ZXGD3105 datasheet(2/13 Pages) DIODES

2 / 13 page

ZXGD3105N8

Document Number DS35101 Rev. 1 – 2

2 of 13

www.diodes.com

November 2011

A Product Line of

Diodes Incorporated

ZXGD3105N8

Functional Block Diagram

Name

Pin Function and Description

Vcc

Power supply

This supply pin should be closely decoupled to ground with a ceramic capacitor.

DNC

Do not connect

Leave pin floating.

BIAS

Bias

Connect this pin to Vcc via RBIAS resistor. Select RBIAS to source 0.54mA into this pin.

Refer to Table 1 and 2, in Application Information section.

DRAIN

Drain sense

Connect directly to the synchronous MOSFET drain terminal.

REF

Reference

Connect this pin to Vcc via RREF resistor. Select RREF to source 1.02mA into this pin.

Refer to Table 1 and 2, in Application Information section.

DNC

Do not connect

Leave pin floating.

GND

Ground

Connect this pin to the synchronous MOSFET source terminal and ground reference point.

GATE

Gate drive

This pin sinks and sources the ISINK and ISOURCE current to the synchronous MOSFET gate.

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