ZXGD3107N8 Datasheet PDF - Diodes
| Part Number | ZXGD3107N8 | |
| Description | SYNCHRONOUS MOSFET CONTROLLER | |
| Manufacturers | Diodes | |
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ZXGD3107N8
Description
ZXGD3107N8 synchronous controller is designed for driving a
MOSFET as an ideal rectifier. This is to replace a diode for increasing
the power transfer efficiency.
Proportional Gate drive control 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 controllers’ output voltage is then proportional to the
MOSFET drain-source voltage and this is applied to the Gate via the
driver. This action minimizes body diode conduction while enabling a
rapid MOSFET turn-off as drain current decays to zero.
SYNCHRONOUS MOSFET CONTROLLER IN SO-8
Features
Proportional Gate Drive to Minimize Body Diode Conduction
Low Standby Power with Quiescent Supply Current < 1mA
4.5V Operation Enables Low Voltage Supply
40V VCC Rating
200V Drain Voltage Rating
Operation up to 500kHz
Critical Conduction Mode (CrCM) & Continuous Mode (CCM)
Compliant with Eco-Design Directive
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony free. “Green” Device (Note 3)
Applications
Flyback Converters in:
AC-DC Adaptors
Set-Top Boxes
PoE Power Devices
Resonant Converters in:
Telecoms PSU
Laptop Adaptors
Computing Power Supplies – ATX and Server PSU
Typical Configuration
Transformer
RREF
RBIAS
REF BIAS Vcc
ZXGD3107
DRAIN
GATE GND
VG
Vout
C1
SO-8
VD
Synchronous Rectifier
MOSFET
GND
Top View
Mechanical Data
Case: SO-8
Case Material: Molded Plastic. “Green” Molding Compound.
UL Flammability Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish
Solderable per MIL-STD-202, Method 208
Weight: 0.074 grams (Approximate)
Vcc
DNC
BIAS
DRAIN
Top View
Pin-Out
GATE
GND
DNC
REF
Pin Name
VCC
DNC
BIAS
DRAIN
REF
GND
GATE
Pin Function
Power Supply
Do Not Connect
Bias Current
Drain Sense
Reference Current
Power Ground
Gate Drive
Ordering Information (Note 4)
Product
Marking
Reel size (inches)
Tape width (mm)
Quantity per reel
ZXGD3107N8TC
ZXGD3107
13
12 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.
Marking Information
ZXGD3107N8
Document Number DS37887 Rev. 1 - 2
ZXGD
3107
YY WW
ZXGD
3107
YY
WW
= Product Type Marking Code, Line 1
= Product Type Marking Code, Line 2
= Year (ex: 15 = 2015)
= Week (01 - 53)
1 of 13
www.diodes.com
August 2015
© Diodes Incorporated
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ZXGD3107N8
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
VCC = 10V; RBIAS = 18kΩ (IBIAS = 0.56mA); RREF = 7.5kΩ (IREF = 1.23mA)
Characteristic
Input Supply
Supply to GND Voltage
Supply to GND Voltage
Drain to GND Voltage
Quiescent Current
Gate Driver
Gate Peak Source Current
Gate Peak Sink Current
Detector under DC condition
Turn-off Threshold Voltage
Gate Output Voltage
Switching Performance
Turn-on Propagation Delay
Gate Rise Time
Turn-off Propagation Delay
Gate Fall Time
Symbol
VCC(ON)
VCC(OFF)
VD
IQ
ISOURCE
ISINK
VT
VG(off)
VG
td(rise)
tr
td(fall)
tf
Min
40
40
200
-
-
-
-20
-
5.0
8.0
-
-
-
-
Typ Max
-
-
-
1.79
-
-
-
-
2-
7-
-10 0
0.2 0.6
7.8 -
9.4 -
70 -
175 -
15 -
20 -
Unit
Test Condition
V VD = -100mV @ Icc = 10µA
V VD = 1V @ Icc = 10µA
V ID = 1µA
mA VD ≥ 0mV
A Capacitive load: CL = 20nF
mV VG = 1V
VD ≥ 1V
V VD = -50mV
VD = -100mV
Capacitive load only
ns
Rise and fall measured 10% to 90%
Refer to application test circuit below
Test Circuit for Switching Performance
Flyback transformer
Magnetising inductance = 820μH
RREF
7.5KΩ
RBIAS
18KΩ
Vcc = 10V
Output load
REF BIAS Vcc
ZXGD3107
C1
1uF
DRAIN
GATE GND
VG
Test conditions
Switching frequency = 100kHz
Continuous conduction mode
VD
MOSFET Qg(tot) = 82nC
RDS(on) = 15mΩ
ZXGD3107N8
Document Number DS37887 Rev. 1 - 2
5 of 13
www.diodes.com
August 2015
© Diodes Incorporated
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ZXGD3107N8 electronic component. |
| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ZXGD3107N8.PDF Datasheet ] | |
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