AT1453AP 参数 Datasheet PDF下载

AT1453

Preliminary Product Information

Photoflash Capacitor Charger for DSC

Soft-Start Setting

The soft start operation is determined by the capacitor connected to the SS terminal. It can calculate the

soft start time Ts(s).

C

×

−

0 .3

V

∆

V

=

I

→

C

×

DUTY

=

1

µ

A

∆

t

∆

t

Ts

(

s

)

=

(

V

DUTY

−

0.3)

×

C

(

µ

F

)

Example: (Fig C)

R5=47K

V

DUTY

=0.790V

Ts(s)=(0.790-0.3)*1=0.49(sec)

CH1:V

OUT

CH2:SS CH3:DUTY CH4:I

BAT

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

WWW:

http://www.aimtron.com.tw

Fax: 886-3-563-0879

Email:

service@aimtron.com.tw

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