SI4700DY Vishay, SI4700DY Datasheet

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SI4700DY

Manufacturer Part Number
SI4700DY
Description
Manufacturer
Vishay
Datasheet

Specifications of SI4700DY

Lead Free Status / RoHS Status
Not Compliant
The Si4700DY consists of two MOSFETs configured for use as
a single-pole, double-throw (SPDT) switch. A single ground
referenced input, controls which switch is on. The Si4700DY
is intended for use in applications where two power sources
are available and the circuit must select one of the two
Document Number: 71110
S-00025—Rev. A, 24-Jan-00
MOSFETs Configured To Give Spdt Switch
With One Control Input
2.5- to 8-V Ground Referenced Control Input
30-m
70-m
SOIC-8 Package
3000-V ESD Protection On Control Input
Zero Power Consumption In Alternate Power
Mode
Main Switch On-Resistance
Alternate Switch On-Resistance
V
ON/OFF
G
V
V
S2
S1
R
G
4
8
3
1
Power Selector Switch
Q3
Q1
Q2
ACPI Power Switching In Desktop
Computers
New Product
2
depending on the conditions. An example of such a circuit is
ACPI implementation in computers where part of a circuit must
switch to an “always-on” power supply when the computer is
in suspend mode, but runs off the main power supply for
normal operation.
5, 6, 7
C
O
www.vishay.com FaxBack 408-970-5600
Vishay Siliconix
V
GND
D
Si4700DY
2-1

Related parts for SI4700DY

SI4700DY Summary of contents

Page 1

... ESD Protection On Control Input Zero Power Consumption In Alternate Power Mode The Si4700DY consists of two MOSFETs configured for use as a single-pole, double-throw (SPDT) switch. A single ground referenced input, controls which switch is on. The Si4700DY is intended for use in applications where two power sources ...

Page 2

... Si4700DY Vishay Siliconix Parameter Drain-Source Voltage Drain-Source Voltage Logic Control Input a a Continuous Drain Current Continuous Drain Current b b Pulsed Drain Current Pulsed Drain Current a a Continuous Intrinsic Diode Conduction Continuous Intrinsic Diode Conduction a Maximum Power Dissipation Operating Junction and Storage Temperature Range ...

Page 3

... SO GND 2 Q2 SOURCE 3 Q1 SOURCE 4 Top View Order Number: Si4700DY Pin Number vs. I DROP L 0. 2.5 V ON/OFF V = –4 – 0.21 125 (A) L Document Number: 71110 S-00025—Rev. A, 24-Jan-00 New Product V 8 GATE DRAIN DRAIN 6 L DRAIN 5 H Symbol Description ...

Page 4

... Si4700DY Vishay Siliconix V vs. S DROP 2 0.10 0.08 0. 2.5 V ON/OFF I = – 0. Variation with Input Voltage DS(on) 0.10 0.08 0. 2.5 V ON/OFF I = – 0. vs. I DROP L 1 2.5 V ON/OFF V = 4 0.6 125 C 0.4 0 (A) L www.vishay.com FaxBack 408-970-5600 2-4 New Product V DROP 0.015 V 0 ...

Page 5

... V 0.04 0.03 0.02 0.01 0.00 –0.01 –0. –50 Normalized r 1.6 1.4 1.2 1.0 0.8 0 – 100 0 Si4700DY Vishay Siliconix Variance vs. Junction Temperature DROP V = 2.5 V ON/OFF – 100 125 150 T – Junction Temperature ( C) J vs. Junction Temperature DS(on 2.5 V ON/OFF –25 ...

Page 6

... Si4700DY Vishay Siliconix t Variation with R d(off) 100 ON/OFF 2 Normalized Thermal Transient Impedance, Junction-to-Ambient 2 1 Duty Cycle = 0.5 0.2 0.1 0.1 0.05 0.02 Single Pulse 0.01 –4 – Normalized Thermal Transient Impedance, Junction-to-Foot 2 1 Duty Cycle = 0.5 0.2 0.1 0.1 0.05 0.02 Single Pulse 0 ...

Page 7

... When in normal mode, these circuits run off the main power supply. The Si4700DY contains an n-channel MOSFET and a p-channel MOSFET switch connected together to make a single-pole, double-throw switch. An additional on-board small signal MOSFET provides a ground referenced logic input. ...

Page 8

... Si4700DY Vishay Siliconix +12 V Main Supply Seconday supply Control FIGURE 2. www.vishay.com FaxBack 408-970-5600 2-8 New Product Si4700DY Si4700DY used for ACPI Power Switching Document Number: 71110 S-00025—Rev. A, 24-Jan-00 ...

Page 9

... Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’ ...

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