71M6543F Datasheet, PDF (139/157 Pages) Maxim Integrated Products – Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation

71M6543F/H and 71M6543G/GH Data Sheet
6.4.6 V3P3D Switch
Table 96: V3P3D Switch Performance Specifications
Parameter
Condition
Min Typ Max Unit
On resistance – V3P3SYS to V3P3D | I_V3P3D | ≤ 1 mA
On resistance – VBAT to V3P3D
| I_V3P3D | ≤ 1 mA,
VBAT>2.5V
V3P3D I_OH, MSN
V3P3SYS = 3V
V3P3D = 2.9V
10
V3P3D I_OH, BRN
VBAT = 2.6V
V3P3D = 2.5V
10
10
Ω
10
Ω
mA
mA
6.4.7 Internal Power Fault Comparators
Table 97: Internal Power Fault Comparators Performance 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 98: 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
V3P3 = 3.3 V
ILOAD = 0 mA to 5 mA
40
mV
ILOAD = 5 mA,
Voltage overhead V3P3SYS-V2P5 Reduce V3P3D until V2P5
drops 200 mV
440
mV
v1.2
© 2008–2011 Teridian Semiconductor Corporation
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