SI4750DY Datasheet, PDF (4/8 Pages) Vishay Siliconix – Smart Power High-Side Switch

Si4750DY
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
r_DS(on) vs. V_GS @ 25_C
50
Normalized r_DS(on) vs. Temperature
1.6
1.4
46
1.2
42
1.0
0.8
38
0.6
0.4
34
0.2
30
4.5
5.5
6.5
7.5
8.5
9.5 10.5
V_GS (V)
0.0
−50 −25 0
25 50 75 100 125 150
Temperature (_C)
Typical Input Threshold Voltage
3.0
On
2.5
2.0
1.5
Off
1.0
0.5
0.0
−50
V_bb = 14.5 V
I_L = 2 A
C_L = 10 mF
−25
0
25
50
T_A (_C)
75
100
Typical Standby Current
120
100
14.5 V
80
V_bb = 14.5 V
V_IN = Low
I_L = 2 A
C_L = 10 mF
60
40
Typical Input Current
350
300
V_bb = 14.5 V
I_L = 2 A
C_L = 10 mF
250
200
150
100
50
0
012345678
V_D − Analog Voltage (V)
Initial Peak Current Limit
Under A 2-A Lamp Load
25
V_bb = 14.5 V
20
15
10
5
20
0
−50 −25
0
25
50
T_A (_C)
75
100
0
−50 −25
0
25
50
75
100
T_A (_C)
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4
Document Number: 72219
S-32411—Rev. B, 24-Nov-03