Datasheet > L6902N

L6902N

更新时间： 2024-09-15 23:44:03

品牌	Logo	应用领域
其他 - ETC		模拟IC 开关光电二极管
页数	文件大小	规格书
7页	50K
描述
Analog IC

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中文翻译

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数据手册

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L6902N 数据手册

L6902

1A CONSTANT CURRENT BATTERY CHARGER

PRODUCT PREVIEW

UP TO 1A BATTERY CHARGER

OPERATING INPUT VOLTAGE FROM 8V TO

36V

PRECISE 3.3V (±2%) REFERENCE VOLT-

AGE

5% CHARGING CURRENT ACCURACY

OUTPUT VOLTAGE ADJUSTABLE FROM

1.235VTO 34V

250KHz INTERNALLY FIXED FREQUENCY

VOLTAGEFEEDFORWARD

ZERO LOAD CURRENT OPERATION

INTERNAL CURRENT LIMITING

PROTECTION AGAINST FEEDBACK DIS-

CONNECTION

SO8

ORDERING NUMBERS:

L6902D

MINIDIP

L6902N

THERMAL SHUTDOWN

DISTRIBUTED POWER SUPPLY

MOBILE PC & SUBNOTEBOOK

APPLICATION

CHARGES FOR NiCd, NiMH AND LITHIUM

BATTERIES

SIMPLE, SMALLER & EFFICIENT STEP-

DOWN CONVERTERS

DESCRIPTION

The L6902 is a complete and simplest IC for bat-

teries charging application.

Based a voltage mode structure it is a step down

switching converterintegrating a current error am-

BATTERY EQUIPPED SYSTEMS

TEST AND APPLICATION CIRCUIT

Vi = 8V to 3 6V

Vo (Adj )

L6902

V _{r ef}

L ₁

R_{s en se}

0.1

( 3.3V)

C₁

10 0

C₃

4 7

D ₁

R₁

5 K

C₂

22 n

Ocober 2000

1/7

This is preliminary information on a new product now in development. Details are subject to change without notice.

12 3 4 5 6 7

中文翻译

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