Datasheet > GR8836

GR8836

更新时间： 2024-11-19 01:13:07

品牌	Logo	应用领域
绿芯 - GRENERGY		/
页数	文件大小	规格书
13页	857K
描述
Green-Mode PWM Controller with Integrated Protections

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GR8836 数据手册

GR8836

Green-Mode PWM Controller with Integrated Protections

Features

Description

ꢀ

Current mode control

The GR8836 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

of the current sensing, internal slope com-

pensation, 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 GR8836

OUT pin voltage is clamped to about 18V. The

GR8836 improves the performance and reduces

the cost of power supplies. It is with 8-pin DIP and

6-pin SOT-26 package.

Very low startup current

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 soft start

Gate output voltage clamp

Over-voltage protection (OVP) on VCC pin

Over-load protection (OLP)

Over-current protection (OCP) on CS pin

Over-temperature protection (OTP) on chip

300mA driving capability

Applications

ꢀ

Switching AC/DC power adapter

Battery charger

Open-frame SMPS

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.

2010.04 Ver. 1.21 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com

12 3 4 5 6 7...13

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