UM15313S_15 Datasheet, PDF (1/19 Pages) Union Semiconductor, Inc. – Ultra Low Quiescent Current Linear Regulator

UM153xx/UM154xx
Ultra Low Quiescent Current Linear Regulator
UM153xxS SOT23-3
UM153xxY SOT89-3
UM153xxDA DFN4 1.8×1.2
UM154xxS SOT23-5
UM154xxY SOT89-5
UM154xxDA DFN6 2.0×2.0
General Description
The UM153xx/UM154xx series are ultra low quiescent current low dropout linear regulators
designed for low power portable applications. The range of output voltage is from 1.3V to 5.0V
while operated from 2.2V to 5.5V input. The EN function of UM154xx can disable the entire
circuit by inputting low level signal.
The UM153xx/UM154xx series offer high output voltage accuracy, excellent transient response,
stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and
output current limiting. The UM153xx is available in a low profile SOT23-3, SOT89-3 or DFN4
1.8×1.2 package. The UM154xx is available in a low profile SOT23-5, SOT89-5 or DFN6
2.0×2.0 package.
Applications
Features
 Battery-Powered Systems
 Reference Voltage Sources
 Portable AV Systems
 Portable Games
 Cellular Phones
 Utility Meters
 Toys
 Maximum Input Voltage: 5.5V
 ±2.0% Voltage Accuracy at 30mA
 Fast Transient Response
 Output Current Limit
 Stable with 1μF Output Capacitor
 Thermal Overload Protection
 Low Profile SOT23-3, SOT89-3 or DFN4
1.8×1.2 Package(UM153xx)
Low Profile SOT23-5, SOT89-5 or DFN6
2.0×2.0 Package(UM154xx)
UM153xx Series Pin Configurations & Top View
GND 1
VOUT 2
3 VIN
3
XXX
1
2
M: Month Code
UM153xxS
SOT23-3
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http://www.union-ic.com Rev.07 Dec.2014
1/19