Datasheet > CS52843

CS52843

更新时间： 2024-11-16 04:12:43

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
9页	241K
描述
Current Mode PWM Control Circuit

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CS52843 数据手册

CS52843

Current Mode

PWM Control Circuit

The CS52843 provides all the necessary features to implement

off−line fixed frequency current−mode control with a minimum

number of external components.

The CS52843 incorporates a new precision temperature−controlled

oscillator to minimize variations in frequency. An undervoltage

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lockout ensures that V

is stabilized before the output stage is

REF

enabled. In the CS52843 turn on is at 8.4 V and turn off at 7.6 V.

Other features include low start−up current, pulse−by−pulse current

limiting, and a high−current totem pole output for driving capacitive

loads, such as gate of a power MOSFET. The output is low in the off

state, consistent with N−channel devices.

SO−8

D SUFFIX

CASE 751

Features

• Optimized for Off−Line Control

SO−14

D SUFFIX

CASE 751A

• Internally Temperature Compensated Oscillator

• V

Stabilized before Output Stage is Enabled

REF

• Very Low Start−Up Current 300 μA (typ)

• Pulse−by−Pulse Current Limiting

• Improved Undervoltage Lockout

• Double Pulse Suppression

• 2.0% 5.0 Volt Reference

• High Current Totem Pole Output

PIN CONNECTIONS AND

MARKING DIAGRAMS

COMP

REF

Sense

OSC

OUT

GND

COMP

REF

Sense

Pwr

OUT

Pwr GND

GND

OSC

WL, L

YY, Y

= Assembly Location

= Wafer Lot

= Year

WW, W = Work Week

ORDERING INFORMATION

Device

Package

Shipping

CS52843ED8

95 Units/Rail

2500 Tape & Reel

55 Units/Rail

SO−8

SO−14

CS52843EDR8

CS52843ED14

CS52843EDR14

2500 Tape & Reel

SO−14

Publication Order Number:

July, 2006 − Rev. 4

CS52843/D

12 3 4 5 6 7...9

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与CS52843相关器件

型号	品牌	获取价格	描述	数据表
CS-52843	ETC	获取价格	Current Mode PWM Control Circuit
CS52843/D	ETC	获取价格	Current Mode PWM Control Circuit
CS-52843D14	ETC	获取价格	Current-Mode SMPS Controller
CS-52843D8	ETC	获取价格	Current-Mode SMPS Controller
CS-52843DR14	CHERRY	获取价格	Switching Controller, Current-mode, 1A, PDSO14,
CS52843ED14	ONSEMI	获取价格	Current Mode PWM Control Circuit
CS52843ED14	CHERRY	获取价格	Current Mode PWM Control Circuit
CS52843ED8	CHERRY	获取价格	Current Mode PWM Control Circuit
CS52843ED8	ONSEMI	获取价格	Current Mode PWM Control Circuit
CS52843EDR14	ONSEMI	获取价格	Current Mode PWM Control Circuit