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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?
UM1461S-xx 300mA, Low Consumption, Wide Input Voltage Linear Regulator ACTIVE High Input Voltage LDO 1 Fixed Output 300 0 24 2.5 5 Yes No 5/SOT23
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Product Description
 
The UM1461 series are a group of positive voltage output, high precision and low power consumption voltage regulators. The maximum input voltage is 24V. The output voltages are available in 100mV steps within a range of 2.5V to 5V. It can also be customized on request.
The UM1461 series have very low power consumption (IQ=3.5μA) which can greatly extend battery life.
The UM1461 series are available in low profile SOT23-5 & SOT89-5 packages.
 
Features
 
- Maximum Input Voltage: 24V
- Low Quiescent Current: 3.5μA (Typ.)
- Maximum Output Current: 300mA
- Low Dropout:
  250mV@100mA (VOUT=3.3V)
  500mV@200mA (VOUT=3.3V)
- Low Temperature Coefficient: ±150ppm/°C
- Output Current Limit:
  400mA@ VOUT=3.3V
 
Typical Application Circuit

 
Note 1: Input Capacitor (CIN=1μF) is recommended in all applications.
Note 2: Output Capacitor (COUT=4.7μF/6.8μF) is recommended in all applications to assure the stability of circuit. 1μF Tantalum capacitor or 6.8μF ceramic capacitor is recommended.
 
Applications
 
- Battery-Powered Equipment
- Power Management of MP3, PDA, DSC, Mouse, PS2 Games
- Reference Voltage Source
- Hand-Hold Equipment

Pin Configurations  

                
                       UM1461S-xx
 
Ordering Information
 

 
Marking Information

Part Number
Output Voltage
Packaging Type
Marking Code
Shipping Qty
UM1461S-25
2.5V
SOT23-5
6DC
3000pcs/7Inch
Tape & Reel
UM1461S-26
2.6V
6DD
UM1461S-27
2.7V
6DE
UM1461S-28
2.8V
6DF
UM1461S-29
2.9V
6DH
UM1461S-30
3.0V
6DL
UM1461S-31
3.1V
6DM
UM1461S-32
3.2V
6DJ
UM1461S-33
3.3V
6DK
UM1461S-34
3.4V
6DN
UM1461S-35
3.5V
6DP
UM1461S-36
3.6V
6DQ
UM1461S-37
3.7V
6DR
UM1461S-38
3.8V
6DS
UM1461S-39
3.9V
6DT
UM1461S-40
4.0V
6DY
UM1461S-41
4.1V
6DU
UM1461S-42
4.2V
6DZ
UM1461S-43
4.3V
6GC
UM1461S-44
4.4V
6GD
UM1461S-45
4.5V
6GE
UM1461S-46
4.6V
6GF
UM1461S-47
4.7V
6GH
UM1461S-48
4.8V
6GL
UM1461S-49
4.9V
6GM
UM1461S-50
5.0V
6GJ
 
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