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AT1382B
Preliminary Product Information
4-Channel DC-DC Converter for DSC
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
2
Pin Description
Pin No.
Pin name
DTC4
FB4
IN4
CS4
CTL4
DTC3
FB3
IN3
CS3
CTL3
CSCP
VREF
GND
GND
VBG
VCC
VCC
POR
RT
CT
VB
CTL
ENLD
CT2
CTL2
CS2
IN2
FB2
DTC2
CTL1
CS1
IN1
FB1
DTC1
LBI
LBO
AI
AO
OUT1_1
OUT1_2
OUT2_1
OUT2_2
N.C.
PVCC
N.C.
PGND
OUT3
OUT4
I/O
I
O
I
-
I
I
O
I
-
I
-
O
P
P
TEST
P
P
TEST
-
-
O
I
I
TEST
I
-
I
O
I
I
-
I
O
I
I
O
I
O
O
O
O
O
-
P
-
P
O
O
Function
CH4 Dead Time Control
CH4 Error Amplifier Output
CH4 Error Amplifier Inverted Input
CH4 Soft Start Setting Capacitor
CH4 ON/OFF Control
CH3 Dead Time Control
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
Reference Test Pin
Power Supply
Power Supply
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
Triangular wave OSC Inverted output Test Pin
CH2 ON/OFF Control
CH2 Soft Start Setting Capacitor
CH2 Error Amplifier Inverted Input
CH2 Error Amplifier Output
CH2 Dead Time Control
CH1 ON/OFF Control
CH1 Soft Start Setting Capacitor
CH1 Error Amplifier Inverted Input
CH1 Error Amplifier Output
CH1 Dead Time Control
Low Battery Detected Input
Low Battery Indicator
LDO Regulated Input
LDO Drive Output
CH1 Main Side Output
CH1 Synchronous Rectifier Side Output
CH2 Main Side Output
CH2 Synchronous Rectifier Side Output
1
2
3
4
5
6
7
8
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
Drive Output Block Power Supply
Drive Output Block Ground
CH3 Output
CH4 Output