71M6531D Datasheet, PDF (98/115 Pages) Teridian Semiconductor Corporation – Energy Meter IC

Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
5.4.5 Supply Current
Table 68: Supply Current Performance Specifications
Parameter
V3P3SYS current (CE off)
V3P3SYS current (CE on)
V3P3A current
VBAT current
Condition
Normal Operation,
V3P3A = V3P3SYS = 3.3 V
CKMPU = 614 kHz
No Flash Memory write
RTM_E=0, ECK_DIS=1,
ADC_E=1, ICE_E=0
Min Typ Max
4.2
6.35
8.4
9.6
3.3
3.8
-400
+400
V3P3SYS current,
Write Flash
Normal Operation as above, ex-
cept write Flash at maximum rate,
CE_E = 0, ADC_ E = 0
9.1
12
VBAT current
VBAT=3.6V
BROWNOUT mode
71M6531D/F
71M6532D/F
LCD Mode
LCD DAC off
LCD DAC on
SLEEP Mode
52
250
82
250
11
40
21
46
0.7
1.5
5.4.6 V3P3D Switch
Table 69: V3P3D Switch Performance Specifications
Parameter
On resistance – V3P3SYS to V3P3D
On resistance – VBAT to V3P3D
Condition
| I_V3P3D | ≤ 1 mA
| I_V3P3D | ≤ 1 mA
Min Typ Max
9
15
32
50
5.4.7 2.5 V Voltage Regulator
Table 70: 2.5 V Voltage Regulator Performance Specifications
Parameter
V2P5
V2P5 load regulation
Voltage overhead V3P3-V2P5
PSSR ∆V2P5/∆V3P3
Condition
Min Typ Max
Iload = 0
2.3
2.5
2.7
Iload = 0 mA to 5 mA
40
Iload = 5 mA, reduce V3P3
470
until V2P5 drops 200 mV
RESET=0, iload=0
-2
+2
5.4.8 Low-Power Voltage Regulator
Unless otherwise specified, V3P3SYS = V3P3A = 0, PB=GND (BROWNOUT).
Table 71: Low-Power Voltage Regulator Performance Specifications
Parameter
V2P5
V2P5 load regulation
VBAT voltage requirement
PSRR ΔV2P5/ΔVBAT
Condition
Min Typ Max
ILOAD = 0
2.3 2.5 2.7
ILOAD = 0 mA to 1 mA
30
ILOAD = 1 mA, reduce VBAT
3.0
until REG_LP_OK = 0
ILOAD = 0
-50
50
Unit
mA
mA
mA
nA
mA
µA
µA
µA
µA
µA
Unit
Ω
Ω
Unit
V
mV
mV
mV/V
Unit
V
mV
V
mV/V
98
© 2005-2009 TERIDIAN Semiconductor Corporation
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