AT1382A
Preliminary Product Information
4-Channel DC-DC Converter for DSC
Pin Description
Pin No. Pin name
I/O Function
1
DTC4
I
O
I
CH4 Dead Time Control
2
FB4
CH4 Error Amplifier Output
CH4 Error Amplifier Inverted Input
CH4 Soft Start Setting Capacitor
CH4 ON/OFF Control
3
IN4
CS4
4
-
5
CTL4
DTC3
FB3
I
I
6
CH3 Dead Time Control
7
O
I
CH3 Error Amplifier Output
CH3 Error Amplifier Inverted Input
CH3 Soft Start Setting Capacitor
CH3 ON/OFF Control
Timer Latch Short-Circuit Detection Capacitor Input
Reference 0.9V Output
Ground
Ground
8
IN3
CS3
9
-
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
CTL3
CSCP
VREF
GND
GND
VBG
VCC
VCC
POR
RT
I
-
O
P
P
TEST Reference Test Pin
P
P
Power Supply
Power Supply
TEST Pre-OSC Change to Main-OSC Indicator
-
-
Oscillation Frequency Setting Resistor
Oscillation Frequency Setting Capacitor
Reference 1.8V Output
Power Supply Control
Gain Block Enable Input
CT
VB
O
I
CTL
ENLD
CT2
I
TEST Triangular wave OSC Inverted output Test Pin
CTL2
CS2
I
-
I
CH2 ON/OFF Control
CH2 Soft Start Setting Capacitor
CH2 Error Amplifier Inverted Input
CH2 Error Amplifier Output
CH2 Dead Time Control
IN2
FB2
O
I
DTC2
CTL1
CS1
I
CH1 ON/OFF Control
-
CH1 Soft Start Setting Capacitor
CH1 Error Amplifier Inverted Input
CH1 Error Amplifier Output
CH1 Dead Time Control
IN1
I
FB1
O
I
DTC1
LBI
I
Low Battery Detected Input
Low Battery Indicator
LBO
AI
O
I
LDO Regulated Input
AO
O
O
O
O
O
-
LDO Drive Output
OUT1_1
OUT1_2
OUT2_1
OUT2_2
N.C.
CH1 Main Side Output
CH1 Synchronous Rectifier Side Output
CH2 Main Side Output
CH2 Synchronous Rectifier Side Output
PVCC
N.C.
PGND
OUT3
OUT4
P
-
P
O
O
Drive Output Block Power Supply
Drive Output Block Ground
CH3 Output
CH4 Output
2F, No.10, Prosperity RD. 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
Email: service@aimtron.com.tw
2
AIMTRON [ AIMTRON TECHNOLOGY ]
