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PDF ZXGD3110N8 Data sheet ( Hoja de datos )
| Número de pieza | ZXGD3110N8 | |
| Descripción | SYNCHRONOUS MOSFET CONTROLLER | |
| Fabricantes | Diodes | |
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Description
The ZXGD3110N8 is intended to drive a MOSFET configured as an
ideal diode replacement. The device is comprised of a high voltage
detector stage and gate driver. The detector monitors the voltage
between the drain and the source of the MOSFET and if this voltage is
less than the turn on threshold voltage of the controller a positive
voltage is applied to the MOSFET’s Gate Pin. As the load current
decays to zero and the voltage between the drain and source of the
MOSFET increases beyond the turn-off threshold value MOSFET is
rapidly turned off.
Intelligent features of this IC are the Minimum Off-Time (TOFF) and
Minimum On-Time (TON), these features blanket the noise generated
during the turn-on and turn-off instances of the power FET. Also Light
Load Detection (LLD) for improved efficiency at light and no load,
where synchronous rectification is no more beneficial. Other features
include Undervoltage Lockout (UVLO), SYNC feature for CCM
operation and low turn-off threshold voltage for improved efficiency.
Applications
Flyback Converters in:
Power Adaptors
Auxiliary Power Supplies
PoE Power Devices
Resonant Converters in:
High Power Adaptors
85+/90+ Compliant ATX and Server Power Supplies
ZXGD3110N8
SYNCHRONOUS MOSFET CONTROLLER IN SO-8
Features
Frequency of Operation up to 500kHz
Suitable for Discontinuous Conduction Mode (DCM),
Continuous Conduction Mode (CCM) and Critical (CrCM)
Conduction Mode
Minimum On-Time and Off-Time to Reduce Turn-On/Off
Oscillations
Intelligent Light Load Detection and Sleep Mode
Turn-Off Propagation Delay Time 30ns
Drain Voltage Rating of 200V
Recommended Operating Voltage from 4.5V up to 12V
Source and Sink Current of 2A and 4A Respectively
Low Component Count
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony free. “Green” Device (Note 3)
Mechanical Data
Case: SO-8
Case Material: Molded Plastic. “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-
STD-202, Method 208
Weight: 0.074 grams (Approximate)
SO-8
Top View
VCC
TON
VS
VD
Top View
Pin-Out
GND
SYNC
GATE
PGATE
Ordering Information (Note 4)
Product
ZXGD3110N8TC
Marking
ZXGD3110
Reel Size (inches)
13
Tape Width (mm)
12
Quantity per Reel
2,500
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,"Green"
and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
ZXGD3110N8
Document Number DS37336 Rev. 1 - 2
1 of 11
www.diodes.com
December 2015
© Diodes Incorporated
1 page  
ZXGD3110N8
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
VCC
VDS
FSW
TJ
RTON
CVCC
TWsync
Supply Voltage Range
Parameter
Voltage Cross Drain and Source
Switching Frequency
Operating Junction Temperature Range
TON Resistor Value
VCC Bypass Capacitor
Sync Pulse Width
Min
4.5
-1
20
-40
8.25
10
20
Max
12
200
600
+125
100
—
—
Unit
V
kHz
°C
kΩ
μF
ns
Thermal Derating Curve
0.8
0.7 15mm x 15mm
0.6 10mm x 10mm
0.5
0.4
0.3
Minimum
Layout
0.2
5mm x 5mm
0.1
0.0
0
20 40 60 80 100 120 140 160
Junction Temperature (°C)
Derating Curve
ZXGD3110N8
Document Number DS37336 Rev. 1 - 2
5 of 11
www.diodes.com
December 2015
© Diodes Incorporated
5 Page 
ZXGD3110N8
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. 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.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2015, Diodes Incorporated
www.diodes.com
ZXGD3110N8
Document Number DS37336 Rev. 1 - 2
11 of 11
www.diodes.com
December 2015
© Diodes Incorporated
11 Page | ||
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