MIC4607 datasheet(16/42 Pages) MICROCHIP

部件名	MIC4607

功能描述	85V, Three-Phase MOSFET Driver with Adaptive Dead-Time, Anti-Shoot-Through and Overcurrent Protection

PDF	42 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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16 / 42 page

MIC4607

DS20005610A-page 16

 2016 Microchip Technology Inc.

4.0

TIMING DIAGRAMS

4.1

Non-Overlapping LI/HI Input Mode

(MIC4607-1)

In non-overlapping LI/HI input mode, enough delay is

added between the xLI and xHI inputs to allow xHS to

be low before xLI is pulled high and similarly xLO is low

before xHI goes high.

xHO goes high with a high signal on xHI after a typical

delay of 35 ns (tHPLH). xHI going low drives xHO low

also with typical delay of 35 ns (tHPHL).

Likewise, xLI going high forces xLO high after typical

delay of 35 ns (tLPLH) and xLO follows low transition of

xLI after typical delay of 35 ns (tLPHL).

xHO and xLO output rise and fall times (tR/tF) are typi-

cally 20 ns driving 1000 pF capacitive loads.

FIGURE 4-1:

Separate Non-Overlapping LI/HI Input Mode (MIC4607-1).

Note 1:

All propagation delays are measured from the 50% voltage level and rise/fall times are measured 10% to

90%.

“x” in front of a pin name refers to either A, B or C phase. (e.g. xHI can be either AHI, BHI or CHI).

tLPLH

tLPHL

tHPLH

tHPHL

xHS

xHO

xLO

xHI

xLI

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