APW7138QBI-TRG中文資料茂達(dá)電子數(shù)據(jù)手冊(cè)PDF規(guī)格書

General Description

The APW7138 is a single-phase, constant-on-time, and synchronous PWM controller which drives N-channel MOSFET s. The APW7138 steps down high voltage of a battery to generate low-voltage chipset or RAM supplies in notebook computers.

Features

? Adjustable Output V oltage from +0.6V to +3.3V

- 0.6V Reference V oltage

- –1 Accuracy Over T emperature

? Operates from an Input Battery V oltage Range of +3V to +25V

? Wide Output Load Range from 0A to 25A

? Power-On-Reset Monitoring on VCC Pin

? Excellent Line and Load Transient Response

? PFM Mode for Increased Light Load Efficiency

? Programmable PWM Frequency from 200kHz to 600kHz

? Integrated MOSFET Drivers and Bootstrap Diode

? Internal Integrated Soft-Start and Soft-Stop

? Selectable Forced PWM or Automatic PFM/PWM Mode (onl y for QF N4x4-16A and TQF N3x3-16 Packages)

? Power Good Monitoring

? Fault Identification by PGOOD Pull-Down Resistance

? 70 Under-V oltage Protection (UVP)

? 124 Over-V oltage Protection (OVP)

? Adjustable Over-Current Protection (OCP)

- Sensing Low-Side MOSFET’ s Current

? Over-T emperature Protection (OTP)

? SSOP-16, Compact 4mmx4mm QF N-16 (QF N4x4-16A), and TQF N3x3-16 Packages

? Lead Free and Green Devices Available (RoHS Compliant)