Datasheet > UC3842A

UC3842A

更新时间： 2024-11-04 06:02:43

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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替代型号

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UC3842A 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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UC3842A 替代型号

型号	品牌	替代类型	描述	数据表
UC3843AL-D08-T	UTC	功能相似	CURRENT MODE PWM CONTROL CIRCUITS
UC3842A	FAIRCHILD	功能相似	SMPS Controller
UC3842A	ONSEMI	功能相似	HIGH PERFORMANCE CURRENT MODE CONTROLLERS

与UC3842A相关器件

型号	品牌	获取价格	描述	数据表
UC3842A UC3843A	UTC	获取价格	PWM Controllers with Low Start-Up Current
UC3842A/D	MOTOROLA	获取价格	High Performance Current Mode Controller
UC3842A_05	UTC	获取价格	CURRENT MODE PWM CONTROL CIRCUITS
UC3842A_05	ONSEMI	获取价格	High Performance Current Mode Controllers
UC3842A_07	ONSEMI	获取价格	High Performance Current Mode Controllers
UC3842A_11	UTC	获取价格	CURRENT MODE PWM CONTROL CIRCUITS
UC3842A_12	UTC	获取价格	CURRENT MODE PWM CONTROL CIRCUITS
UC3842A_17	UTC	获取价格	CURRENT MODE PWM CONTROL CIRCUITS
UC3842A-BW	FCI	获取价格	Current Mode PWM Controller Low Start-Up and Operating Current
UC3842ACD	ETC	获取价格	Analog IC