Rainbow-electronics MAX1635 Manuale Utente Scaricare il pdf (Pagina 12)

MAX1630–MAX1635

Multi-Output, Low-Noise Power-Supply

Controllers for Notebook Computers

12 ______________________________________________________________________________________

SHOOT-

THROUGH

CONTROL

30mV

LEVEL

SHIFT

1µs

SINGLE-SHOT

MAIN PWM

COMPARATOR

OSC

LEVEL

SHIFT

CURRENT

LIMIT

SYNCHRONOUS

RECTIFIER CONTROL

REF

SHDN

-100mV

CSH_

CSL_

FROM

FEEDBACK

DIVIDER

BST_

DH_

LX_

DL_

PGND

SLOPE COMP

SKIP

REF

SECFB

COUNTER

DAC

SOFT-START

Figure 3. PWM Controller Detailed Block Diagram

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 27 28

MAX1630–MAX1635 1

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Rainbow-electronics MAX1635 Manuale Utente Pagina 12

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