AP139-15WG-7
Diodes IncorporatedUnited States

AP139-15WG-7

Last Time BuyVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSOT25

IC REG LINEAR 1.5V 300MA SOT25

AP139-15WG-7 is a 1.5V, 300mA low-noise CMOS LDO regulator in SOT25 package, featuring low quiescent current, low dropout, thermal shutdown, and current limiting, RoHS and Halogen free compliant.Checked against the datasheet

See alternativesAsk AI FAEDatasheet PDF

All alternatives

View full report

5 alternatives on file. Sign in to view them.

Technical parameters

Key specs

Output voltage1.5 V
Output current300 mAMax
Input voltage2.7 ~ 5.5 V
Quiescent current45 µATyp · Max 60 μA (at IO=0mA)

Datasheet-verified parameters

27 items
ParameterValue and test conditionsSource
Output Voltage1.5V (Nominal, derived from part number AP139-15WG-7 and ordering info table)
Output CurrentMax 300 mA (Recommended Operating Conditions); Typ 300 mA (Electrical Characteristics)
Input Voltage RangeMin 2.7 V, Max 5.5 V (Recommended Operating Conditions)
Dropout VoltageMax 0.45 V (at IO=1mA to 300mA, VOUT=VO(NOM)-1.5%, VO≥2.8V)
Quiescent CurrentTyp 45 μA, Max 60 μA (at IO=0mA)
PackageSOT25
Operating Ambient TemperatureMin -40 °C, Max +85 °C (Recommended Operating Conditions)
GradeNRND (Not Recommended for New Design)
RoHSCompliant (RoHS 2 & 3)
Halogen FreeYes (Halogen and Antimony Free, 'Green' Device)
Absolute Maximum Input VoltageMax +6 V
Maximum Junction TemperatureMax +150 °C
Internal Power DissipationMax 250 mW
Output Voltage AccuracyMin -2 %, Max +2 % (at IO=1mA, VIN=5V)
Output Voltage Temperature CoefficientTyp 50 ppm/°C
Current LimitMin 300 mA, Typ 450 mA (at VOUT>1.05V)
Short-Circuit CurrentTyp 150 mA, Max 300 mA (at VCC=5V, VOUT<1.05V)
Line RegulationTyp 0.1 %, Max 0.3 % (at IOUT=1mA, VIN=(VOUT+1V) to 5.5V)
Load RegulationTyp 0.3 %, Max 1 % (at IO=1mA to 300mA, VIN=5V)
Power Supply Rejection RatioTyp 60 dB (at f=1kHz, IO=100mA, CO=2.2μF ceramic)
EN Input Threshold (High)Min 1.7 V (Output ON)
EN Input Threshold (Low)Max 0.8 V (Output OFF)
Overtemperature ShutdownTyp +130 °C
Overtemperature HysteresisTyp +20 °C
Thermal Resistance (Junction to Ambient)Typ 226 °C/W (SOT25)
Thermal Resistance (Junction to Case)Typ 34 °C/W (SOT25)
Standby CurrentTyp 2.0 μA, Max 3.0 μA (at VIN=5.0V, VOUT=0V, VEN<VEL)
All parameters (21)ExpandCollapse
Power
Current - Output300mA
Current - Quiescent (Iq)60 µA
Voltage Dropout (Max)-
Voltage - Input (Max)5.5V
Voltage - Output (Max)-
Voltage - Output (Min/Fixed)1.5V
AC and DC characteristics
PSRR75dB ~ 30dB (1KHz ~ 100KHz)
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 85°C (TA)
PackageTape & Reel (TR)
Package / CaseSC-74A, SOT-753
Supplier Device PackageSOT-25
Other
Base Product NumberAP139
Control FeaturesEnable
MfrDiodes Incorporated
Number of Regulators1
Output ConfigurationPositive
Output TypeFixed
Product StatusLast Time Buy
Protection FeaturesOver Current, Over Temperature, Short Circuit
Series-

Pinout and package

（Top View）
（Top View）
Package: SOT25
PinNameFunctionSource
1VIN(Power Supply)
2GND(Ground)
3EN(Enable Pin)
4BYP(Bypass Signal Pin)
5VOUT(Output)

Documents

DatasheetDatasheet · 195.1 KB · 2026-11-09DatasheetDatasheet · 607.5 KB · 2026-09-21DatasheetDatasheet · 193.4 KB · 2026-09-21
Open document center

Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.