DS_6612_001
78M6612 Data Sheet
Supply Current
Parameter
Condition
Normal Operation,
V3P3A=V3P3SYS=3.3V
MPU_DIV[1:0]=3 (614 kHz)
CKOUT_E[1:0]=00, CE_EN=1,
RTM_E=0, ECK_DIS=1, ADC_E=1,
ICE_E=0
Min
Typ
Max
Unit
V3P3A + V3P3SYS current
6.1
7.7
mA
VBAT current
-300
+300
nA
V3P3A + V3P3SYS current
vs. MPU clock frequency
mA/
MHz
Same conditions as above
0.5
9.1
Normal Operation as above,
except write Flash at maximum
rate, CE_E=0, ADC_E=0
V3P3A + V3P3SYS current,
10
mA
Write Flash
VBAT=3.6V
BROWNOUT mode, <25°C
BROWNOUT mode, <>5°C
µA
µA
48
65
120
150
VBAT current †
µA
µA
µA
µA
LCD Mode, 25 °C
LCD mode, over temperature
SLEEP Mode, 25 °C
5.7
2.9
8.5
15
5.0
10
Sleep mode, over temperature
†Current into V3P3A and V3P3SYS pins is not zero if voltage is applied at these pins in brownout, LCD
or sleep modes.
5.4.6 V3P3D Switch
Parameter
Condition
Min
Typ
Max
10
Unit
Ω
On resistance – V3P3SYS to V3P3D | IV3P3D | ≤ 1 mA
On resistance – VBAT to V3P3D
| IV3P3D | ≤ 1 mA
40
Ω
5.4.7 2.5V Voltage Regulator
Unless otherwise specified, load = 5 mA
Parameter
Condition
Min
Typ
Max
440
+3
Unit
mV
Reduce V3P3 until
V2P5 drops 200 mV
Voltage overhead V3P3-V2P5
PSSR ∆V2P5/∆V3P3
RESET=0, iload=0
-3
mV/V
5.4.8 Low Power Voltage Regulator
Unless otherwise specified, V3P3SYS=V3P3A=0
Parameter
Condition
Min
Typ
Max
2.7
30
Unit
V
V2P5
ILOAD=0
2.0
2.5
V2P5 load regulation
ILOAD=0 mA to 1 mA
mV
ILOAD=1 mA,
VBAT voltage requirement
Rev. 1.2
Reduce VBAT until
REG_LP_OK=0
3.0
V
93