71M6531D_10 Datasheet, PDF (101/120 Pages) Teridian Semiconductor Corporation – Energy Meter IC

FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
5.4.5 Supply Current
Table 74: Supply Current Performance Specifications
Parameter
Condition
Min Typ Max Unit
V3P3SYS current (CE off)
V3P3SYS current (CE on)
V3P3A current
VBAT current
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
4.2
6.35
mA
8.4
9.6
mA
3.3
3.8
mA
-400
+400 nA
V3P3SYS current,
Write Flash
Normal Operation as above, except
write Flash at maximum rate,
CE_E = 0, ADC_ E = 0
9.1
12
mA
VBAT current
VBAT=3.6V
BROWNOUT mode
71M6531D/F
71M6532D/F
LCD Mode
LCD DAC off
LCD DAC on
SLEEP Mode
52
250
µA
82
250
µA
11
40
µA
21
46
µA
0.7
1.5
µA
5.4.6 V3P3D Switch
Table 75: 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 Unit
9
15
Ω
32
50
Ω
5.4.7 2.5 V Voltage Regulator
Table 76: 2.5 V Voltage Regulator Performance Specifications
Parameter
Condition
Min Typ Max
V2P5
Iload = 0
2.3
2.5
2.7
V2P5 load regulation
Iload = 0 mA to 5 mA
40
Voltage overhead V3P3-V2P5
Iload = 5 mA, reduce V3P3
until V2P5 drops 200 mV
470
PSSR ∆V2P5/∆V3P3
RESET=0, iload=0
-2
+2
Unit
V
mV
mV
mV/V
5.4.8 Low-Power Voltage Regulator
Unless otherwise specified, V3P3SYS = V3P3A = 0, PB=GND (BROWNOUT).
Table 77: Low-Power Voltage Regulator Performance Specifications
Parameter
Condition
Min Typ Max
V2P5
ILOAD = 0
2.3 2.5 2.7
V2P5 load regulation
ILOAD = 0 mA to 1 mA
30
VBAT voltage requirement
ILOAD = 1 mA, reduce VBAT
until REG_LP_OK = 0
3.0
PSRR ΔV2P5/ΔVBAT
ILOAD = 0
-50
50
Unit
V
mV
V
mV/V
v1.3
© 2005-2010 TERIDIAN Semiconductor Corporation
101