MIC5237 datasheet(3/18 Pages) MICROCHIP

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DS20006095B-page 3

MIC5237

1.0

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings †

Supply Input Voltage (VIN) .......................................................................................................................... –20V to +20V

Power Dissipation (PD) (Note 1) ............................................................................................................Internally Limited

Operating Ratings ‡

Supply Input Voltage (VIN) ......................................................................................................................... +2.5V to +16V

† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of the device at those or any other conditions above those indicated

in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended

periods may affect device reliability.

‡ Notice: The device is not guaranteed to function outside its operating ratings.

Note 1: The maximum allowable power dissipation at any TA (ambient temperature) is calculated using: PD(max) =

(TJ(max) – TA) ÷ θJA. Exceeding the maximum allowable power dissipation will result in excessive die tem-

perature, and the regulator will go into thermal shutdown.

ELECTRICAL CHARACTERISTICS

Electrical Characteristics: VIN = VOUT + 1.0V; COUT = 4.7 µF; IOUT = 100 µA; TJ = +25°C, bold values indicate

–40°C ≤ TJ ≤ +125°C; unless noted.

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Output Voltage Accuracy

VOUT

–3

—

Variation from nominal VOUT.

–5

—

Output Voltage Temperature

Coefficient

∆VOUT/∆T

—

ppm/°C Note 1

Line Regulation

∆VOUT/

VOUT

—

0.05

%/V

VIN = VOUT + 1V to 16V

—

0.015

0.1

Load Regulation

∆VOUT/

VOUT

—

0.05

0.5

IOUT = 100 µA to 500 mA, Note 2

—

0.7

Dropout Voltage, Note 3

VIN –

VOUT

—

IOUT = 100 µA

—

115

190

IOUT = 50 mA

—

280

—

165

350

IOUT = 150 mA

—

450

—

300

600

IOUT = 500 mA

—

700

Ground Pin Current, Note 4

IGND

—

130

µA

IOUT = 100 µA

—

170

µA

—

350

650

µA

IOUT = 50 mA

—

900

µA

—

1.8

2.5

IOUT = 150 mA

—

3.0

—

IOUT = 500 mA

—

Ripple Rejection

PSRR

—

f = 120 Hz

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