MIC33M656 datasheet(6/46 Pages) MICROCHIP

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MIC33M656

DS20006256A-page 6

 2019 Microchip Technology Inc.

ELECTRICAL CHARACTERISTICS(1,2)

Electrical Specifications: Unless otherwise specified, PVIN =5V; VOUT = 1.0V; COUT =2 x47µF; TA =+25°C.

Boldface values indicate -40°C

 TJ  +125°C.

Parameter

Symbol

Min.

Typ.

Max.

Units

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

Operating Supply Current

IIN0

—60

100

µA

VFB = 1.2V, non-switching

Shutdown Current

ISHDN

—1.5

µA

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

VSW = VSDA= VSCL = 0V,

-40°C

TJ  +105°C

µA

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

VSW = VSDA= VSCL = 0V,

-40°C

TJ  +125°C

Output Voltage

Output Accuracy

VOUT_ACC

-1.5

—

1.5

%VOUT from 0.6V to 1.28V (includes

line and load regulation)

Output Voltage Step

(options HAYMP, FAYMP)

VOUT_STEP

—5

—

VOUT from 0.6V to 1.28V

Output Voltage Step

(option SAYMP)

VOUT_STEP

—10

—

VOUT from 0.6V to 1.28V

—20

—

VOUT from 1.28V to 3.84V

Line Regulation

—

0.06

—

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

IOUT = 300 mA

Load Regulation

—

0.2

—

VOUT = 1.0V, IOUT = 0A to 6A

Enable Control

EN Logic Level High

VEN_H

1.2

——

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 Delay (Two Bits)

Enable Lockout Delay

0.15

0.25

0.4

EN_DELAY[1:0] = 00, default

0.85

1.20

EN_DELAY[1:0] = 01

1.70

2.35

EN_DELAY[1:0] = 10

2.55

3.5

EN_DELAY[1:0] = 11

Note 1:

Specification for packaged product only.

Characterized in open loop.

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