ISL28023 Datasheet, PDF (23/55 Pages) Intersil Corporation – Bidirectional current sensing

ISL28023
Typical Performance Curves T_A = +25°C, VCC = 3.3V, VINP = VBUS = 12V, AUXP = AUXV = 3V,
VSHUNT = VAUXSHUNT = 80mV, Conversion Time: Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128; unless otherwise specified. (Continued)
0
-0.05
V_CC = 6V
0.12
V_CM = 3.3V
0.10
V_CC = 6V
V_CM = 3.3V
0.08
-0.10
0.06
-0.15
0.04
-0.20
0.02
-0.25
-60 -40 -20
0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 69. AUXILIARY V_SHUNT POWER-DOWN BIAS CURRENT vs
TEMPERATURE
0-60 _{-40 -20}
0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 70. AUXILIARY V_SHUNT POWER-DOWN BIAS CURRENT
OFFSET vs TEMPERATURE
0
MODE = Nmrl
V_CC = 6V
-1
-2
-3
MODE = ADCPD
-4
-5
-6 _{0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0}
V_CM (V)
FIGURE 71. AUXILIARY V_SHUNT BIAS CURRENT vs COMMON-MODE
VOLTAGE
25
20
V_CC = 6V
15
10
5
0
MODE = ADCPD
-5
MODE = Nmrl
-10
-15
-20
-25
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_CM (V)
FIGURE 72. AUXILIARY V_SHUNT BIAS CURRENT OFFSET vs
COMMON-MODE VOLTAGE
0
-0.0002
V_CC = 6V
-0.0004
-0.0006
-0.0008
-0.0010
-0.0012
-0.0014
-0.0016
-0.0018
-0.0020
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_CM (V)
FIGURE 73. AUXILIARY V_SHUNT POWER-DOWN BIAS CURRENT vs
COMMON-MODE VOLTAGE
0.20
0.18
V_CC = 6V
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_CM (V)
FIGURE 74. AUXILIARY V_SHUNT POWER-DOWN BIAS CURRENT
OFFSET vs COMMON-MODE VOLTAGE
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FN8389.5
March 18, 2016