AT1396A/B/C/D
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Pin Description
Symbol
Pin No.
Descript
SS1
CTL5
CTL6
LXU
CTLU
PGND1
PGND2
CTLD
LXD
CTL3
CTL4
SS2
/SDOK
CSCP
PVCC2
COMP2
FBD
1
2
3
4
5
6
7
8
CH1 Soft-Start Input
CH5 Enable Input
CH6 Enable Input
Step-Up Converter Switching Node
CH1 Enable and Chip Enable Input
Power Ground
Power Ground
CH2 Enable Input
9
Step-Down Converter Switching Node
CH3 Enable Input
CH4 Enable Input
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CH2 Soft-Start Input
Open-Drain, Active Low, Power Good for Step-Down
Short Circuit Protection Input
Step-Down Converter Input
Step-Down Converter Compensation Node
Step-Down Converter Feedback Input
CH3 Soft-Start Input
CH3 Compensation Node
CH3 Feedback Input
CH4 Soft-Start Input
CH4 Compensation Node
CH4 Negative Feedback Input
CH4 Positive Feedback Input
CH3 Power
CH3 Master Output Driver
CH3 Slave Output Driver
Power Ground
SS3
COMP3
FB3
SS4
COMP4
IN4
IP4
PVCC3
OUT3M
OUT3S
PGND3
OUT4
OUT5
OUT6
PVCC4
GND
FB5H
FB5
COMP5
VBG
SS5
FB6
COMP6
CT
VREG
FBU
CH4 Output Driver
CH5 Output Driver
CH6 Output Driver
CH4 Power
Power Ground
CH5 Controller Voltage Feedback Input
CH5 Controller Voltage Feedback/Current Feedback
CH5 Compensation Node
Reference Bypass
CH5 Soft-Start Input
CH6 Feedback input
CH6 Compensation Node
Oscillator Control
Reference Output
Step-Up Converter Input
Step-Up Controller Compensation Node
IC power Input
Power Output of the Step-Up Converter
CH6 Soft-Start Input
COMP1
VCC
PVCC1
SS6
SEL4
Configures the CH4 as a Step-Up or Step-Down
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
4/2/2007 REV:1.1
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
3
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
