Datasheet > GR8835ACI

GR8835ACI

更新时间： 2024-11-22 01:06:23

品牌	Logo	应用领域
绿芯 - GRENERGY		/
页数	文件大小	规格书
14页	926K
描述
Green-Mode PWM Controller with Integrated Protections

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GR8835ACI 数据手册

GR8835A

Green-Mode PWM Controller with Integrated Protections

Features

Applications

ꢀ

Current mode PWM

Switching AC/DC power adapter and battery

Very low startup current

charger

Under-voltage lockout (UVLO)

Non-audible-noise green-mode control

Programmable switching frequency

Cycle-by-cycle peak current limiting

Internal leading-edge blanking

Internal slope compensation

Internal 4ms soft start (Fs=65KHz)

VCC over voltage clamp

ꢀ

Open-frame SMPS

Description

The GR8835A is a highly-integrated, low startup

current, current mode PWM controller with

Green-mode function. This function enables the

power supply to easily meet even the strictest

power conservation requirements. The integrated

functions also include the leading-edge blanking

Gate output voltage clamp

Soft driving for reducing EMI

Over-voltage protection (OVP) on VCC Pin

Over-load protection (OLP)

the current sensing, internal slope

compensation, cycle-by-cycle peak current

limiting and soft start. OLP, OCP and OVP provide

protection performance for fault conditions. To

protect the external power MOSFET from being

damaged by supply over voltage, the GR8835A

gate voltage is clamped about 13V.

Over-current protection (OCP) on CS Pin

300mA driving capability

Meet the standard of Green Partner, SONY

SS-00259

The GR8835A improves the performance and

reduces the cost of power supplies. It is with both

8-pin DIP and 6-pin SOT-26 package.

Ordering and Marking Information

DIP-8

SOT-26

Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without

notice, and advise customers to obtain the latest version of relevant information to verify before placing

orders.

2011.02. Ver 1.5 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com

12 3 4 5 6 7...14

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