SI4700DY Datasheet, PDF (3/8 Pages) Vishay Siliconix – Power Selector Switch

PIN CONFIGURATION
New Product
Si4700DY
Vishay Siliconix
V_IN 1
GND 2
Q2 SOURCE 3
Q1 SOURCE 4
SO-8
8 VGATE
7 DRAIN
6 DRAIN
5 DRAIN
Top View
Order Number: Si4700DY
TRUTH TABLE
V_IN
Q1
Q2
L
ON
OFF
H
OFF
ON
PIN DESCRIPTION
Pin Number
Symbol
1
2
3
4
5, 6, 7
8
V_ON/OFF
GND
Q2 SOURCE
Q1 SOURCE
DRAIN
V_GATE
Description
Logic Input Signal
Ground (reference for logic input and power ground)
Input for alternate power
Input for main power
Output
Gate drive voltage via pull-up resistor
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
N-CHANNEL
0.35
0.28
0.21
0.14
0.07
V_DROP vs. I_L
V_ON/OFF = 2.5 V
V_S2 = –4.5 V
I_L = –1 A
125_C
25_C
0
0
2
4
6
8
10
I_L (A)
0.25
0.20
0.15
0.10
V_DROP vs. I_L
V_ON/OFF = 2.5 V
V_S2 = –2.5 V
I_L = –1 A
125_C
0.05
0
0
1
2
3
I_L (A)
25_C
4
5
Document Number: 71110
S-00025—Rev. A, 24-Jan-00
www.vishay.com S FaxBack 408-970-5600
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