MIC5321 datasheet(4/26 Pages) MICROCHIP

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MIC5321

DS20006678A-page 4



2022 Microchip Technology Inc. and its subsidiaries

Enable Inputs (EN)

Enable Input Voltage

VIL

—

0.2

Logic Low

VIH

1.1

—

Logic High

Enable Input Current

IIL

—

0.01

µA

VIL ≤ 0.2V

IIH

—

0.01

VIH ≥ 1.0V

Turn-On Time

(LDO1 and LDO2)

tON

—

100

µs

COUT = 1.0 µF; No CBYP

—

100

COUT = 1.0 µF; CBYP = 0.01 µF

Note 1: Specification for packaged product only.

2: Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its

nominal VOUT. For outputs below 2.3V, the dropout voltage is the input-to-output differential with the mini-

mum input voltage 2.3V.

TEMPERATURE SPECIFICATIONS

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Temperature Ranges

Operating Junction Temperature

Range

–40

—

+125

°C

Note 1

Lead Temperature

TLEAD

—

+260

°C

Soldering, 3 sec.

Storage Temperature

–65

—

+150

°C

—

Package Thermal Resistances

Thermal Resistance, UDFN/WDFN

6-Ld

JA

—

100

—

°C/W —

Thermal Resistance, TSOT-23 6-Ld

JA

—

235

—

°C/W —

Note 1: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable

junction temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the

maximum allowable power dissipation will cause the device operating junction temperature to exceed the

maximum +125°C rating. Sustained junction temperatures above +125°C can impact the device reliability.

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: VIN = EN = VOUT + 1.0V; higher of the two regulator outputs, IOUTLDO1 = IOUTLDO2 =

100 µA; COUT1 = COUT2 = 1 µF; CBYP = 0.01 µF; TJ = 25°C, bold values valid for –40°C ≤ TJ ≤ +125°C, unless noted.

(Note 1)

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

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