78M6618 Data Sheet DS_6618_005
18 Rev. 1.4
2.4.7 2.5 V Voltage Regulator
Table 11: 2.5 V Voltage Regulator Performance Specifications
Parameter Condition Min Typ Max Unit
V2P5 Iload = 0 2.3 2.5 2.7 V
V2P5 load regulation Iload = 0 mA to 5 mA 40 mV
Voltage overhead V3P3-V2P5
Iload = 5 mA, reduce V3P3
until V2P5 drops 200 mV
470 mV
PSSR ∆V2P5/∆V3P3
RESET=0, iload=0 -2 +2 mV/V
2.4.8 Low-Power Voltage Regulator
Unless otherwise specified, V3P3SYS = V3P3A = 0.
Table 12: Low-Power Voltage Regulator Performance Specifications
Parameter Condition Min Typ Max Unit
V2P5 ILOAD = 0 2.3 2.5 2.7 V
V2P5 load regulation ILOAD = 0 mA to 1 mA 30 mV
VBAT voltage requirement
I
LOAD = 1 mA, reduce VBAT
until REG_LP_OK = 0
3.0 V
PSRR ΔV2P5/ΔVBAT ILOAD = 0 -50 50 mV/V
2.4.9 Crystal Oscillator
Table 13: Crystal Oscillator Performance Specifications
Parameter Condition Min Typ Max Unit
Maximum Output Power to Crystal
4
Crystal connected 1
µW
XIN to XOUT Capacitance
3 pF
Capacitance to DGND
XIN
XOUT
RTCA_ADJ = 0
5
5
pF
pF
2.4.10 LCD DAC
Table 14: LCD DAC Performance Specifications
Parameter Condition Min Typ Max Unit
VLCD Voltage
V019.0LCD_DAC)059.
01(3P3VV
LCD
−⋅−⋅=
1 ≤ LCD_DAC ≤ 7
-10 +10 %