Datasheet > UC3843A

UC3843A

更新时间： 2024-11-26 07:05:27

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
9页	97K
描述
CURRENT MODE PWM CONTROL CIRCUITS

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数据手册
替代型号

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UC3843A 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UC3842A/3843A

LINEAR INTEGRATED CIRCUIT

CURRENT MODE PWM

CONTROL CIRCUITS

SOP-8

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DESCRIPTION

The UTC UC3842A/3843A provide the necessary functions to

implement off-line or DC to DC fixed frequency current mode ,

controlled switching circuits with minimal external components.

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FEATURES

*Low start up current ( Typical 0.12mA )

*Automatic feed forward compensation

*Pulse-by-Pulse current limiting

DIP-8

*Under-voltage lockout with hysteresis

*Double pulse Suppression

*High current totem pole output to drive MOSFET directly

*Internally trimmed band gap reference

*500kHz operation

*Pb-free plating product number: UC3842AL

UC3843AL

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ORDERING INFORMATION

Ordering Number

Package

Packing

Normal

Lead Free Plating

UC3842A-D08-T

UC3842A-S08-R

UC3842A-S08-T

UC3843A-D08-T

UC3843A-S08-R

UC3843A-S08-T

UC3842AL-D08-T

UC3842AL-S08-R

UC3842AL-S08-T

UC3843AL-D08-T

UC3843AL-S08-R

UC3843AL-S08-T

DIP-8

SOP-8

DIP-8

Tube

Tape Reel

Tube

SOP-8

Tape Reel

Tube

UC3842AL-D08-T

(1)Packing Type

(2)Package Type

(3)Lead Plating

(1) T: Tube, R: Tape Reel

(2) D08: DIP-8, S08: SOP-8

(3) L: Lead Free Plating, Blank: Pb/Sn

www.unisonic.com.tw

1 of 9

QW-R103-002,D

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UC3843A 替代型号

型号	品牌	替代类型	描述	数据表
UC3845L-D08-T	UTC	功能相似	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
UC3843AL-D08-T	UTC	功能相似	CURRENT MODE PWM CONTROL CIRCUITS

与UC3843A相关器件

型号	品牌	获取价格	描述	数据表
UC3843A_15	UTC	获取价格	CURRENT MODE PWM CONTROL CIRCUITS
UC3843A-BW	FCI	获取价格	Current Mode PWM Controller Low Start-Up and Operating Current
UC3843AD	FAIRCHILD	获取价格	SMPS Controller
UC3843AD	MICROSEMI	获取价格	CURRENT MODE PWM CONTROLLER
UC3843AD	MOTOROLA	获取价格	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3843AD	ONSEMI	获取价格	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3843AD	TI	获取价格	Current Mode PWM Controller
UC3843AD_NL	FAIRCHILD	获取价格	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8, LEAD FREE, SOP-8
UC3843A-D08-T	UTC	获取价格	CURRENT MODE PWM CONTROL CIRCUITS
UC3843AD1	ONSEMI	获取价格	High Performance Current Mode Controllers