Rainbow-electronics MAX782 Manual de usuario descargar pdf (Pagina 11)

MAX782

Triple-Output Power-Supply

Controller for Notebook Computers

______________________________________________________________________________________ 11

SHOOT-

THROUGH

CONTROL

60kHz

LPF

MINIMUM

CURRENT

(IDLE-MODE)

25mV

LEVEL

SHIFT

1µs

SINGLE-SHOT

MAIN PWM

COMPARATOR

OSC

LEVEL

SHIFT

CURRENT

LIMIT

30R

3.3V

4µA

SYNCHRONOUS

RECTIFIER CONTROL

0mV-100mV

REF, 3.3V

(OR INTERNAL

5V REFERENCE)

SS_

ON_

–100mV

VDD REG

(SEE FIG. 2)

CS_

FB_

BST_

DH_

LX_

DL_

PGND

SLOPE COMP

Figure 3. PWM Controller Block Diagram

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 31 32

Triple-Output Power-Supply 1

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Rainbow-electronics MAX782 Manual de usuario Pagina 11

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