ZXGD3102 datasheet(4/15 Pages) DIODES

4 / 15 page

Issue 4, May 2009

www.diodes.com

©Diodes Incorporated 2008

ZXGD3102T8

Transient

Electrical Characteristics at T

A = 25°C;

VCC = 10V; RBIAS = 3.9k ; RREF=3.9k

Turn on Propagation delay

td1

CL = 3.3nF,

CBIAS = 1nF,

( )

(a)

1880

Turn off Propagation delay

td2

Gate rise time

9520

Gate fall time

VCC = 10V; RBIAS = 3.9k ; RREF=3.9k

Turn on Propagation delay

td1

CL = 10nF,

CBIAS = 1nF,

( )

(a)

1940

Turn off Propagation delay

td2

Gate rise time

9840

Gate fall time

(a) Refer to Fig 4: test circuit and Fig 5: timing diagram

Schematic Symbol and Pin Out Details

Pin No.

Symbol

Description and function

No connection

This pin can be connected to GND

REF

Reference

This pin is connected to VCC via resistor, RREF. RREF should be selected to

source approximately 2.4mA into this pin. See Note 1

GATEL

Gate turn off

This pin sinks current, ISINK, from the OR’ing MOSFET Gate

GATEH

Gate turn on

This pin sources current, ISOURCE, to the OR’ing MOSFET Gate

VCC

Power Supply

This is the supply pin. Decouple this point to ground with a ceramic capacitor

GND

Ground

This is the ground reference point. Connect to the OR’ing MOSFET Source terminal

BIAS

Bias

This pin is connected to VCC via RBIAS. RBIAS should be selected to source either 1 or

1.2 times IREF into this pin depending on the desired turn-off threshold voltage, VT.

See Note 1

DRAIN

Drain connection

This pin connects directly to the OR’ing MOSFET Drain terminal

Note 1- BIAS and REF pins should be assumed to be at GND+0.7V.

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