71M6541F Maxim, 71M6541F Datasheet - Page 143

• Manufacturer Part Number: 71M6541F
• Description: The 71M6541D/71M6541F/71M6541G/71M6542F/71M6542G are Teridian™ 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

6.4.6 V3P3D Switch
6.4.7 Internal Power Fault Comparators
6.4.8 2.5 V Voltage Regulator – System Power
Rev 2
Parameter
Overall response time
Falling Threshold
Falling Threshold
Hysteresis,
(Rising Threshold - Falling Threshold)
Parameter
On resistance – V3P3SYS to V3P3D
On resistance – VBAT to V3P3D
V3P3D I
V3P3D I
Parameter
V2P5
V2P5 load regulation
Voltage overhead V3P3SYS-V2P5
3.0 V Comparator
2.8 V Comparator
Difference 3.0V and 2.8V Comparators
2.25 V Comparator
2.0 V Comparator
VDD (@VBAT=3.0V) – 2.25V Comparator
Difference 2.25V and 2.0V Comparators
3.0 V Comparator
2.8 V Comparator
2.25 V Comparator
2.0 V Comparator
OH
OH
, MSN
, BRN
Table 103: 2.5 V Voltage Regulator Performance Specifications
Table 102. Internal Power Fault Comparator Specifications
Table 101: V3P3D Switch Performance Specifications
Condition
V3P3 = 3.0 V - 3.8 V
I
VBAT = 3.3 V , V3P3 = 0 V
I
I
Reduce V3P3D until V2P5
drops 200 mV
LOAD
LOAD
LOAD
Condition
| I
| I
VBAT>2.5V
V3P3SYS = 3V
V3P3D = 2.9V
VBAT = 2.6V
V3P3D = 2.5V
V3P3D
V3P3D
= 0 mA
= 0 mA to 1 mA
= 5 mA,
| ≤ 1 mA
| ≤ 1 mA,
Condition
100mV overdrive, falling
100mV overdrive, rising
V3P3 falling
VDD falling
T
A
= 22 °C
71M6541D/F/G and 71M6542F/G Data Sheet
Min
2.55
10
10
Min
2.83
2.75
1.90
0.25
0.15
Min
2.2
20
50
22
25
10
10
Typ
2.65
Typ
2.93
2.81
2.25
2.00
0.35
0.25
Typ
136
45
42
33
28
Max
Max
2.75
440
10
10
40
Max
3.03
2.87
2.20
0.45
0.35
200
200
220
2.5
65
60
60
60
Unit
Unit
mV
mV
mA
mA
Unit
mV
mV
mV
mV
mV
V
Ω
Ω
µs
µs
V
V
V
V
V
V
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