ZXGD3101N8TC Diodes Inc, ZXGD3101N8TC Datasheet

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ZXGD3101N8TC

Manufacturer Part Number
ZXGD3101N8TC
Description
MOSFET & Power Driver ICs SYNC REC Controller Vcc 15V 25mA 490mA
Manufacturer
Diodes Inc
Datasheet

Specifications of ZXGD3101N8TC

Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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ZXGD3101N8TC
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ZXGD3101N8TC
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Ordering Information
Description
The ZXGD3101 is intended to drive MOSFETS configured as ideal
diode replacements. The device is comprised of a differential amplifier
detector stage and high current driver. The detector monitors the
reverse voltage of the MOSFET such that if body diode conduction
occurs a positive voltage is applied to the MOSFET’s Gate pin.
Once the positive voltage is applied to the Gate the MOSFET
switches on allowing reverse current flow. The detectors’ output
voltage is then proportional to the MOSFET Drain-Source reverse
voltage drop and this is applied to the Gate via the driver. This action
provides a rapid turn off as current decays.
Application
Refer to documents: AN54, AN69, DN90, DN91 and DN94 available
from the website
ZXGD3101N8
Document Number DS31945 Rev. 1 - 2
ZXGD3101N8TC
Flyback Converters in:
LLC Converter in:
Product
Adaptors
LCD Monitors
Server PSU’s
Set Top Boxes
High Power Adaptors
LCD TV
Street Lighting
Status
Active
Package
SO-8
ZXGD3101
Marking
www.diodes.com
1 of 14
Reel size (inches)
SYNCHRONOU S R ECTIFIER CONTROLLER
Features
Mechanical Data
13
Turn-off propagation delay 15ns and turn-off time 20ns.
Suitable for Discontinuous Mode (DCM), Critical
Conduction Mode (CrCM) and Continuous Mode (CCM)
operation
Compliant with Energy Star V2.0 and European Code of
Conduct V3
Halogen Free part
5-15V Vcc range
Case: SO-8
Marking Information: See Page 13
Diodes Incorporated
Tape width (mm)
A Product Line of
12
ZXGD3101N8
Quantity per reel
© Diodes Incorporated
2500
June 2010

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ZXGD3101N8TC Summary of contents

Page 1

... Street Lighting Refer to documents: AN54, AN69, DN90, DN91 and DN94 available from the website Ordering Information Product Status Package ZXGD3101N8TC Active ZXGD3101N8 Document Number DS31945 Rev SYNCHRONOU S R ECTIFIER CONTROLLER Features • Turn-off propagation delay 15ns and turn-off time 20ns. ...

Page 2

... Symbol Limit to180 SOURCE I SINK I REF V BIAS I 100 BIAS P 490 D T -40 to +150 J T -50 to +150 STG Symbol Value 255 R θJA R 120 θlA Rating 4000 400 www.diodes.com ZXGD3101N8 Unit °C °C Unit °C/W °C/W Unit V V June 2010 © Diodes Incorporated ...

Page 3

... V DRAIN ≤ -200mV, (Note 6) V DRAIN SOURCE SINK 2.2nF, (Notes 6 and www.diodes.com A Product Line of Diodes Incorporated ZXGD3101N8 Min. Typ. Max. Unit - -45 - 0.6 1 5.0 7.5 - 7 9.2 9.4 - 9.3 9 525 305 June 2010 © Diodes Incorporated ...

Page 4

... CC REF REF , from the synchronous MOSFET Gate. SINK , to the synchronous MOSFET Gate. SOURCE via resistor should be selected to source 1.6 times I CC BIAS BIAS www.diodes.com A Product Line of ZXGD3101N8 GATEH GATEL into this pin. REF June 2010 © Diodes Incorporated ...

Page 5

... At zero current the detector output voltage is zero and the synchronous MOSFET Gate voltage is pulled low by the GATEL, turning the device off. MOSFET Gate Current ZXGD3101N8 Document Number DS31945 Rev Product Line of Diodes Incorporated SYNCHRONOU S R ECTIFIER CONTROLLER Body Diode Conduction Drain current zero www.diodes.com ZXGD3101N8 June 2010 © Diodes Incorporated ...

Page 6

... ZXGD3101N8 Document Number DS31945 Rev SYNCHRONOU S R ECTIFIER CONTROLLER 1a) Continuous Conduction Mode (CCM) 1b) Critical Conduction Mode (CrCM) 1c) Discontinuous Conduction Mode (DCM) Figure 1: Typical waveforms www.diodes.com A Product Line of Diodes Incorporated ZXGD3101N8 June 2010 © Diodes Incorporated ...

Page 7

... Typical Characteristics ZXGD3101N8 Document Number DS31945 Rev Product Line of Diodes Incorporated SYNCHRONOU S R ECTIFIER CONTROLLER www.diodes.com ZXGD3101N8 June 2010 © Diodes Incorporated ...

Page 8

... F=100kHz V =10V CC Ω R =1.8K BIAS Ω R =3k REF C =2.2nF LOAD Ω R =100k LOAD 100 125 150 Temperature (°C) =10V C =10nF LOAD Ω =1.8k C =4.7nF LOAD Ω =3k C =2.2nF LOAD Ω =100k C =1nF LOAD 10000 100000 Frequency (Hz) © Diodes Incorporated June 2010 ...

Page 9

... R BIAS www.diodes.com A Product Line of Diodes Incorporated ZXGD3101N8 V = 10V 3mA REF Ω R =1k LOAD -0.08 -0.06 -0.04 -0.02 0.00 V Drain Voltage (V) D Transfer Characteristic giving a bias current ~1.6 times I REF BIAS © Diodes Incorporated to give a REF . This REF June 2010 ...

Page 10

... Figure 2 Example connection for low side synchronous rectification Figure 3: Example connection for high side synchronous rectification ZXGD3101N8 Document Number DS31945 Rev Product Line of Diodes Incorporated SYNCHRONOU S R ECTIFIER CONTROLLER www.diodes.com ZXGD3101N8 June 2010 © Diodes Incorporated ...

Page 11

... Figure 4: Example connections for LLC converter Figure 5: Example connections for Forward converter ZXGD3101N8 Document Number DS31945 Rev Product Line of Diodes Incorporated SYNCHRONOU S R ECTIFIER CONTROLLER www.diodes.com ZXGD3101N8 June 2010 © Diodes Incorporated ...

Page 12

... ZXGD3101N8 Document Number DS31945 Rev Product Line of Diodes Incorporated SYNCHRONOU S R ECTIFIER CONTROLLER Figure 6: Test circuit Figure 7: Timing Diagram www.diodes.com ZXGD3101N8 June 2010 © Diodes Incorporated ...

Page 13

... D 4.85 4.95 E 5.90 6.10 E1 3.85 3.95 e 1.27 Typ h - 0.35 L 0.62 0.82 θ 0° 8° All Dimensions in mm Value (in mm) X 0.60 Y 1.55 C1 5.4 C2 1.27 2013 2014 A B Jul Aug Sep Oct Nov © Diodes Incorporated 2015 C Dec D June 2010 ...

Page 14

... Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. ...

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