Datasheet > CS51031GN8

CS51031GN8

更新时间： 2024-09-15 23:43:43

品牌	Logo	应用领域
其他 - ETC		开关光电二极管驱动控制器
页数	文件大小	规格书
8页	74K
描述
Voltage-Mode SMPS Controller

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CS51031GN8 数据手册

CS51031

Fast PFET Buck Controller

Features

Description

The CS51031 is a switching con-

troller for use in DC-DC converters. allows the use of small inductors

The high frequency oscillator

ꢀ

1A Totem Pole Output Driver

High Speed Oscillator (700kHz

max)

It can be used in the buck topology

with a minimum number of exter-

nal components. The CS51031 con-

sists of a V_CCmonitor for control-

ling the state of the device, 1.0A

power driver for controlling the

gate of a discrete P-channel transis-

tor, fixed frequency oscillator, short

circuit protection timer, pro-

grammable soft start, precision ref-

erence, fast output voltage monitor-

ing comparator, and output stage

driver logic with latch.

and output capacitors, minimizing

PC board area and systems cost.

The programmable soft start

reduces current surges at start up.

The short circuit protection timer

significantly reduces the duty cycle

to approximately 1/ 30 of its cycle

during short circuit conditions.

ꢀ

No Stability Compensation

Required

Lossless Short Circuit

Protection

ꢀ

V_CCMonitor

2% Precision Reference

Programmable Soft Start

The CS51031 is available in 8 Lead

SO and 8 Lead PDIP plastic pack-

ages.

Wide Ambient Temperature

Range:

Industrial Grade: –40°C to 85°C

Commercial Grade: 0°C to 70°C

Typical Application Diagram

5V - 12V

Package Options

47µF

20Ω

8 Lead SO Narrow & PDIP

IRF7416

V_GATE

V_C

GATE

PGnd

C_OSC

GATE

MBRS360

V_CC

PGnd

V_FB

Gnd

0.1µF

10Ω

CS51031

4.7µH

OSC

150pF

OSC

100µF

100

.01µF

Gnd

3.3V @ 3A

2.5kΩ

0.1µF

1.5kΩ

100µF × 2

ON Semiconductor

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885–3600 Fax: (401)885–5786

N. American Technical Support: 800-282-9855

Web Site: www.cherry–semi.com

May, 2000 - Rev. 4

12 3 4 5 6 7 8

中文翻译

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与CS51031GN8相关器件

型号	品牌	获取价格	描述	数据表
CS-51031N8	CHERRY	获取价格	Switching Controller, Voltage-mode, 1A, 700kHz Switching Freq-Max, BIPolar, PDIP8,
CS51031YD8	ONSEMI	获取价格	Fast PFET Buck Controller
CS51031YD8	CHERRY	获取价格	Fast PFET Buck Controller Does Not Require Compensation
CS51031YD8G	ONSEMI	获取价格	Fast P−Ch FET Buck Controller
CS51031YDR8	CHERRY	获取价格	Fast PFET Buck Controller Does Not Require Compensation
CS51031YDR8	ONSEMI	获取价格	Fast PFET Buck Controller
CS51031YDR8G	ONSEMI	获取价格	Fast P−Ch FET Buck Controller
CS51031YN8	CHERRY	获取价格	Fast PFET Buck Controller Does Not Require Compensation
CS51033	ONSEMI	获取价格	Fast PFET Buck Controller
CS51033	CHERRY	获取价格	Fast PFET Buck Controller Does Not Require Compensation