AT1369

Preliminary Product Information

2-Channel Synchronous Buck PWM Controller

with Power Good Reset

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

5

Output source current

I

source

Duty

≥95% PDRV=0V

-

-130

-80

mA

Output sink current

I

sink

Duty

≤5% PDRV=5V

65

100

mA

R

OH

PDRV=-15mA

10

20

Ω

PDRV1,2 Output

Block

Output ON resistor

R

OL

PDRV=15mA

10

20

Ω

Output source current

I

source

Duty

≥95% NDRV=0V

-

-130

-80

mA

Output sink current

I

sink

Duty

≤5% NDRV=5V 65 100

mA

R

OH

NDRV=-15mA

10

20

Ω

NDRV1,2 Output

Block

Output ON resistor

R

OL

NDRV=15mA

10

20

Ω

V

IH

Active mode

VCC-

1

VCC

V

CTL input voltage

V

IL

Standby mode

0

VCC/

2

V

Control Block

CTL input Current

I

CTL

CTL=5.0V

20

µA

VCC reset ON voltage

V

RSTON1

4.10 4.20 4.30

V

VCC reset hysteresis

V

RSTON1 hys

-100

100

mV

3V3 reset ON voltage

V

RSTON2

2.94

3.0

3.06

V

3V3 reset hysteresis

V

RSTON2 hys

-60

60

mV

EI reset ON voltage

V

RSTON3

1.12 1.22 1.32

V

EI reset hysteresi

V

RSTON hys

-100

-

100

MV

Reset output voltage

V

OL

I

0.4

V

RESET Monitor

Block

Reset leakage current

I

Leak

2.0

µA