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ISL28025 Datasheet, PDF (16/47 Pages) Intersil Corporation – Precision Digital Power Monitor with Real Time Alerts
ISL28025
Typical Performance Curves TA = +25°C, VCC = 3.3V, VINP = VBUS = 12V, Auxv = 3V, conversion time;
Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128, unless otherwise specified. (Continued)
4.5
4.5
4.0
4.0
3.5
3.5
3.0
3.0
2.5
2.5
2.0
2.0
1.5
1.5
1.0
1.0
0.5
0.5
0
0
GAIN ERROR (%)
FIGURE 33. AUXILIARY VBUS ADC GAIN ERROR
VAUXSHUNT GAIN ERROR TC (ppm/°C)
FIGURE 34. AUXILIARY VBUS ADC GAIN ERROR TC
0.5
0.4
0.3
VCC = 3V
0.2
VCC = 3.3V
0.1
0
-0.1
-0.2
VCC = 5V
-0.3
-0.4
-0.5
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
AUX V (V)
FIGURE 35. AUXILIARY VBUS MEASUREMENT ERROR vs INPUT
0.5
0.4
0.3
VCC = 3.3V
0.2
0.1
0
-0.1
VCC = 5V
-0.2
-0.3
VCC = 3V
-0.4
-0.5
-60 -40 -20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 36. AUXILIARY VBUS MEASUREMENT ERROR vs
TEMPERATURE
1200
MODE = Nrml+OC
1000
MODE = Nrml+UV
800
600
400 MODE = Nrml+OV
MODE = Nrml
200
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 37. SUPPLY CURRENT vs TEMPERATURE
80
70
60
50
40
MODE = ADC PD,
30
MODE = PD
20
10
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 38. POWER-DOWN SUPPLY CURRENT vs TEMPERATURE
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FN8388.3
June 17, 2015