AA18380 Datasheet Switching Regulator Controller

Manufacturer: Agamem Microelectronic

AA18380 switching regulator controller by Agamem Microelectronic - Datasheet Preview

Datasheet Details

Part number	AA18380
Manufacturer	Agamem Microelectronic
File Size	530.13 KB
Description	Switching Regulator Controller
Datasheet	AA18380 Datasheet

General Description

S Pin No.

1 2 3 4 5 6 7 8 Symbol INSCP VCC BR/CTL OUT GND OSC FB I/O I — — I O — — O AA18380 Switching Regulator Controller Description Internal error amplifier inverting input pin Soft start and short circuit protection setting capacitor connection pin IC power supply pin Output current setting and control pin Output voltage monitoring pin Ground pin Timing capacitor & resistor connection pin for setting the internal PWM frequency Error amplifier output pin BLOCK DIAGRAM Vcc 3 OSC 7 Reference Voltage Supply 1.25V 0.8V 0.1V Sawtooth wave Oscillator 0.1V IN1 Error Amp.

+ 0.5V FB 8 36K + PWM COMP.

Overview

www.DataSheet4U.com Agamem Microelectronics Inc.

PRELIMINARY OVERVIEW AA18380 Switching Regulator Controller The AA18380 is a single-channel PWM DC-DC regulator control IC that supports low-voltage operation.

Key Features

a low minimum operating voltage of 1.8 V and low current consumption, is optimal for use in high-efficiency power supplies for portable electronic equipment.

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