AMC1303E0510 Datasheet, PDF (10/40 Pages) Texas Instruments – Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators with Internal Clock

AMC1303E0510, AMC1303M0510, AMC1303E0520, AMC1303M0520
AMC1303E2510, AMC1303M2510, AMC1303E2520, AMC1303M2520
SBAS771 – JUNE 2017
7.11 Insulation Characteristics Curves
500
1200
AVDD = DVDD = 3.6 V
1100
AVDD = DVDD = 5.5 V
400
1000
900
800
300
700
600
200
500
400
300
100
200
100
0
0
50
100
150
200
T_A (°C)
D001
0
0
50
100
T_A (°C)
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150
200
D002
Figure 3. Thermal Derating Curve for Safety-Limiting
Current per VDE
1E+11
1E+10
1E+9 ^87.5%
1E+8
1E+7
1E+6
1E+5
1E+4
1E+3
1E+2
20%
1E+1
Figure 4. Thermal Derating Curve for Safety-Limiting
Power per VDE
Safety Margin Zone: 1800 VRMS , 254 Years
Operating Zone: 1500 VRMS , 135 Years
TDDB Line (<1 PPM Fail Rate)
Stress Voltage (V_RMS)
T_A up to 150°C, stress-voltage frequency = 60 Hz,
isolation working voltage = 1500 V_RMS, operating lifetime = 135 years
Figure 5. Reinforced Isolation Capacitor Lifetime Projection
10
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