MCP1711 datasheet(4/36 Pages) MICROCHIP

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MCP1711

DS20005415C-page 4

 2015-2016 Microchip Technology Inc.

Output Voltage

Temperature Stability

VOUT/

(

T x VOUT)

—

±50

—

ppm/°C IOUT = 10 mA

-40°C

 TA  +85°C

Current Limit

ILIMIT

150

270

—

VOUT = 0.95 x VR

Output Short-Circuit

Foldback Current

IOUT_SC

—80

—

VOUT = GND

COUT Auto-Discharge

Resistance

RDCHG

280

450

640



SHDN = GND

VOUT = VR

Noise

—

µV(rms) CIN = COUT = 1 µF, IOUT = 50

mA, f = 10 Hz to 100 kHz

Shutdown Input

SHDN Logic High Input

Voltage

VSHDN-HIGH

0.91

—

6.00

SHDN Logic Low Input

Voltage

VSHDN-LOW

—

0.38

SHDN High-Level Current

ISHDN-HIGH

-0.1

—

+0.1

µA

VIN = 6.0V

SHDN Low-Level Current

ISHDN-LOW

-0.1

—

+0.1

µA

VIN = 6.0V

SHDN = GND

DC CHARACTERISTICS (CONTINUED)

Electrical Characteristics: Unless otherwise indicated, VSHDN = VIN, IOUT = 1 mA, CIN = COUT = 0 µF, VIN = 3.5V for

VR < 2.5V and VIN = VR + 1V for VR  2.5V, TA = +25°C

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1: The dropout voltage is defined as the input to output differential at which the output voltage drops 2%

below the output voltage value that was measured with an applied input voltage of VIN = VR + 1V.

2: VDROP1, VDROP2: Dropout Voltage (Refer to the DC Characteristics Voltage Table).

DC CHARACTERISTICS VOLTAGE TABLE

Nominal

Output

Voltage

Output Voltage (V)

Dropout Voltage (V)

VOUT

VDROP1

VDROP2

VR (V)

Min.

Max.

Typ.

Max.

Typ.

Max.

1.2

1.1800

1.2200

0.87

1.23

1.41

1.93

1.8

1.7800

1.8200

0.47

0.72

0.99

1.40

2.2

2.1780

2.2220

0.31

0.47

0.75

1.05

2.5

2.4750

2.5250

0.26

0.40

0.67

0.92

3.0

2.9700

3.0300

0.17

0.26

0.50

0.67

3.3

3.2670

3.3330

0.17

0.26

0.50

0.67

5.0

4.9500

5.0500

0.10

0.16

0.32

0.43

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