AT1395

Preliminary Product Information

5-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

Fax: 886-3-563-0879

2

Pin Description

Pin No.

Pin name

I/O

Function

1

SS5

I

CH5 Soft Start Setting Capacitor

2

FB5

I

CH5 Error Amplifier Output

3

IN5E

I

CH5 Error Amplifier Inverted Input

4

SEL4

I

CH4 Output Driver P-ch/N-ch Control

5

DTC4

I

CH4 Dead Time Control

6

SS4

I

CH4 Soft Start Setting Capacitor

7

FB4

I

CH4 Error Amplifier Output

8

IN4N

I

CH4 Error Amplifier Negative Input

9

IN4P

I

CH4 Error Amplifier Positive Input

10

SEL3

I

CH3 Output Driver P-ch/N-ch Control

11

DTC3

I

CH3 Dead Time Control

12

SS3

I

CH3 Soft Start Setting Capacitor

13

FB3

I

CH3 Error Amplifier Output

14

IN3E

I

CH3 Error Amplifier Inverted Input

15

CTL5

I

CH5 ON/OFF Control Input

16

CTL4

I

CH4 ON/OFF Control Input

17

CTL3

I

CH3 ON/OFF Control Input

18

VREG

O

2.2V Regulator Output

19

VREFO

-

Reference bypass Input

20

AGND

P

Power Ground

21

VCC

P

Power Supply

22

VBC

-

Bias bypass Input

23

CT

-

Oscillation Frequency Setting Capacitor

24

CTL

I

Power Control Input

25

CSCP

-

Timer Latch Short-Circuit Detection Capacitor Input

26

CTL2

I

CH2 ON/OFF Control Input

27

CTL1

I

CH1 ON/OFF Control Input

28

IN2E

I

CH2 Error Amplifier Inverted Input

29

FB2

I

CH2 Error Amplifier Output

30

SS2

I

CH2 Soft Start Setting Capacitor

31

DTC2

I

CH2 Dead Time Control

32

SEL2

I

CH2 Output Driver P-ch/N-ch Control

33

IN1E

I

CH1 Error Amplifier Inverted Input

34

FB1

I

CH1 Error Amplifier Output

35

SS1

I

CH1 Soft Start Setting Capacitor

36

DTC1

I

CH1 Dead Time Control

37

SEL1

I

CH1 Output Driver P-ch/N-ch Control

38

LBI

I

Low Battery Detector Input

39

LBO

O

Low Battery Indicator

40

OUT1_1

O

CH1 Main Side Output

41

OUT1_2

O

CH1 Synchronous Rectifier Side Output

42

OUT2_1

O

CH2 Main Side Output

43

OUT2_2

O

CH2 Synchronous Rectifier Side Output

44

PVCC

P

Drive Output Block Power Supply

45

PGND

P

Drive Output Block Ground

46

OUT3

O

CH3 Output

47

OUT4

O

CH4 Output

48

OUT5

O

CH5 Output