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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?
UM1540DA 5V Input, Low Quiescent Current Linear Regulator ACTIVE Ultra Low Quiescent Current LDO 1 Fixed Output 300 1.8 6 1.2 5 Yes No 6/DFN 2.0×2.0 Y
View All>>  Product Description
 
The UM1540DA 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 6V. 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 UM1540DA is available in  DFN6 2.0×2.0 package.

Features
 
- Input Voltage Range: 1.8V to 6V
- 300mA Guaranteed Output Current
- Low Dropout Voltage:
250mV (Typical) at 200mA
- Low Quiescent Current:
1µA@VIN=5V (Typical)
- Low Noise: 500µVRMS (10Hz to 100kHz)
- Available Fixed Output Voltage from 1.2V to 5.0V with 0.1V Step
- With Shutdown Control
- Output Current Limit
- Low Profile  DFN6 2.0×2.0 package
  
Typical Application Circuit
 

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

                
                                         UM1540DA
 
Ordering Information
 

Part Number

Output Voltage

Marking Code

Package

Shipping Qty

UM1540DA-12

1.2V

AA4

DFN6 2.0×2.0

3000pcs/7Inch

Tape & Reel

UM1540DA-13

1.3V

AG2

UM1540DA-15

1.5V

AG3

UM1540DA-18

1.8V

AG4

UM1540DA-25

2.5V

AG5

UM1540DA-27

2.7V

AG6

UM1540DA-28

2.8V

AG7

UM1540DA-30

3.0V

AG8

UM1540DA-33

3.3V

AG9

UM1540DA-35

3.5V

AGA

UM1540DA-36

3.6V

AGB

UM1540DA-38

3.8V

AGC

UM1540DA-40

4.0V

AGD

UM1540DA-42

4.2V

AGE

UM1540DA-43

4.3V

AGF

UM1540DA-45

4.5V

AGG

UM1540DA-47

4.7V

AGH

UM1540DA-48

4.8V

AGJ

UM1540DA-50

5.0V

AGK

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