LT1158
TYPICAL PERFORMANCE CHARACTERISTICS
Current Limit Inhibit
VDS Threshold
Bottom Gate Rise Time
Bottom Gate Fall Time
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
400
350
300
250
200
150
100
50
400
350
300
250
200
150
100
50
V2 – V11
C
= 10000pF
GATE
C
= 10000pF
GATE
–40°C
+25°C
+85°C
C
= 3000pF
= 1000pF
C
= 3000pF
= 1000pF
GATE
GATE
C
GATE
C
GATE
0
0
5
15 20 25
SUPPLY VOLTAGE (V)
35
5
15 20 25
SUPPLY VOLTAGE (V)
35
0
10
30
40
0
10
30
40
0
20
30 35
5
10 15
25
40
SUPPLY VOLTAGE (V)
LT1158 G11
LT1158 G12
LT1158 G10
Top Gate Rise Time
Top Gate Fall Time
Transition Times vs RGate
800
700
400
350
300
250
200
150
100
50
400
350
300
250
200
150
100
50
+
V
C
= 12V
= 3000pF
GATE
C
GATE
= 10000pF
600
500
400
300
C
= 10000pF
GATE
RISE TIME
C
= 3000pF
= 1000pF
GATE
FALL TIME
C
= 3000pF
= 1000pF
GATE
200
100
0
C
GATE
C
GATE
0
0
5
15 20 25
10
SUPPLY VOLTAGE (V)
35
5
15 20 25
10
SUPPLY VOLTAGE (V)
35
70
80 90 100
0
30
40
0
30
40
0
10 20 30 40 50 60
GATE RESISTANCE (Ω)
LT1158 G13
LT1158 G14
LT1158 G15
1158fb
5