MIC4930 datasheet(3/24 Pages) MICROCHIP

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 2016 Microchip Technology Inc.

DS20005669A-page 3

MIC4930

1.0

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings †

PVIN, AVIN Supply Voltage (VIN)................................................................................................................... –0.3V to +6V

SW Output Switch Voltage (VSW).................................................................................................................. –0.3V to VIN

EN, PG (VEN, VPG)........................................................................................................................................ –0.3V to VIN

FB Feedback Input Voltage (VFB) ................................................................................................................ –0.3V to VIN

ESD Protection On All Pins (Note 1) ...............................................................................................................±2 kV HBM

Operating Ratings ††

Supply Voltage (VIN) ................................................................................................................................. +2.7V to +5.5V

Enable Input Voltage (VEN) ............................................................................................................................... 0V to VIN

† Notice:

Exceeding the absolute maximum ratings may damage the device.

†† Notice:

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

Note 1:

Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5 kΩ in series

with 100 pF.

ELECTRICAL CHARACTERISTICS (Note 1)

Electrical Characteristics:

Unless otherwise indicated, VIN = VEN = 3.3V; L = 1.0 μH; TA = 25°C, CIN = 10 μH,

COUT = 10 μH.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Supply Voltage Range

VIN

2.7

—

5.5

V—

Undervoltage lockout

threshold

VUVLO

2.41

2.5

2.61

(turn-on)

Undervoltage lockout

hysteresis

VUVLOH

—

400

—

Quiescent current

—

0.8

IOUT = 0 mA, FB >1.2 ×

VFB(Nominal)

Shutdown current

ISD

—

0.01

μA

VEN = 0V

Feedback voltage

VFB

0.609

0.625

0.640

—

Current limit

ILIMIT

3.5

5.75

FB = 0.9V × VFB(Nominal)

Output voltage line

regulation

LINEREG

—

%/V

VIN = 2.7V to 3.5V, VOUTNOM

= 1.8V,

ILOAD = 20 mA

VIN = 4.5V to 5.5V if

VOUTNOM ≥2.5V,

ILOAD = 20 mA

Note 1:

Specification for packaged product only.

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