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

3

Absolute Maximum Ratings

Rating

Parameter

Symbol

Condition

Min

Max

Unit

Power supply voltage

Vcc

--

--

7

V

Output current

Io

Output pin

--

20

mA

Output peak current

Io

Output pin, Duty≦5%

--

200

mA

Power dissipation

P

D

Ta

--

860

mW

Operating temperature

T

OPT

--

-30

85

℃

Storage temperature

T

STG

--

-55

125

℃

ESD Susceptibility (HBM)

--

--

2KV

ESD Susceptibility (MM)

--

--

200

V

Recommended Operating Conditions

Value

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Startup power supply voltage

Vcc

CH6

1.7

--

5.5

V

CH6

2.4

5.0

5.5

V

Power supply voltage

Vcc

CH1 to CH5

3.6

5.0

5.5

V

Reference voltage output current

I

OR

VREF pin

-1

--

0

mA

VB pin output current

I

B

VB pin

-0.5

--

0

mA

IN1 to IN5, INA4, INS4

pins

0--

Vcc

V

Input voltage

V

IN

IN6 pin

0

--

Vcc-0.9

V

Control input voltage

V

CTL

CTL pin

0

--

7

V

OUT pin (CH1 to CH5)

--

2

15

mA

OUT pin (CH6)

1

2

15

mA

Output current

Io

OUT pin

--

1

4

mA

Output current setting resister

R

B

RB6 pin

2.4

24

51

kΩ

Oscillator

f

OSC

--

100

500

1000

kHz

Timing capacitor

C

T

--

47

100

560

pF

Timing resistor

R

T

--

8.2

18

100

kΩ

Cs

CH1 to CH5

--

0.027

1.0

μ

F

Soft start capacitor

C

+IN6

CH6

--

0.47

1.0

μ

F

Short detection capacitor

C

SCP

--

--

0.1

1.0

μ

F

VB pin capacitor

C

VB

--

0.082

0.1

--

μ

F

Operating ambient temperature

Ta

--

-20

25

85

℃