MCP18480 datasheet(11/64 Pages) MICROCHIP

Part #	MCP18480

Description	-48V Hot Swap Controller

PDF	64 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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11 / 64 page

 2003 Microchip Technology Inc.

DS20091B-page 11

MCP18480

FIGURE 1-5:

UVTH-to-gate Waveform

TABLE 1-6:

UVTH-TO-GATE TIMING REQUIREMENTS

Param.

No.

Parameter

Sym

Min

Typ(1)

Max Units

Conditions

MA030

UVTH Low to GATE Falling Edge

TUVL2GATEF—

108

—

µs

CUVD = 800 nF

MA031

GATE High to GATE Low

TGATEH2GATEL

—

25.8

—

µs

MA032

ENABLE High to GATE Fast Ramp

TUVH2GATEFR

—

40.4

—

MA033

GATE Fast Ramp to GATE High

TGATEFR2GATEH

—

58.4

—

Note 1: Data in the Typical (“Typ”) column is at 5V, 25

°C, unless otherwise stated.

2: Minimum and maximum specifications will be provided in future revisions of this data sheet.

UVTH

MA033

GATE(1)

MA030

MA032

VREFIN - 262 mV

VREFIN

MA031

Note 1: This voltage is determined by the threshold voltage of the external FET.

This voltage needs to ensure the external FET is fully enhanced.

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