AT1397A/B
Preliminary Product Information
6-Channel DC-DC Converter for DSC
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw
1/10/2006 REV:1.0 Email: service@aimtron.com.tw
3
Pin Description
Symbol Pin No. Descript
SS1 1 CH1 Soft-Start Input
CTL5 2 CH5 Enable Input
CTL6 3 CH6 Enable Input
LX1 4 CH1 Converter Switching Node
CTL1 5 CH1 Enable and Chip Enable Input
PGND1 6 Power Ground
PGND2 7 Power Ground
CTL2 8 CH2 Enable Input
LX2 9 CH2 Converter Switching Node
CTL3 10 CH3 Enable Input
CTL4 11 CH4 Enable Input
SS2 12 CH2 Soft-Start Input
/SDOK 13 Open-Drain, Active Low, Power Good for CH2
CSCP 14 Short Circuit Protection Input
PVCC2 15 CH2 Converter Input
COMP2 16 CH2 Controller Compensation Node
FB2 17 CH2 Converter Feedback Input
SS3 18 CH3 Soft-Start Input
COMP3 19 CH3 Compensation Node
FB3 20 CH3 Feedback Input
SS4 21 CH4 Soft-Start Input
COMP4 22 CH4 Compensation Node
IN4 23 CH4 Negative Feedback Input
IP4 24 CH4 Positive Feedback Input
PVCC3 25 CH3 Power Input
OUT3M 26 CH3 Master Output Driver
OUT3S 27 CH3 Slave Output Driver
PGND3 28 Power Ground
OUT4 29 CH4 Output Driver
OUT5 30 CH5 Output Driver
OUT6 31 CH6 Output Driver
PVCC4 32 CH4, CH5 and CH6 Power Input
GND 33 Power Ground
FB5H 34 CH5 Controller Over Voltage Protection Input
FB5 35 CH5 Controller Voltage Feedback/Current Feedback
COMP5 36 CH5 Compensation Node
VBG 37 Reference Bypass
SS5 38 CH5 Soft-Start Input
FB6 39 CH6 Feedback Input
COMP6 40 CH6 Compensation Node
CT 41 Oscillator Control
VREG 42 Reference Output
FB1 43 CH1 Converter Feedback Input
COMP1 44 CH1 Controller Compensation Node
VCC 45 IC Power Input
PVCC1 46 CH1 Converter Input
SS6 47 CH6 Soft-Start Input
SEL4 48 Configures the CH4 as a Step-Up or Step-Down