Diodes ZXGD3104N8 User Manual
Ordering information, Marking information
ZXGD3104N8
Document Number DS35546
Rev. 1 – 2
1 of 13
November 2011
© Diodes Incorporated
A Product Line of
Diodes Incorporated
ZXGD3104N8
SYNCHRONOUS MOSFET CONTROLLER IN SO8
Description
The ZXGD3104 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. The detectors’ output voltage is then proportional to the MOSFET
Drain-Source voltage and this is applied to the Gate via the driver.
This action provides a rapid MOSFET turn off at zero Drain current.
Applications
•
Flyback Converters in:
o
≥90W Laptop Adaptors
Features
•
5-25V Vcc range
•
Operating up to 250kHz
•
Suitable for Discontinuous Mode (DCM), Critical Conduction
Mode (CrCM) and Continuous Mode (CCM) operation
•
Turn-off propagation delay 15ns and turn-off time 20ns.
• Proportional
Gate
Drive
•
Detector threshold voltage -10mV
•
Standby current 5mA
•
“Lead-Free”, RoHS Compliant (Note 1)
•
Halogen and Antimony free. “Green” Device (Note 2)
•
Qualified to AEC-Q101 Standards for High Reliability
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)
Ordering Information
(Note 3)
Product
Marking
Reel size (inches)
Tape width (mm)
Quantity per reel
ZXGD3104N8TC ZXGD3104
13
12
2,500
Notes:
1. No purposefully added lead
2. Diodes Inc’s “Green” Policy can be found on our websit3. For packaging details, go to our website at
Marking Information
ZXGD
= Product Type Marking Code, Line 1
3104
= Product Type Marking Code, Line 2
YY
= Year (ex: 11 = 2011)
WW
= Week (01 - 53)
ZXGD
3104
YY WW
Top View
Pin-Out
DRAIN
DNC
REF
GATEL
GATEH
BIAS
GND
V
CC
SO-8
Typical Configuration