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SP7662 Fiches technique(PDF) 4 Page - Sipex Corporation

No de pièce SP7662
Description  Wide Input Voltage Range 12A, 300kHz, Buck Regulator
Download  19 Pages
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Fabricant  SIPEX [Sipex Corporation]
Site Internet  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7662 Fiches technique(HTML) 4 Page - Sipex Corporation

  SP7662_07 Datasheet HTML 1Page - Sipex Corporation SP7662_07 Datasheet HTML 2Page - Sipex Corporation SP7662_07 Datasheet HTML 3Page - Sipex Corporation SP7662_07 Datasheet HTML 4Page - Sipex Corporation SP7662_07 Datasheet HTML 5Page - Sipex Corporation SP7662_07 Datasheet HTML 6Page - Sipex Corporation SP7662_07 Datasheet HTML 7Page - Sipex Corporation SP7662_07 Datasheet HTML 8Page - Sipex Corporation SP7662_07 Datasheet HTML 9Page - Sipex Corporation Next Button
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4
Mar -07 Rev AJ
SP7662 Wide Input Voltage Range 2A, 300kHz Buck Regulator
© 2007 Sipex Corporation
CONTROLLER BLOCK DIAGRAM
FA ULT
0.1V
0.25V
S OFTS TA R T INP UT
135ºC O FF
145ºC ON
50K
140K
4.05 V OFF
4.25 V ON
FA ULT
R
FAULT
VC C
GND
C OMP A R A TOR
A S Y NC . S TAR TUP
1.6 V
SS
GL HOLD OFF
300 kHZ
C LK
C LOC K P ULS E GEN E R A TOR
Q
S
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
HIC 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
DE TE C TION
V FB INT
S HOR TC IR C UIT
200ms D elay
Q
DOMINA NT
R
S
S E T
S HUTDOW N
THE R MA L
V IN
R E F OK
C OR E
0.8V
UV IN
VIN UV LO
2.50 V ON
2.20 V O FF
R E GULA TOR
LINE A R
5V
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 INT
V FB
GL
P W M LO O P
C OMP
VPOS
Gm
Gm ER R OR A MP LIFIE R
GH
S WN
Note: The SP7662 uses the Sipex PWM controller SP6133.


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