UM153xx/UM154xx
Ultra Low Quiescent Current Linear Regulator
UM153xxS SOT23-3
UM153xxY SOT89-3
UM154xxS SOT23-5
UM154xxY SOT89-5
UM154xxDA DFN6L 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 or SOT89-3 package.
The UM154xx is available in a low profile SOT23-5, SOT89-5 or DFN6L 2.0×2.0 package.
Applications
Features
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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 or SOT89-3 Package
(UM153xx)
Low Profile SOT23-5, SOT89-5 or DFN6L
2.0×2.0 Package (UM154xx)
________________________________________________________________________
http://www.union-ic.com Rev.08 Sep.2016
1/17
UM153xx/UM154xx
UM153xx Series Pin Configurations & Top View
M: Month Code
UM153xxS
SOT23-3
M: Month Code
UM153xxY
SOT89-3
UM154xx Series Pin Configurations & Top View
M: Month Code
UM154xxS
SOT23-5
XX: Week Code
UM154xxY
SOT89-5
XXX
M
(Top View)
M: Month Code
UM154xxDA
DFN6L 2.0×2.0
________________________________________________________________________
http://www.union-ic.com Rev.08 Sep.2016
2/17
UM153xx/UM154xx
Pin Description
Pin Number
Symbol
Function
UM153xxS
UM153xxY
UM154xxS
UM154xxY
UM154xxDA
3
2
1
4
6
VIN
Power Supply
1
1
2
2
2
GND
Ground
-
-
3
3
5
EN
Enable Input, Active High
-
-
4
1
3, 4
NC
Not Connected
2
3
5
5
1
VOUT
Voltage Regulated Output
Available Voltage Version
Part Number
Output Voltage
Marking Code
UM15313S
1.3V
UC3
UM15315S
1.5V
UC5
UM15318S
1.8V
UC8
UM15325S
2.5V
UD5
UM15327S
2.7V
UD7
UM15328S
2.8V
UD8
UM15330S
3.0V
UDA
UM15333S
3.3V
UG3
UM15335S
3.5V
UG5
UM15336S
3.6V
UG6
UM15338S
3.8V
UG8
UM15340S
4.0V
UGA
UM15342S
4.2V
UI2
UM15343S
4.3V
UI3
UM15345S
4.5V
UI5
UM15347S
4.7V
UI7
UM15348S
4.8V
UI8
UM15350S
5.0V
UIA
Package
Shipping Qty
SOT23-3
3000pcs/7Inch
Tape & Reel
________________________________________________________________________
http://www.union-ic.com Rev.08 Sep.2016
3/17
UM153xx/UM154xx
Available Voltage Version (Continued)
Part Number
Output Voltage
Marking Code
UM15313Y
1.3V
5A3
UM15315Y
1.5V
5C5
UM15318Y
1.8V
5C8
UM15325Y
2.5V
5D5
UM15327Y
2.7V
5D7
UM15328Y
2.8V
5D8
UM15330Y
3.0V
5AA
UM15333Y
3.3V
5G3
UM15335Y
3.5V
5G5
UM15336Y
3.6V
5G6
UM15338Y
3.8V
5G8
UM15340Y
4.0V
5GA
UM15342Y
4.2V
5GC
UM15343Y
4.3V
5GD
UM15345Y
4.5V
5GH
UM15347Y
4.7V
5GM
UM15348Y
4.8V
5GJ
UM15350Y
5.0V
5GN
UM15413S
1.3V
5FB
UM15415S
1.5V
5FC
UM15418S
1.8V
5FD
UM15425S
2.5V
5FE
UM15427S
2.7V
5FF
UM15428S
2.8V
5FH
UM15430S
3.0V
5FL
UM15433S
3.3V
5FM
UM15435S
3.5V
5FJ
UM15436S
3.6V
5FK
UM15438S
3.8V
5FN
UM15440S
4.0V
5FP
UM15442S
4.2V
5FQ
UM15443S
4.3V
5FR
UM15445S
4.5V
5FS
UM15447S
4.7V
5FT
UM15448S
4.8V
5FY
UM15450S
5.0V
5FU
Package
Shipping Qty
SOT89-3
1000pcs/7Inch
Tape & Reel
SOT23-5
3000pcs/7Inch
Tape & Reel
________________________________________________________________________
http://www.union-ic.com Rev.08 Sep.2016
4/17
UM153xx/UM154xx
Available Voltage Version (Continued)
Part Number
Output Voltage
Marking Code
UM15413Y
1.3V
UM15413
UM15415Y
1.5V
UM15415
UM15418Y
1.8V
UM15418
UM15425Y
2.5V
UM15425
UM15427Y
2.7V
UM15427
UM15428Y
2.8V
UM15428
UM15430Y
3.0V
UM15430
UM15433Y
3.3V
UM15433
UM15435Y
3.5V
UM15435
UM15436Y
3.6V
UM15436
UM15438Y
3.8V
UM15438
UM15440Y
4.0V
UM15440
UM15442Y
4.2V
UM15442
UM15443Y
4.3V
UM15443
UM15445Y
4.5V
UM15445
UM15447Y
4.7V
UM15447
UM15448Y
4.8V
UM15448
UM15450Y
5.0V
UM15450
UM15413DA
1.3V
AG2
UM15415DA
1.5V
AG3
UM15418DA
1.8V
AG4
UM15425DA
2.5V
AG5
UM15427DA
2.7V
AG6
UM15428DA
2.8V
AG7
UM15430DA
3.0V
AG8
UM15433DA
3.3V
AG9
UM15435DA
3.5V
AGA
UM15436DA
3.6V
AGB
UM15438DA
3.8V
AGC
UM15440DA
4.0V
AGD
UM15442DA
4.2V
AGE
UM15443DA
4.3V
AGF
UM15445DA
4.5V
AGG
UM15447DA
4.7V
AGH
UM15448DA
4.8V
AGJ
UM15450DA
5.0V
AGK
Package
Shipping Qty
SOT89-5
1000pcs/7Inch
Tape & Reel
DFN6L 2.0×2.0
3000pcs/7Inch
Tape & Reel
________________________________________________________________________
http://www.union-ic.com Rev.08 Sep.2016
5/17
UM153xx/UM154xx
Absolute Maximum Ratings (Note 1)
Symbol
Value
Unit
Supply Voltage on IN Pin
-0.3 to +6.5
V
VOUT
Voltage on OUT Pin
-0.3 to +6.5
V
VEN
Voltage on EN Pin
-0.3 to +6.5
V
Operating Junction Temperature (Note 2, 3)
-40 to +125
°C
Storage Temperature Range
-65 to +150
°C
+300
°C
VIN
TJ
TSTG
TL
Parameter
Lead Temperature for Soldering 10 Seconds
Recommended Operating Conditions (Note 4)
Parameter
Supply Input Voltage
Junction Temperature Range
Value
2.2 V to 5.5V
-40°C to 125°C
Ambient Temperature Range
-40°C to 85°C
Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be
impaired.
Note 2: The device is guaranteed to meet performance specifications from -40°C to +85°C.
Specifications over the -40°C to 125°C operating junction temperature range are
guaranteed by design, characterization and correlation with statistical process controls.
Note 3: This IC includes over temperature protection circuit inside that is intended to protect the
device during momentary overload conditions. Over temperature protection trip point is
around 160°C. Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Note 4: The device is not guaranteed to function outside its operating conditions.
Internal Block Diagram
________________________________________________________________________
http://www.union-ic.com Rev.08 Sep.2016
6/17
UM153xx/UM154xx
Electrical Characteristics
VIN=+5V±10%, CIN=1μF, COUT=1μF, TA=-40°C to +85°C. Typical conditions are at VIN=5V,
TA=25°C.
Symbol
Parameter
VIN
Input Voltage Range
Output Voltage
VOUT
Range
IQ
Quiescent Current
Test Conditions
Min
2.2
Typ
1.3
IOUT=0mA,VIN=5.0V
1.2
Max
5.5
Unit
V
5.0
V
3
μA
ISHDN
Standby Current
VEN=0V
2
μA
IENH
Enable High Current
VEN=5.5V
1
μA
IENL
Enable Low Current
Enable Input High
Voltage
Enable Input Low
Voltage
VEN=0V
1
μA
VIH
VIL
IOUT
ΔVDO
ILIMIT
TSHDN
ΔTSHDN
VIN≥3V
VIN≥3.5V
100
200
Output Voltage
Accuracy
VIN=VOUT+1V (VIN≥3V),
1mA≤IOUT≤30mA
-2.0
Dropout Voltage
VOUT≤2.0V, IOUT=30mA
2.0V
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