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SI4704DY Datasheet, PDF (4/4 Pages) Vishay Siliconix – Load Switch with Level-Shift
Si4704DY
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
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
10- 4
10- 3
2
1
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Notes:
PDM
t1
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = RthJA = 80_C/W
3. TJM - TA = PDMZthJA(t)
4. Surface Mounted
10- 2
10- 1
1
10
Square Wave Pulse Duration (sec)
Normalized Thermal Transient Impedance, Junction-to-Foot
100
600
Single Pulse
0.01
10- 4
10- 3
10- 2
10- 1
1
10
Square Wave Pulse Duration (sec)
TYPICAL APPLICATION CIRCUIT
5V
5, 6, 7
1.5-V BUS
VIN
Q2
3, 4
S2
8
RL
VHV
2
VON/OFF
Q1
1
S1
www.vishay.com
4
NOTE: Voltage difference between pull-up voltage, 5 V, and BUS voltage, 1.5 V, should be greater than 2.5 V.
Document Number: 71929
S-21293—Rev. A, 05-Aug-02