MIC4930 datasheet(4/24 Pages) MICROCHIP

номер детали	MIC4930

подробное описание детали	Hyper Speed Control짰 3A Buck Regulator

PDF	24 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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4 / 24 page

MIC4930

DS20005669A-page 4

 2016 Microchip Technology Inc.

Output voltage load

regulation

LOADREG

—

0.3

—

20 mA < ILOAD < 500 mA,

VIN = 3.6V if VOUTNOM < 2.5V

20 mA < ILOAD < 500 mA,

VIN = 5.0V if

VOUTNOM ≥ 2.5V

—1

—

20 mA < ILOAD < 3A,

VIN = 3.6V

if VOUTNOM < 2.5V

20 mA < ILOAD < 3 mA,

VIN = 5.0V

if VOUTNOM ≥ 2.5V

PWM switch ON

resistance

RDSON-P

—30

—

mΩ

ISW = 1A P-Channel

MOSFET

RDSON-N

—25

—

ISW = 1A N-Channel

MOSFET

Maximum turn-on time

tON

—

665

—

VIN = 4.5V, VFB = 0.5V

—

1000

—

VIN = 3.0V, VFB = 0.5V

—

1120

—

VIN = 2.7V, VFB = 0.5V

Minimum turn-off time

tOFF

—

176

—

VIN = 3.0V, VFB = 0.5V

Soft-start time

tSOFT-ON

—

500

—

μsVOUT = 90% of VOUTNOM

Enable threshold

VEN

0.5

0.8

1.2

Turn-on

Enable input current

IEN

0.1

μA—

Power Good threshold

VOUTPG

Rising

Power Good hysteresis

VOUTPGH

—7

—

Overtemperature

shutdown

TSD

150

°C

—

Overtemperature

shutdown hysteresis

TSDH

°C

—

ELECTRICAL CHARACTERISTICS (CONTINUED)(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

Note 1:

Specification for packaged product only.

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