MIC33M350 datasheet(6/32 Pages) MICROCHIP

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MIC33M350

DS20006348B-page 6

 2020-2021 Microchip Technology Inc.

ELECTRICAL CHARACTERISTICS (1)

Electrical Specifications: Unless otherwise specified, PVIN =5V; VOUT = 1.0V, COUT = 47 µF, TA = +25°C.

Boldface values indicate -40°C

 TJ  +125°C.

Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

VIN Supply

Input Range

PVIN

2.4

—

5.5

Undervoltage Lockout

Threshold

UVLO

2.15

2.225

2.35

VSVIN rising

Undervoltage Lockout

Hysteresis

UVLO_H

—

153

—

SVIN falling (Note 3)

Operating Supply Current

IIN0

—60

100

µA

VFB =1.2V, non-switching

Shutdown Current

ISHDN

—1.5

µA

VEN = 0V, PVIN = SVIN = 5.5V,

-40°C

 TJ  +105°C

µA

VEN = 0V, PVIN = SVIN = 5.5V,

-40°C

 TJ  +125°C

Output Voltage

Output Accuracy

VOUT_ACC

0.5910

0.6

0.6090

VVSEL2 = 0; VSEL1 = 0

0.7880

0.8

0.8120

VVSEL2 = 0; VSEL1 = Z

0.8865

0.9

0.9135

VVSEL2 = 0; VSEL1 = 1

0.9850

1.0150

VVSEL2 = Z; VSEL1 = 0

1.1820

1.2

1.2180

VVSEL2 = Z; VSEL1 = Z

1.4775

1.5

1.5225

VVSEL2 = Z; VSEL1 = 1

1.7730

1.8

1.8270

VVSEL2 = 1; VSEL1 = 0

2.4625

2.5

2.5375

VVSEL2 = 1; VSEL1 = Z

3.2505

3.3

3.3495

VVSEL2 = 1; VSEL1 = 1

Line Regulation

—

0.03

—

%VOUT = 1.0V, VIN = 2.5V to 5.5V,

IOUT = 300 mA (Note 3)

Load Regulation

—

0.1

—

%VOUT = 1.0V, IOUT = 0A to 3A

(Note 3)

Enable Control

EN Logic Level High

VEN_H

1.2

—V

VEN rising, regulator enabled

EN Logic Level Low

VEN_L

——

0.4

VVEN falling,

regulator shutdown

EN Low Input Current

IEN_L

—

0.01

500

VEN = 0V

EN High Input Current

IEN_H

—

0.01

500

VEN = 5.5V

Enable Lockout Delay

0.15

0.25

0.4

VSEL Logic Level Control

VSEL1,2 Logic Level High

VSEL_H

1.2

—

VSEL1,2 rising,

regulator enabled

VSEL1,2 Logic Level Low

VSEL_L

—0.4

VSEL1,2 falling,

regulator shutdown

VSEL1,2 Logic Level Open

VSEL_O

—0.8

—

VSEL1,2 falling,

regulator shutdown (Note 3)

VSEL1,2 Low Input Current

IVSEL_L

-1

0.01

µA

VSEL1,2 = 0V

VSEL1,2 High Input Current

IVSEL_H

-1

0.01

µA

VSEL1,2 = 5.5V

Note 1: Specification for packaged product only.

2: Tested in open loop. The closed-loop current limit is affected by the inductance value.

3: Not production tested, data from bench characterization only

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