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SP7663 Fiches technique(PDF) 3 Page - Sipex Corporation

No de pièce SP7663
Description  Wide Input Voltage Range 6A, 600kHz, Buck Regulator
PDF  19 Pages
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Fabricant  SIPEX [Sipex Corporation]
Site Internet  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7663 Fiches technique(HTML) 3 Page - Sipex Corporation

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3
Feb2-07 Rev O
SP7663 Wide Input Voltage Range 6A, 600kHz Buck Regulator
© 2007 Sipex Corporation
ELECTRICAL SPECIFICATIONS
SpecificationsareforTAMB = TJ = 25°C, and those denoted by ♦ apply over the full operating range, -40°C< Tj< 25°C. Unless
otherwisespecified:4.5V<Vcc<5.5V,3V<ViN < 22V, BST = LX + 5V, UVIN = 3V, CVCC = µF, CCOMP = 0.µF, Css = 50nF.
PARAMETER
MIN TYP MAX UNITS ♦
CONDITIONS
CONTROL LOOP: PWM COMPARATOR, RAMP & LOOP DELAY PATH
Ramp Amplitude
0.80 .00
.20
V
♦
RAMPOffset
.7
2.0
2.3
V
♦
Ramp offset Temperature
Coefficient
-2
mV/
°C
GHMinimumPulseWidth
50
80
ns
♦
MaximumControllable
Duty Ratio
92
97
%
♦
MaximumDutyRatio
00
%
♦
Valid for 20 cycles
Internal Oscillator Ratio
50 600
690
kHZ
♦
TIMERS: SOFTSTART
SSChargeCurrent:
-6
-0
-4.0
µA
♦
SSDischargeCurrent:
.0
2.0
3.0
mA
♦
Fault Present,
SS=0.2V
PROTECTION: SHORT CIRCUIT, OVERCURRENT & THERMAL
Short Circuit Threshold
Voltage
0.2
0.25
0.3
V
♦
Hiccup Timeout
220
ms
♦
VfB=0.5V
Overcurrent Threshold
Voltage
54
60
66
mV
MeasuredISP-ISN
ISP,ISNCommonMode
Range
0
3.6
V
Thermal Shutdown
Temperature
35
45
55
°C
Guaranteedbydesign
Thermal Recovery
Temperature
35
°C
Thermal Hysteresis
0
°C
OUTPUT: POWER STAGE
High Side Switch RDSON
6.8
20.5
mΩ
VGS=4.5V; IDrAiN=5A;
TAMB=25°C
Synchronous Low Side
Switch RDSON
6.8
20.5
mΩ
VGS=4.5V; IDrAiN=5A;
TAMB=25°C
MaximumOutput
Current
6
A
♦



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