Datasheet > CS2841B/D

CS2841B/D

更新时间： 2024-11-16 23:43:39

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描述
Automotive Current Mode PWM Control Circuit

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CS2841B/D 数据手册

CS2841B

Automotive Current Mode

PWM Control Circuit

The CS2841B provides all the necessary features to implement

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

number of external components.

http://onsemi.com

The CS2841B (a variation of the CS2843A) is designed specifically

for use in automotive operation. The low start threshold voltage of 8.0 V

(typ), and the ability to survive 40 V automotive load dump transients

are important for automotive subsystem designs. The CS2841 series

has a history of quality and reliability in automotive applications.

The CS2841B incorporates a precision temperature–controlled

oscillator with an internally trimmed discharge current to minimize

variations in frequency. Duty–cycles greater than 50% are also

DIP–8

N SUFFIX

CASE 626

SO–14

D SUFFIX

CASE 751A

possible. On board logic ensures that V

output stage is enabled. Ion implant resistors provide tighter control of

undervoltage lockout.

is stabilized before the

REF

PIN CONNECTIONS AND

MARKING DIAGRAM

Features

• Optimized for Off–Line Control

• Internally Trimmed Temperature Compensated Oscillator

• Maximum Duty–Cycle Clamp

COMP

REF

• V

Stabilized Before Output Stage Enabled

REF

Sense

OSC

OUT

• Low Start–Up Current

GND

• Pulse–By–Pulse Current Limiting

• Improved Undervoltage Lockout

• Double Pulse Suppression

• 1.0 % Trimmed Bandgap Reference

• High Current Totem Pole Output

DIP–8

COMP

REF

Sense

Pwr

OUT

Pwr GND

GND

OSC

SO–14

WL, L

YY, Y

= Assembly Location

= Wafer Lot

= Year

WW, W = Work Week

ORDERING INFORMATION

Device

Package

Shipping

CS2841BEN8

CS2841BED14

CS2841BEDR14

50 Units/Rail

55 Units/Rail

DIP–8

SO–14

2500 Tape & Reel

Semiconductor Components Industries, LLC, 2001

Publication Order Number:

May, 2001 – Rev. 4

CS2841B/D

12 3 4 5 6 7...12

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