Rainbow-electronics MAX1531 Manuale Utente Scaricare il pdf (Pagina 17)

MAX1530/MAX1531

Multiple-Output Power-Supply Controllers for

LCD Monitors

______________________________________________________________________________________ 17

MAX1531

OSC REF

SLOPECLOCK

TIMER

VLOK

REF

SEQUENCE

0.9VREF

REF

0.9VREF

REF

SOFT-

START

0.9VREF

REF

0.9VREF

REF

SOFT-

START

SOFT-

START

SOFT-

START

SOFT-

START

400mV

REF

THERMAL

FAULT

LOGIC

ON2

ON3

ON4

ON5

LDO3EN

FLT3

LDO4EN

FLT4

FLT5FLT2

FLT1

LDO2EN LDO5EN

VLOKEN

FREQ

RSTIN

RESET

GND

COMP

SEQ

ONL2

ONL3

ONL4

ONL5

LR1

LR2

LR3

LR4

LR5

FBL1

DRV1

DRV2 DRV5

DRV4

DRV3

FBL2 FBL5

FBL4

FBL3

ILIM

FLTM

300mV

CSH

CSL

FLTCS

PGND

BST

SS DONE FLTMDC-DC EN

STEP-DOWN

CONTROLLER

COMP

ILIM

PGND

HIGH-SIDE

DRIVER

LOW-SIDE

DRIVER

SEQ

Figure 3. IC Functional Diagram

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 32 33

MAX1530/MAX1531 1
LCD Monitors 1
TRANSISTOR COUNT: 5600 32
PROCESS: BiCMOS 32
Package Information 33

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