ISL28023 Datasheet, PDF (21/55 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)
1200
7
MODE = Nmrl+OC
MODE = Nmrl+DACOEn
MODE = Nmrl+UV
6
1000
5
800
4
600
MODE = Nmrl+DACEn
3
400
MODE = Nmrl+OV
MODE = Nmrl
2
MODE = ADC PD,
MODE = PD
200
0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
TEMPERATURE (°C)
FIGURE 57. SUPPLY CURRENT vs SUPPLY VOLTAGE
1
0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
V_CC (V)
FIGURE 58. SUPPLY CURRENT vs SUPPLY VOLTAGE
(POWER-DOWN MODES)
-8.6
-8.8
-9.0
MODE = Nmrl
-9.2
-9.4
MODE = Nmrl+OC
-9.6
-9.8
-60 -40 -20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 59. PRIMARY V_SHUNT BIAS CURRENT vs TEMPERATURE
0
-0.05
-0.10
-0.15
MODE = PD,
MODE = ADCPD
-0.20
-0.25
-0.30-60 _{-40 -20 0 20 40 60 80 100 120 140 160}
TEMPERATURE (°C)
FIGURE 60. PRIMARY V_SHUNT BIAS CURRENT vs TEMPERATURE
(POWER-DOWN MODE)
40
20
0
-20
MODE = Nmrl+OC
-40
-60
MODE = Nmrl
-80
-100
-120
-140
-60 -40 -20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 61. PRIMARY V_SHUNT BIAS CURRENT OFFSET vs
TEMPERATURE
5
MODE = ADCPD
0
-5
-10
MODE = PD
-15
-20
-25
-30
-35
-60 -40 -20
0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
FIGURE 62. PRIMARY V_SHUNT BIAS CURRENT OFFSET vs
TEMPERATURE (POWER-DOWN MODE)
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FN8389.5
March 18, 2016