Datasheet

71M6521DE/DH/FE Data Sheet
Page: 92 of 107 Rev 3
SUPPLY CURRENT
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
V3P3A + V3P3SYS current
Normal Operation,
V3P3A=V3P3SYS=3.3 V
MPU_DIV=3 (614kHz) CKOUT_E=00,
CE_EN=1,
RTM_E=0, ECK_DIS=1, ADC_E=1,
ICE_E=0
6.1 7.7 mA
VBAT current
-300 +300 nA
V3P3A + V3P3SYS current vs.
MPU clock frequency
Same conditions as above 0.5
mA/
MHz
V3P3A + V3P3SYS current,
write flash
Normal Operation as above, except write
flash at maximum rate, CE_E=0,
ADC_E=0
9.1 10 mA
VBAT current
†
VBAT=3.6 V
BROWNOUT mode, <25°C
BROWNOUT mode, >25°C
LCD Mode, 25°C
LCD mode, over temperature
SLEEP Mode, 25°C
Sleep mode, over temperature
48
65
1
5.7
2.9
120
150
1
8.5
15
1
5.0
10
1
µA
µA
µA
µA
µA
µA
†
Current into V3P3A and V3P3SYS pins is not zero if voltage is applied at these pins in brownout, LCD or sleep
modes.
1
Guaranteed by design; not production tested.
V3P3D SWITCH
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
On resistance – V3P3SYS to V3P3D
| I
V3P3D
| ≤ 1 mA
10
Ω
On resistance – VBAT to V3P3D
| I
V3P3D
| ≤ 1 mA
40
Ω
2.5 V VOLTAGE REGULATOR
Unless otherwise specified, load = 5 mA
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Voltage overhead V3P3-V2P5
Reduce V3P3 until V2P5
drops 200mV
440 mV
PSSR ∆V2P5/∆V3P3
RESET=0, iload=0
-3
+3
mV/V
LOW POWER VOLTAGE REGULATOR
Unless otherwise specified, V3P3SYS=V3P3A=0, PB=GND (BROWNOUT)
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
V2P5
ILOAD=0
2.0
2.5
2.7
V
V2P5
load regulation
ILOAD=0 MA to 1 mA1 mA
30 mV
VBAT voltage requirement
I
LOAD
=1
M
A,
Reduce VBAT until
REG_LP_OK=0
3.0 V
PSRR ΔV2P5/ΔVBAT
ILOAD=0
-50
50
mV/V