Combo IC  
Shunt Reference Regulator+Op+Comp (Combo IC)
Part No. Features VCC(Range)
(V)
VREF for CV
(V)
VREF for CC
(mV)
Bandwidth Package
UM601A Voltage and Current Controller
(Vref+1  Op+2  for Charger)

* 1.24V Series Voltage Reference with 10mA Output Current and 1% Precision (UM601A)
* Two Operational Amplifiers with ORed Output and 1MHz Gain Bandwidth Product
* Built-In Current Generator with Enable / Disable Function
* 4.5 ~ 32V Supply Voltage Range
4.5V ~ 32.0V 1.24V - 1.0MHz DIP-8 SOP-8
UM602A Dual  Operational Amplifier-Dual  Comparator and Adjustable
Voltage Reference  (Vref+1  Op+2  Comp+2  for Charger)

OPERATIONAL AMPLIFIERS
*Low supply current: 200μA/amp.
*Medium speed: 2.1MHz
*Low level output voltage close to VCC
-:0.1V typ.
*Input common mode voltage range includes ground
COMPARATORS
*Low supply current: 200μA/amp. (VCC=5V)
*Input common mode voltage range includes ground
*Low output saturation voltage: 250mV(IO=4mA)
REFERENCE
* Adjustable output voltage: VREF to 32V
* Reference voltage tolerance
UM602A-1: ±0.4%
UM602A-2: ±1%
* Sink current capability: 1~100mA
3.0V ~ 32.0V 2.5V - 2.1MHz DIP-16 SOP-16
UM603A Dual Operational Amplifier and Current  Controller
(Vref+1  Op+2  for Charger)

OPERATIONAL AMPLIFIER
*Low input offset voltage: 0.5mV typ. for UTC UM603A
*Low supply current: 350uA/op.(@ VCC= 5 V)
*Medium bandwidth(unity gain): 0.9MHz
*Large output voltage swing: 0 V ~ (VCC-1.5 V)
*Input common mode voltage range includes ground
*Wide power supply range: 3V ~ 32V ±1.5 ~ ±16V
VOLTAGE REFERENCE
*Fixed output voltage reference 2.5V
* Reference voltage tolerance
UM603A-1: ±0.4%
UM603A-2: ±1%
*Sink current capability : 1 ~ 100mA
*Typical output impedance : 0.2Ω
3.0V ~ 32.0V 2.5V - 0.9MHz SOP-8 TSSOP-8
UM604A Quad Operational Amplifier and Programmable
Voltage Reference (Vref+1  OP+4 Comp for Charger)

OPERATIONAL AMPLIFIER
* Low supply current : 375μA/op. (@ VCC= 5 V)
* Low input bias current : 20nA
* Medium speed : 0.9MHz
* Low input offset voltage : 0.5mV typ for UM604
* Wide power supply range: ±1.5 ~ ±15V
VOLTAGE REFERENCE
* Adjustable output voltage : VREF to 36V
* Reference voltage tolerance
UM604A-1: ±0.4%
UM604A-2: ±1%
* Sink current capability : 1 ~ 100mA
* Typical output impedance : 0.2Ω
±1.5V~±15.0V 2.5V - 0.9MHz DIP-16 SOP-16
UM605A/B Dual Operational Amplifier and Current  Controller
Shunt Regulator (A=2.5V  B=1.25V)

* Internal accurate 2.5V / 1.25V VREF
* Reduced external components
4.0V ~ 20.0V 2.5V 150mV - SOT-25
UM606 Dual Operational Amplifier and 1.21V Voltage Reference with ±1% for
CC and CV Controlling

*Constant Voltage and Constant Current Control
*Precision Internal Voltage Reference
*Few External Components
*Easy Compensation
2.5V~18.0V 1.21V 200mV - SOT-26
UM606D* Dual Operational Amplifier and 1.21V Voltage Reference with ±1% for
CC and CV Controlling
2.5V~18.0V 1.21V 70mV - SOT-26
UM607 Dual Operational Amplifier and Shunt Regulator
CC and CV Control for Battery Charger & Adaptor

* Constant Voltage Control (CV) and Constant Current Control (CC)
* Input voltage ranging from 2.2V to 14V
* 40mA photo coupler drive current typically
* 1mA maximum operating current
* Internal Precision Voltage Reference : 1.240V ± 1%
* Easy compensation and low external component count.
2.2V ~ 14.0V 1.24V 150mV - SOT-26
UM607B* Dual Operational Amplifier and Shunt Regulator
CC and CV Control for Battery Charger & Adaptor 
2.2V ~ 14.0V 1.24V 150mV - SOT-26
UM607D* Dual Operational Amplifier and Shunt Regulator
CC and CV Control for Battery Charger & Adaptor 
2.2V ~ 14.0V 1.24V 70mV - SOT-26
UM608 Dual Operational Amplifier and Shunt Regulator
CC and CV Control for Battery Charger & Adaptor

* Constant Voltage and Constant Current Control
* Precision Internal Voltage Reference
* Few External Components
* Easy Compensation
* Charge status output for LED
* build-in overvoltage protection for battery
5.0V ~ 32.0V 1.25V 190mV - SSOP-10 MSOP-10
UM609* Dual Operational Amplifier and Voltage Reference
(Vref+1  Op+2  for Charger)
3.0V ~ 36.0V 2.5V - 1.0MHz SOP-8 TSSOP-8
UM609A Dual Operational Amplifier and Voltage Reference
(Vref+1  Op+2  for Charger)

* Low supply current: 75uA/Per OP AMP.(@ VCC=5V)
* Medium bandwidth(unity gain): 1MHz
* Large output voltage swing: 0V ~ (VCC-1.5V)
* Wide power supply range: 3V~36V
VOLTAGE REFERENCE
* Fixed output voltage reference 2.5V
* Reference voltage tolerance
UM609A-1: ±0.4%
UM609A-2: ±1%
* Sink current capability: 0.05~80mA
* Typical output impedance: 0.2Ω
3.0V ~ 36.0V 2.5V - 1.0MHz SOP-8 MSOP-8
UM21125 Single Operational Amplifier and Vref

* Single-Supply Operation
* Low Operating Voltage: ±2.7V~20V
* Low Operating Current: 1.3mA (Typ.)
2.7V ~ 20.0V - - - SOT-25
UM610 *constant voltage and constant current control
* Low supply current: 190uA
* operating power supply range: 3.5V~36V
* precision internal voltage reference 2.5V
* low current sense threshold:30mV/50mV
* easy compensation
* low external component count
3.5V ~ 36.0V 2.5V 50mV - SOT-26
*: Under  Development