LED Lighting Driver    
1. LED Lighting Driver Controller  
Part No. Features VIN(Range)(V) VFB(Typ) Idrive(mA) Efficiency Switching Freq. Package
ULD3380 High Efficiency PWM Buck LED Driver Controller

* Universal input voltage range with off-line topology
* Programmable constant LED current
* Output LED string short protection
* Output LED string open protection
* Dimmable LED current by ACTL
* OCP
* Built-in OTP
7.5V~40.0V 160mV
(Current Sense)
- up to 85% 47KHz(Typ) SOT-26
UL51A HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER

* No transformer and high voltage electrolysis capacitor
* Integrated high voltage startup power supply circuit
* Adjustable output current, max 60mA
* Inter-chip current deviation < ±5%
* Efficiency: >90%
* Power factor: >0.95
* THD<20%
* Over temperature protection
* Application system no EMI problems
- 900mV 60mA up to 90% - HSOP-8
ULD0691 HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER

* No transformer and high voltage electrolysis capacitor
* Integrated high voltage startup power supply circuit
* Adjustable output current, max 60mA
* Inter-chip current deviation < ±5%
* Efficiency: >90%
* Power factor: >0.95
* THD<20%
* Over temperature protection
* Application system no EMI problems
- 900mV 60mA up to 90% - HSOP-8
ULF0291 6 SEGMENTS LINEAR LED DRIVER

6-segments
Little flash
Low static current consumption
AC 220V~260V - 18mA - - HSOP-8
L5030 Boost-Up Voltage Converter for LED Driver

* Inductor based converter brings up to 92% efficiency
* +0.8V to +6.0V input voltage range
* 0.92V guaranteed start up input voltage
* Boost up control using PFM
* Constant output current regulation
0.8V~8.0V 19mV 3.6mA up to 92% 350KHz(Max)  SOT-25 
L5107 Constant Current Boost Controller for Driving High Power LEDs

* Input voltage range: 6V~45V
* Feedback voltage: 0.25V±3%
* Maximum out power of 70W
* Programmable switching frequency and LED drive current
* Ultra low EMI via dithering on the UTC L5107
* Single pin for PWM dimming
* Protection circuit:
Over voltage protection circuit
Over temperature protection circuit
Under-voltage Lock-out circuit
* Accurate over the -40~125°C temperature range
6.0V~45.0V 250mV - - 400KHz(Typ) TSSOP-16
ULC6001 Constant Current Boost Controller for Driving High Power LEDs

* Large Input voltage range: 5V~400V
* Programmable LED drive current
* Programmable switching frequency: 500KHz~2.5MHz
* Single pin for PWM dimming
* Accurate over the -40~125°C temperature range
3.0V~6.5V 260mV 1mA - 500KHz~2.5MHz SOP-8
UPSL101 PSR Single Stage High PFC LED Driver

* Primary-side control with single stage PFC topology
* Transition mode (TM) operation to achieve high efficiency
* Minimized BOM count
* Cycle-by-cycle current limiting (OCP)
* Selectable threshold of OCP
* High current accuracy
* VCC over voltage protection
* Analog multiplier for power factor correction
* Over-temperature protection
* Output over voltage protection
* LED open circuit protection
* LED short circuit protection
* Soft-start
* Ultra-low start-up current
* VCC under voltage lockout (UVLO)
11.0V~25.0V 400mV
(Current Sense)
- up to 85% - SOP-8
UPSL102 PSR Single Stage LED Driver

* Primary-side sensing and regulation without TL431 and
opto-coupler
* High precision constant current regulation at universal AC input
* Low system cost and high efficiency
* Built-in primary winding inductance compensation
* Programmable CC regulation
* Drivability for BJT switch
* Short circuit protection
* Ultra low start-up current (Typ. 1μA)
* Open loop protection
* Built-in leading edge blanking (LEB)
* Cycle-by-cycle current limiting
* VDD under voltage lockout with hysteresis
* VDD over voltage protection
30.0V - 50mA up to 85% - SOT-25 
UPSL103 HIGH POWER FACTOR & ACCURACY CONSTANT CURRENT LED DRIVER

* High power factor by one cycle control
* Accuracy and programmable constant current
* Low BOM cost
* Dimmable LED current by DIM
* Average current / fixed frequency control
* Gate output voltage clamp
* LED Open Protection
* LED Short Protection
* Over Current Protection
* Built-in thermal protection
30.0V 200mV 3mA - 45KHz(Typ) SOT-26
UPSL104 HIGH PRECISION OFF-LINE LED CONTROLLER

* High Precise Constant Current Regulation at Universal AC input
* Primary-side Sensing and Regulation Without TL431 and
Opto-coupler
* Programmable CC Regulation
* Adjustable Constant Current and Output Power Setting
* Built-in Secondary Constant Current Control with Primary Side
Feedback
* Built-in Adaptive Current Peak Regulation
* Built-in Primary winding inductance compensation
* Power on Soft-start
* Built-in Leading Edge Blanking (LEB)
* Cycle-by-Cycle Current Limiting
* VDD Under Voltage Lockout with Hysteresis
(UVLO)
* VDD OVP
* VDD Clamp
29.0V 800mV
(Current Sense)
3mA - 60KHz(Typ) SOT-26
UPSL304 HIGH POWER FACTOR & ACCURACY CONSTANT CURRENT LED DRIVER

* Transition Mode Fixed On-Time PFC Control
* Accuracy Constant Current
* Low BOM Cost
* Inductor Size Reduction
* Frequency Range Adjusted by The CT Pin
* LED Protection: SCP, OLP, OVP
* SOT-26 Package
* Compatible Inductance Ballast
* Incompatible Electronic Ballast
30.0V 200mV 3.2mA - - SOT-26
UPSL1630* PSR Single Stage High PFC AC-DC LED Driver 7.2V~18.0V 400mV
(Current Sense)
200mA up to 85% - SOP-8
UCL2300* PSR Single Stage High PFC LED Driver 11.5V~17.5V 300mV
(Current Sense)
- up to 85% - SOP-8
UCL2310 PSR SINGLE-STAGE APFC OFFLINE LED CONTROLLER

* Single-Stage Active PFC for High Power Factor and
Low THD
* Primary Side Control Constant Current Operation, No
Opto-Coupler required
* ±3% LED Current Accuracy
* Excellent Line and Load Regulation
* Critical Conduction Mode Operation
* Ultra-Low (33uA) Startup Current
* High Resistance Feedback Resistor for Improved
Efficiency
* LED Open and Short Circuit Protection
* CS Resistor Open Circuit Protection
* Cycle-by-Cycle Current Limit
* VCC Over-voltage and Under-voltage Protection
* Auto Fault Recovery
* Thermal Regulation Function
-0.3V~25.0V 200mV 200mA - - SOP-8
UCL5811 PSR & PFC LED DRIVER CONTROLLER

* Single stage PFC
* Primary side regulation without Secondary Feedback
* Quasi Resonance (QR) mode with Fly-back topology
* Real-Current control to meet accurate output current
* Very less components
* Programmable input AC compensation
* Leading Edge Blanking on CS/FB pin
* Building in hysteresis OTP
* VDD over voltage protection
* Cycle by cycle current limiting on CS pin
* Secondary peak current protection on CS pin
* Output short to GND protection
* Output programmable over voltage protection
* FB and CS pins default protection
28.0V 200mV 1mA - 130KHz(Max)  SOP-8
USL1602 CONSTANT CURRENT CONTROLLER FOR NON-ISOLATED BUCK LED DRIVER

* Inductor current critical mode, No need to compensate the
inductance variation
* 600V MOSFET integrated
* Source driver structure, Not need the auxiliary winding for VCC
* ±3% LED current accuracy
* Up to 93% system efficiency
* LED short circuit protection
* Current sense resistor short circuit protection
* Over temperature protection
7.5V~18.0V 400mV
(Current Sense)
135mA up to 93% - DIP-8
USL1650 HIGH EFFICIENCY PWM BUCK LED DRIVER CONTROLLER

* Universal input voltage range with off-line topology
* Programmable constant LED current
* Output LED string short protection
* Output LED string open protection
* Dimmable LED current by ACTL
* OCP
* Built-in OTP
17.0V~32.0V 1250mV 0.3mA - 47KHz(Typ) SOP-8
USL2502 * High precision constant current regulation at universal
AC input
* Support system application with PF>0.7 and no flicking
* Sense and supply without auxiliary winding inductance
* Low system cost and high efficiency
* Low operation current
* Programmable CC regulation
* Transition mode operation
* LED string short circuit protection
* Cycle-by-Cycle current limiting
* Built-in Leading Edge Blanking (LEB)
* VDD Under Voltage Lockout with Hysteresis
* Over temperature protection (OTP)
8V ~ 10.5 V 500mV - - - SOP-8 DIP-8
USL3531 NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 500V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
16.8V 500mV 5mA - - SOP-8
USL3531K NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 500V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
16.8V 400mV
(Current Sense)
5mA - - SOP-8
USL3532K NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 500V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
16.8V 400mV
(Current Sense)
5mA - - SOP-8
USL3533 NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 500V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
17V 400mV
(Current Sense)
5mA - - SOP-8 DIP-8
USL3533K NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 500V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
16.8V 400mV
(Current Sense)
5mA - - SOP-8
USL3631 NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 600V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
16.8V 500mV 5mA - - SOP-8
USL3633 NON-ISOLATED BUCK OFFLINE LED DRIVER

* Critical conduction mode operation
* Internal 600V Power MOSFET
* Ultra low operating current
* No auxiliary winding
* ±5% LED output current accuracy
* LED short protection
* LED open protection
* VCC under voltage protection
* Current sensing resistor short protection
* Thermal regulation function
16.8V 500mV 5mA - - SOP-8
UL51A HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER

* No transformer and high voltage electrolysis capacitor
* Integrated high voltage startup power supply circuit
* Adjustable output current, max 100mA
* Inter-chip current deviation < ±5%
* Efficiency: >90%
* Power factor: >0.95
* THD<20%
* Over temperature protection
* Application system no EMI problems
- 900mV 100mA up to 90% - HSOP-8
UL52A HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER

* No transformer and high voltage electrolysis capacitor
* Integrated high voltage startup power supply circuit
* Adjustable output current, max 60mA
* Inter-chip current deviation < ±5%
* Efficiency: >90%
* Power factor: >0.95
* THD<20%
* Over temperature protection
* Application system no EMI problems
- 900mV 60mA up to 90% - HSOP-8
UL52B * No transformer and high voltage electrolysis capacitor
* Integrated high voltage startup power supply circuit
* Inter-chip current deviation < ±5%
* Power factor: >0.95
* THD<20%
* with OTP
* Application system no EMI problems
- 900mV 60mA up to 90% - HSOP-8
UL62 HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER

* 5mA ~ 60mA Output Current
* Up to ± 4% Constant Current Accuracy
* Built-in 700V Power MOSFET
* No EMC Problem
* Temperature Compensate
* Thermal Shutdown
- 1000mV 60mA - - TO-252
UL66C HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER

* 5mA ~ 60mA Output Current
* Up to ± 4% Constant Current Accuracy
* No EMC Problem
* Temperature Compensate
* Thermal Shutdown
- 600mV 60mA - - TO-252 SOT-89 SOT-223
UL67C ADAPTIVE CONDUCTION LINEAR DRIVER

* 5mA ~ 60mA Output Current
* Up to ± 4% Constant Current Accuracy
* Built-in Power MOSFET
* No EMC Problem
* Temperature Compensate
* Thermal Shutdown
- 600mV 60mA - - HSOP-8
UL68B * 5mA ~ 60mA Output Current
* Up to ± 3% Constant Current Accuracy
* No EMC Problem
* Temperature Compensate
* Thermal Shutdown
- 500mV 60mA - - TO-252 SOT-89 SOT-223
UL69B HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER

* 5mA ~ 60mA Output Current
* Up to ± 3% Constant Current Accuracy
* Built-in Power MOSFET
* No EMC Problem
* Temperature Compensate
* Thermal Shutdown
- 500mV 60mA - - HSOP-8
UL75 ADAPTIVE CONDUCTION LINEAR DRIVER

* Adaptive Conduction.
* Wide Range, Programmable LED Voltage
* Output LED Current available from 50mA to 100mA
* Can be Paralleled for Higher Current
* 5V to 500V Supply Voltage Range
* High Efficiency
* Stable LED Brightness
* Over Temperature Protection
* Patent Pending Drive Architecture
* Low THD
- 600mV 100mA - - HSOP-8
UL82A NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC

* The integrated 500V power mos.
* The integrated high voltage power supply function.
* The inductor current critical continuous mode.
* Without auxiliary winding detection and power supply.
* The wide voltage input voltage.
* ±5% LED output current accuracy.
* The LED short circuit and open circuit protection.
* The chip power supply under voltage protection.
* The regulating function of overheating
- 600mV
(Current Sense)
200mA up to 88% - SOT-23-3 SOT-23 SOT-89 HSOP-8 TO-92
UL82B NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC

* The integrated 500V power mos.
* The integrated high voltage power supply function.
* The inductor current critical continuous mode.
* Without auxiliary winding detection and power supply.
* The wide voltage input voltage.
* ±5% LED output current accuracy.
* The LED short circuit and open circuit protection.
* The chip power supply under voltage protection.
* The regulating function of overheating
7.0V~8.0V 600mV
(Current Sense)
200mA up to 88% - SOT-23-3 SOT-23 SOT-89 HSOP-8 TO-92
UL82C NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC

* The integrated 500V power mos.
* The integrated high voltage power supply function.
* The inductor current critical continuous mode.
* Without auxiliary winding detection and power supply.
* The wide voltage input voltage.
* ±5% LED output current accuracy.
* The LED short circuit and open circuit protection.
* The chip power supply under voltage protection.
* The regulating function of overheating
7.0V~8.0V 600mV
(Current Sense)
200mA up to 88% - SOT-23-3 SOT-23 SOT-89 HSOP-8 TO-92
UL96A NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC 6.0V~7.2V 600mV
(Current Sense)
2mA up to 88% - SOP-8
UL98A * The integrated 500V power mos.
* The integrated high voltage power supply function.
* The inductor current critical continuous mode.
* Without auxiliary winding detection and power supply.
* The wide voltage input voltage.
* ±5% LED output current accuracy.
* The LED short circuit and open circuit protection.
* The chip power supply under voltage protection.
* The regulating function of overheating
6.0V~7.2V 600mV
(Current Sense)
2mA up to 88% - SOT-23
UL98B * The integrated 500V power mos.
* The integrated high voltage power supply function.
* The inductor current critical continuous mode.
* Without auxiliary winding detection and power supply.
* The wide voltage input voltage.
* ±5% LED output current accuracy.
* The LED short circuit and open circuit protection.
* The chip power supply under voltage protection.
* The regulating function of overheating
6.0V~7.2V 600mV
(Current Sense)
2mA up to 88% - SOT-23
UL98C * The integrated 500V power mos.
* The integrated high voltage power supply function.
* The inductor current critical continuous mode.
* Without auxiliary winding detection and power supply.
* The wide voltage input voltage.
* ±5% LED output current accuracy.
* The LED short circuit and open circuit protection.
* The chip power supply under voltage protection.
* The regulating function of overheating
6.0V~7.2V 600mV
(Current Sense)
2mA up to 88% - SOT-23
UC4107 TWO-STAGE HYSTERETIC LED DRIVER CONTROLLER

* Topology: Boost+Buck
* Input Voltage Range: 4.5V~40V
* Adjustable Peak Input Current Control
* Adjustable Boost Output Voltage
* Independent Dual Stage Function
* Adjustable LED Current
* LED Current Accuracy: ±5%
* Input Under Voltage Lockout Detection
* Thermal Shutdown Protection
4.5V~40.0V 240mV - - - SOP-8 HSOP-8
UL1030 3 CHANNEL CONSTANT-CURRENT DRIVER AND GREY-LEVEL MODULATE OUTPUT

* 3 channel driver output, maxim current per channel is 45mA,
LED light voltage can reach 12V
* Output adopt In-Rush online feedback constant-current driver
structure, compatible with constant-voltage module, it also can
contact outside equipment and transfer to higher voltage or
current output driver
* Built-in LDO voltage-stabilizing circuit, voltage range : 3~8V,
and have 5V stabilizing voltage output
* Adopt self-add token ring technology dual shift line, shift clock
can reach 25MHz
* Directly input grey-level data, it is transfer to 256 output with
reverse-gamma regulator after inside SUPER-PWM technology,
e. g, adopt built-in oscillator as grey-level clock, it support
FREE-RUN module output, especially can be used in low-cost
controller
* Data clock signal is drived strongly to next chip to enhance level
after built-in phase-lock circuit
* High-voltage CMOS technology, industrial design, with
extra-good interference immunity
3.0V~8.0V - 45mA - - SOP-16
*: Under  Development
2. LED Lighting Driver Switch    
Part No. Features VIN(Range)(V) VFB(Typ) Iout/POUT Efficiency Switching Freq. Package
L3010 1A High Power LED Driver with 4.5~40V Input

* 4.5~40V input voltage range
* Maximum 1A output current
* 0.25Ω built-in power MOSFET
* 280kHz fixed frequency
* Excellent constant current accuracy ±1%
* High efficiency up to 96%
* Thermal shutdown
* Cycle-by-cycle over current protection
4.5V~40.0V Vin-Vsense
88mV
Ilimit
2.1A(Typ)
up to 96% 280KHz(Typ) SOP-8
L3012 1A High Power LED Driver with 4.5~40V Input
with ADJ & PWM Dimming Function

* 4.5~40V input voltage range
* Maximum 1A output current
* 0.15Ω built-in power MOSFET
* 280kHz fixed frequency
* Excellent constant current accuracy ±1%
* Thermal shutdown
* Cycle-by-cycle over current protection
* PWM dimming function
6.0V~36.0V Vin-Vsense
100mV
Ilimit
2.0A(Typ)
up to 96% 280KHz(Typ) SOP-8
L3060 30V/500mA HIGH DIMMING RATIO LED CONSTANT CURRENT DRIVER

* 5V~30V input voltage range
* Simple low parts count
* Typical ±3% output current accuracy
* Up to 500mA output current
* Single DIM pin on/off and brightness control using DC voltage or
PWM signal
* High efficiency up to 97%
* Adjustable constant LED current
* Protection features:
LED open-circuit protection
LED short-circuit protection
Internal thermal shutdown protection.
5.0V~30.0V Vsense
100mV
Ilimit
0.5A(Max)
up to 97% 1MHz(Max) SOT-25
L3080 30V/800mA INTEGRATED POWER LED DRIVER

* Up to 800mA output current
* High efficiency (up to 97%)
* Wide input voltage range: 5V~30V
* Typical ±5% output current accuracy
* Single DIM pin on/off and brightness control using DC voltage or
PWM signal
* LED open-circuit protection
* LED short-circuit protection
* Internal thermal shutdown protection.
* Adjustable Constant LED Current
5.0V~30.0V Vsense
100mV
Ilimit
0.8A(Max)
up to 97% 1MHz(Max) SOT-89-5
L5100 Step-Up Converter for Drive up to Series 6 White LEDs

* Inherently Matched LED Current
* High Efficiency: 83% Typical
* Drives Up to Four LEDs from a 3.2V Supply
* Drives Up to Six LEDs from a 5V Supply
* 36V Rugged Bipolar Switch
* 1.2MHz Switching Frequency
* Uses Tiny 1mm Tall Inductors
* Output Capacitor can be Small to only 0.22μ F
2.5V~12.0V 95mV 320mA 83%(Typ) 1.2MHz(Typ) SOT-25
L5101 Step-Up Converter for Drive Up to Series 5 White LEDs

* Open Circuit and Over Voltage Protection
* High Efficiency: 86% Typical
* Switching Frequency: 1.2MHz
* Supply Current is 1.0mA
* Matches LED Current
* Requires Tiny Inductor and Capacitors
* Halogen Free
2.5V~5.5V 95mV 20mA 86%(Typ) 1.2MHz(Typ) SOT-26
L5102* Compact Backlight LED Boost Driver  2.7V~5.5V 200mV 50mA up to 90%  - SOT-25
L5103* High Efficiency White LED Boost Driver 2.7V~25.0V 400mV 400mA 90%  - MSOP-10
L5105* 3W High Efficiency White LED Driver 2.5V~18.0V 200mV 700mA Up to 94% 500KHz(Typ) SOP-8/HSOP-8
L5106* 1.5A Constant Current Switching Regulator for LEDs
with ON/OFF  Function
3.0V~40.0V 235mV 1.5A - 150KHz(Typ) DIP-8 SOP-8
L5200 Low Noise, Regulated Charge Pump DC-DC Converter

* Low Noise Constant Frequency Operation
* Output Current: 100mA
* 2MHz Switching Frequency
* 4.5V/5.0V Fixed Output Voltage
* VIN Range: 2.7V ~ VOUT
* Automatic Soft-Start.
* No Inductors
* Less than 1μA of Shutdown Current
2.7V~Vout 1.268V 150mA 80%(Typ) 0.7MHz(Min) MSOP-8 SOT-26 TSOT-26
L6100* Flash Light LED Driver 2.7V~6.0V  - 120mA Up to 90%  - SOP-8 MSOP-8
UC3501 High Efficient  Low Cost Flashlight LED Driver

* High efficiency:85%~90%
* Low cost
* Simply add-ins one inductor
0.9V~5.0V - 100mA 80%(Min) 100KHz(Typ) TO-92
LC3030* 400KHz 42V Boost 2~12 Series 1~3W LED Units Constant Current Driver 3.6V~36.0V 230mV 2.0A 90%(Typ) 400KHz(Typ) SOP-8
LD4040* 4.0A 300KHz, 32V Buck DC/DC Converter with Constant Current Loop 3.6V~32.0V 0.8V 4.0A 90%(Typ) 300KHz(Typ) TO-252-5
UPSS3601* High Precision PSR Constant Current AC DC LED Driver 7.5V~14.5V 1.3V 5W up to 80% - SOP-8
UL13A PRIMARY SIDE CONTROL CONSTANT CURRENT POWER SWITCH

*Primary-side Control No Opto -Coupler And TL431 Needed
*Application Voltage Range:90Vac~264Vac
*Internal Integration 730V Power MOSFET
*Accurate Constant-Current(CC) Control , Output Current in ±5%
*Lowest Component Number Needed
* Internal LEB
* Open/Short-LED Protection
*VDD Over-Voltage Protection (OVP)
*VDD Under-Voltage Lockout (UVLO)
6V 620mV
(Current Sense)
- - - SOP-8
L4075 40V LED driver with internal switch

* 6V~40V input voltage range
* Simple low parts count
* Internal 40V power switch
* High efficiency up to 95%
* Typical 5% output current accuracy
* Single pin on/off and brightness control using DC voltage or PWM
* Up to 1MHz switching frequency
* Protection features:
Open-circuit LED Protection
Thermal shutdown Protection
6V~40V - 350mA up to 95% 154KHz(Typ) SOT-25
L4120 40V/1.2A Integated Power LED Driver

* Up to 1.2A output current
* High efficiency (up to 97%)
* Wide input voltage range: 5V~30V
* Typical ±5% output current accuracy
* Single DIM pin on/off and brightness control using DC voltage or
PWM signal
* Internal thermal shutdown protection.
* Adjustable Constant LED Current
6V~40V 115mV 1.2(Typ) up to 97% - SOT-89-5
*: Under  Development
3. LED Display Driver IC  
Part No. Features VIN
Maximum Rating
VOUT
Maximum Rating
Iout(mA) IGND(mA) Input Clock
Frequency
Package
L16B06 16 Bit Constant Current LED Driver

*Indoor/Outdoor LED Video Display
*LED Variable Message Signs (VMS) System
3.3V~5.0V -0.3V~17.0V 70mA 1500mA 25MHz SSOP-24
L16B40 16-BIT CONSTANT CURRENT LED DRIVER WITH BUILT-IN TO ELIMINATE THE GHOSTING

* Built-in to eliminate the ghosting
* Supply voltage range: 3.3V ~ 5.5V
* Constant output current range: 2 ~ 40mA
* Output voltage: 20V (Max.)
* Operating temperature range: -40°C ~ 85°C
* Output current accuracy:
ICs: ±3.0% (Typ.)
3.3V~5.5V -0.3V~20.0V 40mA 1000mA 30MHz SSOP-24
L16B45 16-BIT CONSTANT CURRENT LED SINK DRIVER

* 16 constant-current output channels
* Constant output current invariant to load voltage change
Constant output current range:
3~45mA @ VDD=5V
3~30mA @ VDD=3.3V
* Excellent output current accuracy:
between channels: ±3% (typ.),
between ICs: ±6% (typ.)
* Output current adjusted through an external resistor
* Fast response of output current, OE (min.): 300ns @ VDD=3.3V
* 25MHz clock frequency
* Schmitt trigger input
* 3.3V, 5V supply voltage
3.3V~5.5V -0.5V~17.0V 90mA 1000mA 25MHz SOP-24
L16B45A 16-BIT CONSTANT CURRENT LED SINK DRIVER

* 16 constant-current output channels
* Constant output current invariant to load voltage change
Constant output current range:
3~45mA @ VDD=5V
3~30mA @ VDD=3.3V
* Excellent output current accuracy:
between channels: ±2.5% (max.),
between ICs: ±3.0% (max.)
* Output current adjusted through an external resistor
* Fast response of output current, OE (min.): 70ns @ VDD=3.3V
* 25MHz clock frequency
* Schmitt trigger input
* 3.3V/5V supply voltage
* Halogen Free
3.3V~5.5V -0.5V~17.0V 45mA 720mA 25MHz SSOP-24
L16B45B 16-BIT CONSTANT CURRENT LED SINK DRIVER

* 16 constant-current output channels
* Constant output current invariant to load voltage change:
Constant output current range:
0.6~45mA @ VDD=5V
0.6~35mA @ VDD=3.3V
* Output current adjusted through an external resistor
* Fast response of output current, OE : 20ns @ VDD=3.3V
* Schmitt trigger input
* 3.3V, 5V supply voltage
3.3V~5.0V -0.5V~11.0V 45mA 720mA 35MHz SSOP-24
UD8973 * Integrated ghosting effect elimination
* Greatly improve refresh rate
* Eliminate the caterpillar phenomena caused by LED leakage
current and short circuit
* Short-circuit and over-current protection
0V~6.5V - 3000mA - - SOP-8
*: Under  Development