• Description

AP7370-50W5-7 Linear Voltage Regulator IC Positive Fixed 1 Output 300mA SOT-25

The AP7370 series is a positive voltage regulator IC.

The AP7370 has features of wide input voltage range, high accuracy, low dropout voltage, current limit, reverse current protection, and ultra-low quiescent current which make it ideal for use in various USB and portable devices and instrument application.

The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit.

The AP7370 is available in 1.2V, 1.5V, 1.8V, 2.8V, 3.0V, 3.3V, 3.6V and 5.0V fixed output voltage versions.

The AP7370 is available in space-saving SOT23, SOT25, SOT89 and U-DFN2020-6 (Type C) packages.



 Wide Input Voltage Range: Up to 18V

 Low Dropout Voltage: VDROP = 500mV @ IOUT = 100mA

 Low Ground Current

 High Output Voltage Accuracy

 Compatible with Low ESR Ceramic Capacitor

 Excellent Line/Load Regulation

 Thermal Shutdown Function

 Short Current Protection

 Reverse Current Protection

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)



 Battery-Powered Equipment

 Laptop, Palmtops, Notebook Computers

 Portable Information Appliances

 Metering

 Weighing Scales


Typical Applications Circuit


specification of AP7370-50W5-7


Integrated Circuits (ICs)
Power Management (PMIC)
Voltage Regulators - Linear


Diodes Incorporated

Product Status


Output Configuration


Output Type


Number of Regulators


Voltage - Input (Max)


Voltage - Output (Min/Fixed)


Voltage Dropout (Max)

0.55V @ 100mA

Current - Output


Current - Quiescent (Iq)

2.5 µA

Current - Supply (Max)

300 µA

Protection Features

Over Current, Over Temperature, Reverse Current, Short Circuit

Operating Temperature

-40°C ~ 125°C (TJ)

Mounting Type

Surface Mount

Package / Case

SC-74A, SOT-753

Go To Top