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SI9139DG-2818 Datasheet(PDF) 7 Page - Vishay Siliconix

Part # SI9139DG-2818
Description  Multi-Output, Individual On/Off Control Power-Supply Controller
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI9139DG-2818 Datasheet(HTML) 7 Page - Vishay Siliconix

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Si9139
Vishay Siliconix
New Product
Document Number: 71841
S-22317—Rev. A, 16-Dec-02
www.vishay.com
7
TYPICAL WAVEFORMS
VOUT
(20 mV/div)
Inductor Node
(LXB)
(5 V/div)
Inductor Current
(0.5 A/div)
PSM Operation B Converter
10.0
ms/div
VOUT
(20 mV/div)
Inductor Node
(LXB)
(5 V/div)
Inductor Current
(0.5 A/div)
10.0
ms/div
PSM Operation B Converter
VOUT
(20 mV/div)
Load
(1 A/div)
PWM Loading B Converter
50
ms/div
VOUT
(20 mV/div)
50
ms/div
PWM Unloading A Converter
VOUT
(50 mV/div)
PSM to PWM A Converter
50
ms/div
VOUT
(50 mV/div)
50
ms/div
PWM to PSM A Converter
V(VIN = 5.0 V, VOUT = 2.5 V)
(IOUT = 100 mA)
(VIN = 5.0 V, VOUT = 2.5 V)
(IOUT = 1.2 A)
(VIN = 12.0 V, VOUT = 2.5 V)
(1.5 A to 4.0 A )
Load
(1 A/div)
VVIN = 5.0 V, VOUT = 2.0 V
(0.1 A to 3.0 A )
(3 A to 0.1 A )
Load
(1 A/div)
Load
(1 A/div)
(VIN = 12.0 V, VOUT = 2.0 V)
(1.8 A to 4.3 A )
(VIN = 10.0 V, VOUT = 3.3 V)


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