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UM1550S
超低静态电流线性稳压器
Datasheet Reliability Report Package Information Order Sample  
Key Specifications
Part Number Description Status SubFamily Regulated Outputs(.) Output Options Iout (Max)(mA) Vin (Min)(V) Vin (Max)(V) Fixed Output Options(V) Vout (Min)(V) Vout (Max)(V) Enable Under Voltage Lockout Pin/Package EV Kit Available?
UM1550S 超低静态电流线性稳压器 ACTIVE Ultra Low Quiescent Current LDO 1 Fixed Output 250 1.8 8 1.2 5 No No 3/SOT23 Y
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Product Description
 
The UM1550/1560 series is a set of high input voltage low quiescent current regulator implemented in CMOS technology. They can deliver 300mA output current and allow an input voltage as high as 8V. They are available with several fixed output voltages ranging from 1.2V to 5.0V. CMOS technology ensures low voltage drop and low quiescent current.
The UM1550 is available in SOT23-3, SOT89-3, DFN6 2.0×2.0 and DFN4 1.0×1.0 packages. The UM1560 is available in SOT23-5, SOT343, DFN6 2.0×2.0 and DFN4 1.0×1.0 packages.
 
Features
 
- Input Voltage Range: 1.8V to 8V
- 300mA Guaranteed Output Current
- Low Dropout Voltage:
  250mV (Typical) at 200mA
- Low Quiescent Current:
  2.5µA@VIN=8V (Typical)
- Low Noise: 115µVRMS (10Hz to 100kHz)
- Available Fixed Output Voltage from 1.2V to 5.0V with 0.1V Step
- With Shutdown Control (UM1560)
- Output Current Limit
- Low Profile SOT23-3, SOT23-5, SOT89-3, SOT343, DFN6 2.0×2.0 and DFN4 1.0×1.0 Packages
 
Typical Application Circuit

 
 
Applications
 
- Communication Equipments
- Audio/Video Equipments
- Portable Games
- Portable AV Equipments
- Battery-Powered Equipments
 
Pin Configurations  
   
   
                            UM1550S          

Naming Information



Ordering Information

Part Number
Output Voltage
Packaging Type
Marking Code
Shipping Qty
UM1550S-12
1.2V
SOT23-3
5B2
3000pcs/7Inch
Tape & Reel
UM1550S-13
1.3V
5B3
UM1550S-14
1.4V
5B4
UM1550S-15
1.5V
5B5
UM1550S-16
1.6V
5B6
UM1550S-17
1.7V
5B7
UM1550S-18
1.8V
5B8
UM1550S-19
1.9V
5B9
UM1550S-20
2.0V
5RF
UM1550S-21
2.1V
5RH
UM1550S-22
2.2V
5RL
UM1550S-23
2.3V
5RM
UM1550S-24
2.4V
5RJ
UM1550S-25
2.5V
5RK
UM1550S-26
2.6V
5RN
UM1550S-27
2.7V
5RP
UM1550S-28
2.8V
5RQ
UM1550S-29
2.9V
5RR
UM1550S-30
3.0V
5RS
UM1550S-31
3.1V
5RT
UM1550S-32
3.2V
5RY
UM1550S-33
3.3V
5RU
UM1550S-34
3.4V
5RZ
UM1550S-35
3.5V
5A5
UM1550S-36
3.6V
5A6
UM1550S-37
3.7V
5A7
UM1550S-38
3.8V
5A8
UM1550S-39
3.9V
5A9
UM1550S-40
4.0V
5AL
UM1550S-41
4.1V
5AM
UM1550S-42
4.2V
5L2
UM1550S-43
4.3V
5L3
UM1550S-44
4.4V
5L4
UM1550S-45
4.5V
5L5
UM1550S-46
4.6V
5L6
UM1550S-47
4.7V
5L7
UM1550S-48
4.8V
5L8
UM1550S-49
4.9V
5L9
UM1550S-50
5.0V
5AY
 
Application Notes
微处理器超长启动周期中的外部看门狗管理方案v2.pdf
利用3.3V供电RS485接口实现远距离数据通信.pdf
高速低电源电压逻辑电平转换电路.pdf
超低功耗LDO线性稳压器.pdf
I2C-BUS电平转换芯片在安防产品的应用.pdf
0201超小封装ESD保护器件.pdf
Analog Switch Permits Port Sharing in Portable Equipment.pdf
Balanced Modulator Demodulator Employing UM4684.pdf
Level Shifter for High Speed and Wide Voltage Range Interface.pdf
Low Resistance Analog Switches Permit Speaker Switching in Audio Devices.pdf
Low-Icct Analog Switches for Ultra-Portable Designs.pdf
Selecting the Right CMOS Analog Switch.pdf
Product Selection Guide
Power Supply Selection Guide.pdf
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