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C8051F52x/F53x
30
Rev. 1.4
Table 2.6. Voltage Regulator Electrical Specifications
VDD = 2.1 or 2.6 V; –40 to +125 °C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Input Voltage Range (VREGIN)
C8051F52x/53x
C8051F52xA/53xA
VDD connected to VREGIN
VDD not connected to VREGIN
C8051F52x-C/53x-C
VDD connected to VREGIN
VDD not connected to VREGIN
2.71
1.8
2.22
2.0
2.22
—
5.25
2.7
5.25
2.75
5.25
V
Dropout Voltage (VDO)
Output Current = 1-50 mA
—
10
—
mV/mA
Output Voltage (VDD)
Output Current = 1 to 50 mA
REG0MD = 0
REG0MD = 1
2.0
2.5
2.1
2.6
2.25
2.75
V
Bias Current
2.1 V operation
(REG0MD = 0; T = 25 °C)
2.6 V operation
(REG0MD = 1; T = 25 °C)
—
1
5
A
Dropout Indicator Detection
Threshold
—75—
mV
Output Voltage Temperature
Coefficient
—
0.25
—
mV/C
VREG Settling Time
50 mA load with VREGIN = 2.4 V and
VDD load capacitor of 4.8 F
—250
—
s
Notes:
1. The minimum input voltage is 2.7 V or
VDD + VDO(max load), whichever is greater.
2. The minimum input voltage is 2.2 V or
VDD + VDO(max load), whichever is greater.