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SP7650 Fiches technique(PDF) 2 Page - Sipex Corporation

No de pièce SP7650
Description  Wide Input Voltage Range 3A, 300kHz, Buck Regulator
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Fabricant  SIPEX [Sipex Corporation]
Site Internet  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7650 Fiches technique(HTML) 2 Page - Sipex Corporation

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2
Date: /5/06
SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator
© Copyright 2006 Sipex Corporation
2
Date: 2/16/06
SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator
© Copyright 2006 Sipex Corporation
ELECTRICAL SPECIFICATIONS
Unless otherwise specified: -40°C < TAMB < 85°C, -40°C< Tj< 125°C, 4.5V < VCC < 5.5V, 3V< Vin< 28V, BST=LX + 5V, LX =
GND = 0.0V, UVIN = 3.0V, CVCC = 1µF, CCOMP = 0.1µF, CSS = 50nF, Typical measured at VCC = 5V. The denotes the
specifications which apply over the full temperature range, unless otherwise specified.
VCC ................................................................................................... 7V
VIN ........................................................................................................................................... 30V
ILX ............................................................................................................................................... 5A
BST ............................................................................................... 35V
LX-BST ............................................................................. -0.3V to 7V
LX ....................................................................................... -1V to 30V
All other pins .......................................................... -0.3V to VCC+0.3V
Storage Temperature .................................................. -65°C to 150°C
Power Dissipation ...................................... Internally Limited via OTP
ESD Rating .......................................................................... 2kV HBM
Thermal Resistance JC .................................................................................... 5°C/W
ABSOLUTE MAXIMUM RATINGS
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
QUIESCENT CURRENT
V
CC
Supply Current (No switching)
1.5
3
mA
VFB = 0.9V
V
CC
Supply Current (switching)
4
6
mA
BST Supply Current (No switching)
0.2
0.4
mA
VFB = 0.9V
BST Supply Current (switching)
4
4
6
mA
PROTECTION: UVLO
V
CC
UVLO Start Threshold
4.00
4.25
4.5
V
V
CC UVLO Hysteresis
100
200
300
mV
UVIN Start Threshold
2.3
2.5
2.65
V
UVIN Hysteresis
200
300
400
mV
UVIN Input Current
1
µA
UVIN = 3.0V
ERROR AMPLIFIER REFERENCE
Error Amplifier Reference
0.792
0.800
0.808
V
2X Gain Config., Measure
VFB; V
CC = 5 V, T = 25˚C
Error Amplifier Reference
Over Line and Temperature
0.788
0.800
0.812
V
Error Amplifier Transconductance
6
mA/V
Error Amplifier Gain
60
dB
No Load
COMP Sink Current
150
µA
VFB= 0.9V, COMP = 0.9V
COMP Source Current
150
µA
VFB= 0.7V, COMP = 2.2V
VFB Input Bias Current
50
200
nA
VFB= 0.8V
Internal Pole
4
MHz
COMP Clamp
2.5
V
VFB= 0.7V, TA = 25˚C
COMP Clamp Temp. Coefficient
-2
mV/˚C
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the
specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.


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