AT1454/AT1454A/AT1454B
Preliminary Product Information
Photoflash Capacitor Charger for DSC
Pin Configuration
1
0
7
4
9
8
6
5
1454
3
1
2
Ordering Information
Part number
Package
Marking
AT1454M_GRE
AT1454AM_GRE
AT1454BM_GRE
MSOP-10 , Green
MSOP-10 , Green
MSOP-10 , Green
AT1454, Date code with one bottom line
AT1454A, Date code with one bottom line
AT1454B, Date code with one bottom line
*For more marking information, contact our sales representative directly
Pin Description
Pin N0.
Symbol
I / O
Description
1
2
3
CHARGE
I
I
I
Charge enable input
Comparator input
FB
TRIGGER
IGBT Trigger signal input.
Detecting transformer secondary current. Take care to use the
correct phasing of the transformer.
4
5
6
ISEC
I
P
I
GND
LX
Ground
Power MOSFET N-channel Drain. Connect Primary transformer.
Take care to use the correct phasing of the transformer.
IGBT Driver output.
7
8
DRIVER
VCC
READY
Rsense
O
P
O
I
Power supply.
9
Charge ready open drain output.
A resistor from Rsense to VCC or VBAT sets the constant On-time.
10
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
3/24/2006 REV:1.2
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
2
AIMTRON [ AIMTRON TECHNOLOGY ]
