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MAX782

Triple-Output Power-Supply Controller for Notebook Computers

Maxim Integrated 

Triple-Output Power-Supply

Controller for Notebook Computers

REF, 3.3V

(OR INTERNAL

5V REFERENCE)

SS_

ON_

–100mV

60kHz

LPF

MAIN PWM

COMPARATOR

SLOPE COMP

25mV

4µA

MINIMUM

CURRENT

(IDLE-MODE)

VL

CURRENT

LIMIT

0mV-100mV

30R

3.3V 1R

N

SYNCHRONOUS

RECTIFIER CONTROL

RQ

N

S

1X

R

Q

S

OSC

CS_

FB_

LEVEL

SHIFT

BST_

DH_

LX_

SHOOT-

THROUGH

CONTROL

LEVEL

SHIFT

VL

DL_

PGND

VDD REG

(SEE FIG. 2)

N

1µs

SINGLE-SHOT

Figure 3. PWM Controller Block Diagram

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