MIC33M656 datasheet(8/46 Pages) MICROCHIP

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MIC33M656

DS20006256A-page 8

 2019 Microchip Technology Inc.

Short-Circuit Protection

High-Side MOSFET Forward

Current Limit

ILIM_HS

2.1

3.5

4.9

ILIM[1:0] = 00

4.0

5.0

6.5

ILIM[1:0] = 01

6.4

8.5

10.6

ILIM[1:0] = 10

8.0

10.0

12.0

ILIM[1:0] = 11, default

Low-Side MOSFET Forward

Current Limit

ILIM_LS

—

3.0

—

ILIM[1:0] = 00

—

4.2

—

ILIM[1:0] = 01

—

6.8

—

ILIM[1:0] = 10

—

8.0

—

ILIM[1:0] = 11, default

Low-Side MOSFET Negative

Current Limit

ILIM_NEG

-2

-3

-4

N-Channel Zero-Crossing

Threshold

IZC_TH

—0.9

—

Current Limit Pulses before

Hiccup

HICCUP

—

Cycles

Hiccup Period before Restart

—

Internal MOSFETs

High-Side On-Resistance

RDS-ON-HS

—30

mΩ

ISW =1A

Low-Side On-Resistance

RDS-ON-LS

—16

mΩ

ISW =-1A

Output Discharge Resistance

RDS-ON-DSC

—10

Ω

VEN =0V, VSW = 5.5V,

from VOUT to PGND

SW Leakage Current

ILEAK_SW

—1

µA

PVIN = 5.5V, VSW = 5.5V, VEN =0V

Power Good (PG)

PG Threshold

PG_TH

%VOUT VOUT rising (good)

PG Hysteresis

PG_HYS

—

%VOUT VOUT falling

PG Blanking Time

PG_BLANK

—

µs

PG Output Leakage Current

PG_LEAK

—

PG Sink Low Voltage

PG_SINKV

—

200

VOUT = 0V, IPG = 10 mA

I2C Interface (SCL, SDA)

Low-Level Input Voltage

VIL

0—

0.4

VSVIN = 5.5V

High-Level Input Voltage

VIH

1.2

—

5.5

SVIN = 5.5V

High-Level Input Current

II2C_H

-1

0.01

µA

Low-Level Input Current

II2C_L

-1

0.01

µA

Logic 0 Output Voltage

VOL

——

0.4

ISDA = 3 mA, ISCL = 3 mA

SCL,SDA Pin Capacitance

I2C_CAP

—

0.7

—

SDA Pull-Down Resistance

SDA_PD

—

Ω

ELECTRICAL CHARACTERISTICS(1,2) (CONTINUED)

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

Note 1:

Specification for packaged product only.

Characterized in open loop.

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