71M6541D Datasheet, PDF (143/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
6.4.6 V3P3D Switch
Table 101: V3P3D Switch Performance Specifications
Parameter
On resistance – V3P3SYS to V3P3D
On resistance – VBAT to V3P3D
V3P3D I_OH, MSN
V3P3D I_OH, BRN
Condition
| I_V3P3D | ≤ 1 mA
| I_V3P3D | ≤ 1 mA,
VBAT>2.5V
V3P3SYS = 3V
V3P3D = 2.9V
VBAT = 2.6V
V3P3D = 2.5V
Min Typ Max Unit
10
Ω
10
Ω
10
mA
10
mA
6.4.7 Internal Power Fault Comparators
Table 102. Internal Power Fault Comparator Specifications
Parameter
Condition
Min Typ Max Unit
Overall response time
Falling Threshold
3.0 V Comparator
2.8 V Comparator
Difference 3.0V and 2.8V Comparators
Falling Threshold
2.25 V Comparator
2.0 V Comparator
VDD (@VBAT=3.0V) – 2.25V Comparator
Difference 2.25V and 2.0V Comparators
Hysteresis,
(Rising Threshold - Falling Threshold)
3.0 V Comparator
2.8 V Comparator
2.25 V Comparator
2.0 V Comparator
100mV overdrive, falling 20
100mV overdrive, rising
200 µs
200 µs
V3P3 falling
2.83 2.93 3.03 V
2.75 2.81 2.87 V
50 136 220 mV
VDD falling
2.2 2.25 2.5
V
1.90 2.00 2.20 V
0.25 0.35 0.45 V
0.15 0.25 0.35 V
T_A = 22 °C
22 45 65 mV
25 42 60 mV
10 33 60 mV
10 28 60 mV
6.4.8 2.5 V Voltage Regulator – System Power
Table 103: 2.5 V Voltage Regulator Performance Specifications
Parameter
Condition
Min Typ Max Unit
V2P5
V3P3 = 3.0 V - 3.8 V
ILOAD = 0 mA
2.55 2.65 2.75
V
V2P5 load regulation
VBAT = 3.3 V , V3P3 = 0 V
ILOAD = 0 mA to 1 mA
40
mV
ILOAD = 5 mA,
Voltage overhead V3P3SYS-V2P5 Reduce V3P3D until V2P5
drops 200 mV
440
mV