MCP14628 datasheet(3/24 Pages) MICROCHIP

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DS22083A-page 3

MCP14628

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

VCC, Device Supply Voltage............................. -0.3V to +7.0V

VBOOT, BOOT Voltage.................................... -0.3V to +36.0V

VPHASE, Phase Voltage...........VBOOT - 7.0V to VBOOT +0.3V

VFCCM, FCCM Voltage ........................... -0.3V to VCC + .0.3V

VPWM, PWM Voltage............................... -0.3V to VCC +0.3V

VUGATE, UGATE Voltage....... VPHASE - 0.3V to VBOOT +0.3V

VLGATE, LGATE Voltage .......................... -0.3V to VCC +0.3V

ESD Protection on all Pins ....................................2 kV (HBM)

† Notice: Stresses above those listed under "Maximum

Ratings" may cause permanent damage to the device. This is

a stress rating only and functional operation of the device at

those or any other conditions above those indicated in the

operational sections of this specification is not intended.

Exposure to maximum rating conditions for extended periods

may affect device reliability.

DC CHARACTERISTICS

Electrical Specifications: Unless otherwise noted, VCC =5V, TJ = -40°C to +125°C

Parameters

Sym

Min

Typ

Max

Units

Conditions

VCC Supply Requirements

Recommended Operating Range

VCC

4.5

5.0

5.5

Bias Supply Voltage

IVCC

—

µA

PWM pin floating,

VFCCM =5V

UVLO (Rising VCC)

—

3.40

3.90

UVLO (Falling VCC)2.40

2.90

—

Hysteresis

—

500

—

PWM Input Requirements

PWM Input Current

IPWM

—250

—

µA

VPWM =5V

—

-250

—

µA

VPWM =0V

PWM Rising Threshold

0.70

1.00

1.30

PWM Falling Threshold

3.50

3.80

4.10

Tri-State Shutdown Hold-off Time

tTSSHD

100

175

250

TA = +25°C, Note 2

FCCM input Requirements

FCCM Low Threshold

0.50

—

FCCM High Threshold

—

2.0

Output Requirements

High Drive Source Resistance

—

1.0

2.5

500 mA source current,

Note 1

High Drive Sink Resistance

—

1.0

2.5

500 mA sink current,

Note 1

High Drive Source Current

—

2.0

—

Note 1

High Drive Sink Current

—

2.0

—

Note 1

Low Drive Source Resistance

—

2.5

500 mA source current,

Note 1

Low Drive Sink Resistance

—

0.5

1.0

500 mA sink current,

Note 1

Low Drive Source Current

—

2.0

—

Note 1

Low Drive Sink Current

—

3.5

—

Note 1

Note 1:

Parameter ensured by design, not production tested.

See Figure 4-1 for parameter definition.

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