AT1393/A/B/C

Preliminary Product Information

6-Channel DC-DC Converter IC for DSC

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

2

Pin Description

Pin No.

Pin name Function

1SWOUT

Output Switch Control Circuit Output

2

SWIN

Output Switch Control Circuit Input

3

FB6

CH6 Error Amplifier Output

4

IN6

CH6 Error Amplifier Inverted Input

5

CIN6

CH6 Soft Start Setting

6

DTC5

CH5 Dead Time Control

7

FB5

CH5 Error Amplifier Output

8

IN5

CH5 Error Amplifier Inverted Input

9

INA4

CH4 Inverting Amplifier Input

10

OUTA4

CH4 Inverting Amplifier Output

11

FB4

CH4 Error Amplifier Output

12

IN4

CH4 Error Amplifier Inverted Input

13

INS4

CH4 Short Detection Comparator Inverter Input

14

DTC4

CH4 Dead Time Control

15

CS

CH1 to CH5 Soft Start Setting

16

VREF

Reference 2.5V Output

17

AGND

Ground

18

CSCP

Timer Latch Shout-Circuit Detection Input

19

VCC

Power Supply

20

CTL

CH6 Power Supply Control Input

21

CTL1_ 2

CH1 and CH2 ON/OFF Control Input

22

CTL3

CH3 ON/OFF Control Input

23

CTL4

CH4 ON/OFF Control Input

24

CTL5

CH5 ON/OFF Control Input

25

RT

Oscillation Frequency Setting Resistor

26

CT

Oscillation Frequency Setting Capacitor

27

VB

Triangular Wave Oscillator Regulator Output

28

IN3

CH3 Error Amplifier Inverted Input

29

FB3

CH3 Error Amplifier Output

30

DTC3

CH3 Dead Time Control

31

IN2

CH2 Error Amplifier Inverted Input

32

FB2

CH2 Error Amplifier Output

33

DTC2

CH2 Dead Time Control

34

IN1

CH1 Error Amplifier Inverted Input

35

FB1

CH1 Error Amplifier Output

36

DTC1

CH1 Dead Time Control

37

OUT1-1

CH1 Main Side Output(P-CH MOSFET)

38

OUT1-2

CH1 Synchronous Rectifier Side Output

39

OUT2-1

CH2 Main Side Output

40

OUT2-2

CH2 Synchronous Rectifier Side Output

41

OUT3

CH3 Output(N-CH MOSFET)

42

PVCC

Output Circuit Power Supply

43

OUT4

CH4 Output

AT1393/C:Drive N-CH MOSFET for boost converter

AT1393A/B:Drive P-CH MOSFET for inverting

44

PGND

Output Circuit Ground

45

OUT5-1

CH5 Main Side Output(N_CH MOSFET)

46

OUT5-2

CH5 Synchronous Rectifier Side Output

47

OUT6

CH6 Output

48

RB

Output Current Setting Resistor