C8051F521-C-IM View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

C8051F521-C-IM

8/4/2 kB ISP Flash MCU Family

Silicon Laboratories 

C8051F52x/F53x

Table 2.6. Voltage Regulator Electrical Specifications

VDD = 2.1 or 2.6 V; –40 to +125 °C unless otherwise specified.

Parameter

Conditions

Min

Input Voltage Range (VREGIN) C8051F52x/53x

2.71

C8051F52xA/53xA

VDD connected to VREGIN

1.8

VDD not connected to VREGIN

2.22

C8051F52x-C/53x-C

Dropout Voltage (VDO)

Output Voltage (VDD)

VDD connected to VREGIN

2.0

VDD not connected to VREGIN

2.22

Output Current = 1-50 mA

—

Output Current = 1 to 50 mA

REG0MD = 0

2.0

REG0MD = 1

2.5

Bias Current

2.1 V operation 

—

(REG0MD = 0; T = 25 °C)

2.6 V operation 

—

(REG0MD = 1; T = 25 °C)

Dropout Indicator Detection

—

Threshold

Output Voltage Temperature

—

Coefficient

VREG Settling Time

50 mA load with VREGIN = 2.4 V and

—

VDD load capacitor of 4.8 µF

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.

Typ

—

—

—

—

—

10

2.1

2.6

1

1

75

0.25

250

Max Units

5.25 V

2.7

5.25

2.75

5.25

— mV/mA

V

2.25

2.75

5

µA

5

— mV

— mV/ºC

—

µs

30

Rev. 1.4

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