Datasheet > ZXSC440

ZXSC440

更新时间： 2022-11-25 11:38:30

品牌	Logo	应用领域
捷特科 - ZETEX		闪光灯
页数	文件大小	规格书
13页	165K
描述
PHOTOFLASH CHARGER

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数据手册

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ZXSC440 数据手册

ZXSC440

PHOTOFLASH CHARGER

DESCRIPTION

The ZXSC440 is a dedicated photoflash charger, The Ready pin signals the m icroprocessor when the

charging an 80␮F photoflash capacitor to 300V in 3.5 flash is charged and ready to be fired.

seconds from a 3V supply.

A sm all am ount of hysteresis on the voltage feedback

The flyback conversion efficiency is typically 75%, shuts down the device as long as the capacitor rem ains

m u ch h ig h e r th a n th e co m m o n ly u s e d d is cre te fully charged, again using negligible current.

charging circuits.

The Charge pin enables the circuit to be initiated from

the cam era's m icroprocessor, using negligible current

when flash is not being used.

FEATURES

APPLICATIONS

• Digital cam era flash unit

• Charges a 80␮F photoflash capacitor to 300V in

3.5 seconds from 3V

• Film cam era flash unit

• Charges various value photoflash capacitors

• Over 75% flyback efficiency

• Charge and Ready pins

TYPICAL APPLICATION CIRCUIT

• Consum es only 4.5␮A when not charging

• Sm all MSOP8 low profile package

PINOUT

MSOP8 pin TOP VIEW

ORDERING INFORMATION

DEVICE

DEVICE DES CRIPTION

TEMPERATURE RANGE

PART

TAPING

MARK

OPTIONS

ZXS C440X8TA

ZXS C440X8TC

Ca m e ra fla s h ch a rg e r

-40°C to +85°C

ZXSC440

TA, TC

• TA reels hold 1000 devices

• TC reels hold 4000 devices

DRAFT ISSUE F - MAY 2004

S E M IC O N D U C T O R S

12 3 4 5 6 7...13

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