ISL28025 Datasheet, PDF (20/47 Pages) Intersil Corporation – Precision Digital Power Monitor with Real Time Alerts

ISL28025
Typical Performance Curves T_A = +25°C, V_CC = 3.3V, V_INP = V_BUS = 12V, Auxv = 3V, conversion time;
Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128, unless otherwise specified. (Continued)
8
7
6
5
INPUT
4
SMBALERT
3
2
1
0
TEMPERATURE (°C)
FIGURE 57. INTERNAL TEMPERATURE ACCURACY AT T = +25°C
-0.3 -0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5
TIME (µs)
FIGURE 58. OV OR UV OR OC ALERT RESPONSE TIME
80
70
SAMPLE SIZE = 1024
60
50
40
30
20
10
050 _{250 450 650 850 1050 1250 1450 1650 1850 2050}
ADC TIMING (µs)
FIGURE 59. PRIMARY SHUNT STABILITY: STDEV vs ACQUISITION
TIME
500
450
400
350
300
250
200
150
100
50
0
50
SAMPLE SIZE = 1024
250 450 650 850 1050 1250 1450 1650 1850 2050
ADC TIMING (µs)
FIGURE 60. PRIMARY SHUNT STABILITY: RANGE vs ACQUISITION
TIME
12
SAMPLE SIZE = 1024
10
ADC TIMING = 2.048ms
8
6
4
2
0
0 40 80 120 160 200 240 280 320 360 400 440 480 520
INTERNAL AVERAGING
FIGURE 61. PRIMARY SHUNT STABILITY: STDEV vs INTERNAL
AVERAGING
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35
SAMPLE SIZE = 1024
30
ADC TIMING = 2.048ms
25
20
15
10
5
0
0 40 80 120 160 200 240 280 320 360 400 440 480 520
INTERNAL AVERAGING
FIGURE 62. PRIMARY SHUNT STABILITY: RANGE vs INTERNAL
AVERAGING
FN8388.3
June 17, 2015