ABSOLUTE MAXIMUM RATINGS
Thesearestressratingsonlyandfunctionaloperationofthedeviceattheseratingsoranyotherabovethoseindicatedintheoperationsectionsofthe
specificationsbelowisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsoftimemayaffectreliability.
V C ..................................................................................................7V
I CX............................................................................................................................................ 10A
StorageTemperature..................................................-65°Cto150°C
PowerDissipation ...................................... InternallyLimitedviaOTP
ESDRating ..........................................................................2kVHBM
V
........................................................................................................................................... 30V
IN
L
BST...............................................................................................35V
LX-BST ............................................................................. -0.3Vto7V
LX....................................................................................... -1Vto30V
ThermalResistanceV .................................................................................... 5°C/W
JC
Allotherpins .......................................................... -0.3VtoV C+0.3V
C
ELECTRICAL SPECIFICATIONS
Unlessotherwisespecified:-40°C<T M <85°C,-40°C<Tj<125°C,4.5V<V C<5.5V,3V<Vin<28V,BST=LX+5V,
A B
C
LX =G
N
D=0.0V,UVIN=3.0V,C C
V C=1µF,C OM =0.1µF,C S=50nF,TypicalmeasuredatV C
C =5V.
C
P
S
Thez denotesthespecificationswhichapplyoverthefulltemperaturerange,unlessotherwisespecified.
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
QUIESCENT CURRENT
V SupplyCurrent(Noswitching)
1.5
6
3
9
mA
mA
mA
mA
V =0.9V
CC
FB
♦
♦
V SupplyCurrent(switching)
CC
BSTSupplyCurrent(Noswitching)
0.2
5
0.4
8
V =0.9V
FB
BSTSupplyCurrent(switching)
PROTECTION: UVLO
V UVLOStartThreshold
4.00
100
2.3
4.25
200
2.5
4.5
300
2.65
400
1
V
mV
V
CC
V UVLOHysteresis
CC
♦
♦
UVINStartThreshold
UVINHysteresis
200
300
mV
µA
UVINInputCurrent
UVIN=3.0V
ERROR AMPLIFIER REFERENCE
2XGainConfig.,Measure
ErrorAmplifierReference
0.792 0.800 0.808
0.788 0.800 0.812
V
V
VFB;V =5V,T=25ºC
CC
ErrorAmplifierReference
OverLineandTemperature
ErrorAmplifierTransconductance
ErrorAmplifierGain
6
mA/V
60
dB
NoLoad
COMPSinkCurrent
150
150
µA
V =0.9V,COMP=0.9V
FB
COMPSourceCurrent
µA
V =0.7V,COMP=2..2V
FB
V InputBiasCurrent
50
4
200
nA
V =0.8V
FB
FB
InternalPole
MHz
V
COMPClamp
2.5
V =0.7V,TA=25ºC
FB
COM
P
C
l
a
m
p
T
e
m
p
.
C
o
e
f
fi
c
i
e
nt
Rev E: 3/2ꢀ/07
SP7655 Wide Input Voltage Range 8A, 300kHz, Buck Regulator
© 2007 Sipex Corporation
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