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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?
UM1430B-xx 18V Input, 100mA Current Limited, Micropower Linear Regulator ACTIVE High Input Voltage LDO 1 Fixed Output 100 3.6 18 2 6 No No 3/SOT89 Y
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Product Description
 
The UM1430/1440 series are high input voltage low quiescent current regulators implemented in CMOS technology. It can accept input voltage as high as 18V with 100mA output current limit. The output voltages are selectable in 100mV step within a range of 2.0V to 6.0V. 100mA output current limiting is built in to provide protection for the regulators against fault conditions. CMOS technology ensures low voltage drop and low quiescent current.
With a chip enable control pin, the UM1440 can turn off the output and greatly reduce the power consumption by setting the enable pin low.
The UM1430 is available in SOT23-3, SOT23-5 and SOT89-3 packages. The UM1440 is available in SOT23-5 and SOT89-5 packages.
 
Features
 
- Input Voltage Range: 3.6V to 18V
- 30mA Guaranteed Output Current
- ±3% Voltage Accuracy at 30mA
- Low Dropout Voltage:
  250mV (Typical) at 30mA
- Low Quiescent Current:
  4.8μA@VIN=18V (Typical)
- Available Fixed Output Voltage from 2.0V to 6.0V with 0.1V Step
- With Enable Control (UM1440S-xx, UM1440Y-xx)
- Output Current Limit
- UM1430: Low Profile SOT23-3, SOT23-5 and SOT89-3 Packages
  UM1440: Low Profile SOT23-5 and SOT89-5 Packages 
  
Typical Application Circuit
 
 
Applications
 
- Communication Equipment
- Audio/Video Equipment 

Pin Configurations  
                

                UM1430B-xx
 
Naming Information


 
Ordering Information

Part Number
Output Voltage
Packaging Type
Marking Code
Shipping Qty
UM1430B-20
2.0V
SOT89-3
(Tab connected to GND)
4HA
1000pcs/7Inch
Tape & Reel
UM1430B-21
2.1V
4HB
UM1430B-22
2.2V
4H2
UM1430B-23
2.3V
4H3
UM1430B-24
2.4V
4H4
UM1430B-25
2.5V
4H5
UM1430B-26
2.6V
4H6
UM1430B-27
2.7V
4H7
UM1430B-28
2.8V
4H8
UM1430B-29
2.9V
4H9
UM1430B-30
3.0V
4HC
UM1430B-31
3.1V
4HD
UM1430B-32
3.2V
4HE
UM1430B-33
3.3V
4HF
UM1430B-34
3.4V
4HH
UM1430B-35
3.5V
4HL
UM1430B-36
3.6V
4HM
UM1430B-37
3.7V
4HJ
UM1430B-38
3.8V
4HK
UM1430B-39
3.9V
4HN
UM1430B-40
4.0V
4HP
UM1430B-41
4.1V
4HQ
UM1430B-42
4.2V
4HR
UM1430B-43
4.3V
4HS
UM1430B-44
4.4V
4HT
UM1430B-45
4.5V
4HY
UM1430B-46
4.6V
4HU
UM1430B-47
4.7V
4HZ
UM1430B-48
4.8V
4JA
UM1430B-49
4.9V
4JB
UM1430B-50
5.0V
4JC
UM1430B-51
5.1V
4JD
UM1430B-52
5.2V
4J2
UM1430B-53
5.3V
4J3
UM1430B-54
5.4V
4J4
UM1430B-55
5.5V
4J5
UM1430B-56
5.6V
4J6
UM1430B-57
5.7V
4J7
UM1430B-58
5.8V
4J8
UM1430B-59
5.9V
4J9
UM1430B-60
6.0V
4JE
 
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