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PDF ZXGD3112N7 Data sheet ( Hoja de datos )
| Número de pieza | ZXGD3112N7 | |
| Descripción | 400V ACTIVE OR-ING MOSFET CONTROLLER | |
| Fabricantes | Diodes | |
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ZXGD3112N7
400V ACTIVE OR-ING MOSFET CONTROLLER IN SO7
Description
ZXGD3112N7 is a 400V Active OR-ing MOSFET controller designed
for driving a very low RDS(ON) power MOSFET as an ideal diode. This
replaces the standard rectifier to reduce the forward voltage drop and
overall increase the power transfer efficiency.
The ZXGD3112N7 can be used on both high-side and low-side power
supply units (PSU) with rails up to ±400V. It enables very low RDS(ON)
MOSFETs to operate as ideal diodes as the turn-off threshold is
only -3mV with ±2mV tolerance. In the typical 48V configuration, the
standby power consumption is <50mW as the low quiescent supply
current is <1mA. During PSU fault condition, the OR-ing Controller
detects the power reduction and rapidly turns off the MOSFET in
<600ns to block reverse current flow and avoid the common bus
voltage dropping.
Features
Active OR-ing MOSFET Controller for High- or Low-Side PSU
Ideal Diode to Reduce Forward Voltage Drop
-3mV Typical Turn-Off Threshold with ±2mV Tolerance
400V Drain Voltage Rating
25V VCC Rating
<50mW Standby Power with Quiescent Supply Current <1mA
<600ns Turn-Off Time to Minimize Reverse Current
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony free. “Green” Device (Note 3)
Applications
Active OR-ing Controller in:
(N + 1) Redundant Power Supplies
Telecom and Networking
Data Centers and Servers
Mechanical Data
Case: SO-7
Case material: Molded Plastic. “Green” Molding Compound
UL Flammability 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)
-ve Rail
Typical Configuration for
Low-Side -ve Supply Rail
VD VS
-ve Vout
DRAIN
VG
GATE GND
ZXGD3112
Vcc
C1
GND Rail
GND
Top View
SO-7
GND
GND
GND
Vcc
GATE
GATE
Top View
Pin-Out
DRAIN
PGND
PGND
Pin Name
GND
VCC
GATE
PGND
DRAIN
Pin Function
Ground
Power Supply
Gate Drive
Power Ground
Drain Sense
Ordering Information (Note 4)
Product
ZXGD3112N7TC
Marking
ZXGD3112
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.
Marking Information
ZXGD
3112
YY WW
ZXGD = Product Type Marking Code, Line 1
3112 = Product Type Marking Code, Line 2
YY = Year (ex: 15 = 2015)
WW = Week (01 - 53)
ZXGD3112N7
Document Number DS37739 Rev. 1 - 2
1 of 10
www.diodes.com
September 2015
© Diodes Incorporated
1 page  
ZXGD3112N7
Typical Application Circuits
-200V
Rail
PSU
(A)
GND Rail
-200V
Rail
PSU
(B)
GND Rail
300V/400V N-channel
Power MOSFET
VD VS
DRAIN
VG
GATE GND
ZXGD3112
Vcc
C1
GND
HV
regulator
VOUT VIN
300V/400V N-channel
Power MOSFET
VD VS
DRAIN
VG
GATE GND
ZXGD3112
Vcc
C1
GND
HV
regulator
VOUT VIN
Common -200V Bus
-200V
LOAD
GND
Common GND
The focus application of the ZXGD3112 OR-ing Controller is for Redundant Low-Side -200V Power Supply Rail. HV to 12V regulator or a
potential divider is suggested to power the VCC of ZXGD3112 from high voltage lines.
+200V
Rail
PSU
(A)
300V/400V N-channel
Power MOSFET
VS VD
VG
GATE
DRAIN Vcc
ZXGD3112 C1
GND
+10V
Vcc
GND
Common +200V Bus
+200V
LOAD
GND Rail
+200V
Rail
300V /400V N-channel
Power MOSFET
VS VD
PSU
(B)
VG
GATE
DRAIN Vcc
ZXGD3112 C1
GND
GND
Common GND
GND Rail
Example of the ZXGD3112 OR-ing Controller in a Redundant High-Side +200V Power Supply Rail using an additional VCC supply.
ZXGD3112N7
Document Number DS37739 Rev. 1 - 2
5 of 10
www.diodes.com
September 2015
© Diodes Incorporated
5 Page | ||
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| PDF Descargar | [ Datasheet ZXGD3112N7.PDF ] | |
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