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FX5545G108 Datasheet(PDF) 3 Page - Vishay Siliconix

Part No. FX5545G108
Description  The Smallest and Low Profile 0.9V to 4.5V, 4A with 570W/in^3 Power Density Efficiency up to 95% DC/DC Buck Converter
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
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FX5545G108 Datasheet(HTML) 3 Page - Vishay Siliconix

   
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Document Number: 10131
For technical questions, contact FunctionPAK@vishay.com
For marketing questions, contact FunctionPAK.marketing@vishay.com
www.vishay.com
Revision: 21-Jan-05
41
FX5545G108
Vishay
*Note: WD = Power Dissipated
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
UNIT
CONDITION
MIN
TYP
MAX
Input
Voltage Range
VDC
2.5
6
Quiescent Current
µA
PSM mode
200
Soft Start Time
ms
TSS
6
SD, PWM/PSM,SYNC
Logic High
V
VH
2.4
Logic Low
V
VL
0.8
Normal Mode
µA
IDD
750
PSM Mode
µA
IDD
250
Shutdown Mode
µA
IDD
1
Shutdown Time
ms
TSS
5.5
Insulation
Test Voltage
VAC
60Hz 60sec
750
Resistance
VISO = 500 VDC
1 x 1011
Leakage Current
nA
VISO = 500 VDC
5
Output
Power
W
15
Voltage
VDC
0.9 to 4.5
Voltage Tolerance
%
at 25 °C Ambient Temperature
- 3
+3
Temp. Coefficient
%/°C
0.03
Ripple and Noise
mVpp
DC to 20 MHz
65
General
Package Weight
gr.
1.4
Oscillator
Frequency
KHz
400
SYNC Range
FSYNC/FOSC
1.2
1.5
Temperature
Operation
°C
- 40
+ 85
Storage
°C
- 55
+ 125
Operating Junction Temp.
°C
Tj
150
Thermal Impedance
°C/WD*
θJA
82


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