ISL6146_15 Datasheet, PDF (9/28 Pages) Intersil Corporation – Low Voltage OR-ing FET Controller

ISL6146
Typical Performance Curves
4.0
18V ENABLED
12V ENABLED
3.5
3V ENABLED
3.0
2.5
18V DISABLED
12V DISABLED
2.0
3V DISABLED
1.5
40
V_IN CURRENT
35
30
25
18V DISABLED
12V DISABLED
20
3V DISABLED
15
18V ENABLED
12V ENABLED
3V ENABLED
V_OUT CURRENT
1.0
-40
25
85
125
TEMPERATURE (°C)
FIGURE 3. ISL6146A/B/D/E BIAS AND ISL6146C V_IN CURRENT vs
TEMPERATURE
10
-40
25
85
125
TEMPERATURE (°C)
FIGURE 4. ISL6146A/B/C/D/E V_IN AND V_OUT CURRENT vs
TEMPERATURE
35
BIAS = 18V
30
25
BIAS = 12V
20
15
BIAS = 3V
10
5
0
-40
25
85
125
TEMPERATURE (°C)
FIGURE 5. GATE VOLTAGE vs TEMPERATURE
2.60
2.55
2.50
2.45
POR Vth RISING
2.40
2.35
2.30
2.25
2.20
POR Vth FALLING
2.15
2.10
2.05
-40
25
85
125
TEMPERATURE (°C)
FIGURE 6. POR Vth RISING AND FALLING VOLTAGE
0.70
0.65
EN ASSERT RISING Vth
0.60
0.55
EN DEASSERT FALLING Vth
0.50
0.45
0.40
-40
25
85
125
TEMPERATURE (°C)
FIGURE 7. ISL6146A/D EN Vth vs TEMPERATURE
0.74
0.72 _{EN DEASSERT RISING Vth}
0.70
0.68
0.66
0.64
0.62
0.60
EN ASSERT FALLING Vth
0.58
0.56
0.54
-40
25
85
125
TEMPERATURE (°C)
FIGURE 8. ISL6146B/E EN Vth vs TEMPERATURE
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9
FN7667.5
August 17, 2015