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FOD3181 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer FOD3181
Beschreibung High Speed MOSFET Gate Driver Optocoupler
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 12 Seiten
FOD3181 Datasheet, Funktion
www.DataSheet4U.com
January 2007
FOD3181
0.5A Ouput Current, High Speed MOSFET Gate Driver
Optocoupler
tm
Features
Guaranteed operating temperature range of -20°C to
+85°C
0.5A minimum peak output current
High speed response: 500ns max propagation delay
over temperature range
Wide VCC operating range: 10V to 20V
5000Vrms, 1 minute isolation
Minimum creepage distance of 7.0mm
Minimum clearance distance of 7.0mm
C-UL, UL and VDE* approved
10kV/µs minimum common mode rejection (CMR) at
VCM = 1,500V
RDS(ON) of 1.5(typ.) offers lower power dissipation
Applications
Plasma Display Panel
High performance DC/DC convertor
High performance switch mode power supply
High performance uninterruptible power supply
Isolated Power MOSFET gate drive
*Requires ‘V’ ordering option
Description
The FOD3181 is a 0.5A Output Current, High Speed
MOSFET Gate Drive Optocoupler. It consists of a
gallium aluminum arsenide (AlGaAs) light emitting diode
optically coupled to a CMOS integrated circuit with a
power stage. The power stage consists of a PMOS pull-
up and a NMOS pull-down power transistor. It is ideally
suited for high frequency driving of MOSFETs used in
Plasma Display Panels (PDPs), motor control invertor
applications, and high performance DC/DC converters.
The device is packaged in an 8-pin dual in-line housing
compatible with 260°C reflow processes for lead free
solder compliance.
Functional Block Diagram
NO CONNECTION 1
ANODE 2
CATHODE 3
NO CONNECTION 4
FOD3181
8 VCC
7 OUTPUT
6 OUTPUT
5 VEE
Note:
A 0.1µF bypass capacitor must be connected
between pins 5 and 8.
8
1
8
1
8
1
©2006 Fairchild Semiconductor Corporation
FOD3181 Rev. 1.0.3
1
www.fairchildsemi.com






FOD3181 Datasheet, Funktion
Fig. 7 Propagation Delay vs. Load Capacitance
200
VCC = 20V, VEE = 0
180 IF = 10mA, TA = 25oC
RG = 10Ω, CG = 10nF
f = 250 kHz, D. Cycle = 50%
160
140 tPHL
Fig. 8 Propagation Delay vs. Forward LED Current
200
VCC = 20V, VEE = 0
180
RG = 10Ω, CG = 10nF
f = 250 kHz, D. Cycle = 50%
TA = 25oC
160
tPHL
140
120
tPLH
100
120
tPLH
100
80 80
60
5
10 15 20
CG – Load Capacitance (nF)
25
Fig. 9 Propagation Delay vs. Series Load Resistance
200
VCC = 20V, VEE = 0
180 IF = 10mA, TA = 25oC
CG = 10nF
f = 250 kHz, D. Cycle = 50%
160
140
tPHL
120
tPLH
100
60
6
8 10 12 14
IF – Forward LED Current (mA)
16
Fig. 10 Propagation Delay vs. Ambient Temperature
200
VCC = 20V, VEE = 0
180 IF = 10 mA
RG = 10Ω, CG = 10nF
f = 250kHz, D. Cycle = 50%
160
140 tPHL
120
tPLH
100
80 80
60
10
20 30 40
RG – Series Load Resistance (Ω)
50
60
-40
-20 0 20 40 60 80
TA – Ambient Temperature (°C)
100
Fig. 11 Propagation Delay vs. Supply Voltage
180
IF = 10mA, TA = 25oC
160 RG = 10Ω, CG = 10nF
f = 250 kHz, D. Cycle = 50%
140 tPHL
120
tPLH
100
80
60
10
15 20
VCC – Supply Voltage (V)
25
6 www.fairchildsemi.com
FOD3181 Rev. 1.0.3

6 Page









FOD3181 pdf, datenblatt
FAIRCHILD SEMICONDUCTOR TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not
intended to be an exhaustive list of all such trademarks.
ACEx™
FACT Quiet Series™ OCX™
SILENT SWITCHER® UniFET™
ActiveArray™
Bottomless™
GlobalOptoisolator™
GTO™
OCXPro™
OPTOLOGIC®
SMART START™
SPM™
VCX™
Wire™
Build it Now™
CoolFET™
HiSeC™
I2C™
OPTOPLANAR™
PACMAN™
Stealth™
SuperFET™
C R O S S V O L T i-Lo
POP™
SuperSOT™-3
DOME™
ImpliedDisconnect™ Power247™
SuperSOT™-6
EcoSPARK™
E2CMOS™
EnSigna™
FACT®
FAST®
IntelliMAX™
ISOPLANAR™
LittleFET™
MICROCOUPLER™
MicroFET™
PowerEdge™
PowerSaver™
PowerTrench®
QFET®
QS™
SuperSOT™-8
SyncFET™
TCM™
TinyBoost™
TinyBuck™
FASTr™
MicroPak™
QT Optoelectronics™ TinyPWM™
FPS™
FRFET™
MICROWIRE™
MSX™
Quiet Series™
RapidConfigure™
TinyPower™
TinyLogic®
MSXPro™
RapidConnect™
TINYOPTO™
Across the board. Around the world.™
The Power Franchise®
µSerDes™
ScalarPump™
TruTranslation™
UHC®
Programmable Active Droop™
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FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS
HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE
APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER
ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S
WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which,
(a) are intended for surgical implant into the body, or (b) support or
sustain life, or (c) 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.
2. A critical component is any component of a life support device or
system whose failure to perform can be reasonably expected to
cause the failure of the life support device or system, or to affect its
safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In Design
Preliminary
First Production
No Identification Needed
Full Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. I22

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