SP7663 datasheet(4/19 Pages) SIPEX

номер детали	SP7663

подробное описание детали	Current Limiting using Inductor DCR

PDF	19 Pages

Scroll/Zoom	100%

производитель	SIPEX [Sipex Corporation]

домашняя страница	http://www.sipex.com

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4 / 19 page

Nov3-06 Rev L

SP7663 Wide Input Voltage Range 6A, 600kHz Buck Regulator

CONTROLLER BLOCK DIAGRAM

FA ULT

0 1V

0 25V

S OFTS TA R T INP UT

135ºC O FF

145 C ON

50K

140K

4 05 V OFF

4 25 V ON

FA ULT

FAULT

VC C

GND

C OMP A R A TOR

A S Y NC S TAR TUP

1 6 V

GL HOLD OFF

600 kHZ

C LK

C LOC K P ULS E GEN E R A TOR

R E S E T

DOMINA NT

QP W M

S Y NCHR O NO US

DR IV E R

P GND

B S T

2 8 V

1 3 V

R AMP =1V

VP OS

T HE R MAL A ND O V E R C UR R E NT P R O T E CT IO N

UV LO CO MP AR AT O R S

VC C UV LO

H C C UP FAULT

R E F OK

C OUNTE R

C LR

C LK

IS P

IS N

60 mV

OV E R C UR R E NT

DE TE C TION

V FB NT

S HOR TC IR C U T

200ms D e ay

DOMINA NT

S E T

S HUTDOW N

THE R MA L

V N

R E F OK

C OR E

0 8V

UV N

VIN UV LO

2 50 V ON

2 20 V O FF

R E GULA TOR

LINE A R

R E FE R E NC E

PO W E R

FA ULT

V C C

P OS R E F

FAULT

V C C

S S

10 uA

VC C

V FB NT

V FB

P W M LO O P

C OMP

VPOS

Gm ER R OR A MP LIFIE R

S WN

Note: The SP7663 uses the Sipex PWM controller SP6136.

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