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FOD3180 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer FOD3180
Beschreibung High Speed MOSFET Gate Driver Optocoupler
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 13 Seiten
FOD3180 Datasheet, Funktion
www.DataSheet4U.com
January 2007
FOD3180
2A Output Current, High Speed MOSFET Gate Driver
Optocoupler
tm
Features
Guaranteed operating temperature range of -40°C to
+100°C
2A minimum peak output current
High speed response: 200ns max propagation delay
over temperature range
250kHz maximum switching speed
30ns typ pulse width distortion
Wide VCC operating range: 10V to 20V
5000Vrms, 1 minute isolation
Under voltage lockout protection (UVLO) with
hysteresis
Minimum creepage distance of 7.0mm
Minimum clearance distance of 7.0mm
C-UL, UL and VDE* safety agency approvals pending
RDS(ON) of 1.5(typ.) offers lower power dissipation
10kV/µs minimum common mode rejection
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 FOD3180 is a 2A Output Current, High Speed
MOSFET Gate Drive Optocoupler. It consists of a
aluminium gallium arsenide (AlGaAs) light emitting diode
optically coupled to a CMOS detector with PMOS and
NMOS output power transistors integrated circuit power
stage. It is ideally suited for high frequency driving of
power MOSFETs used in Plasma Display Panels
(PDPs), motor control inverter 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
FOD3180
8 VCC
7 OUTPUT
6 OUTPUT
8
1
NO CONNECTION 4
5 VEE
Note:
A 0.1µF bypass capacitor must be connected
between pins 5 and 8.
8
1
8
1
©2005 Fairchild Semiconductor Corporation
FOD3180 Rev. 1.0.3
1
www.fairchildsemi.com






FOD3180 Datasheet, Funktion
Typical Performance Curves
Fig. 1 Input Forward Current vs. Forward Voltage
100
10
1 TA = 100oC
TA = -40oC
0.1 TA = 25oC
0.01
0.001
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
VF – Forward Voltage (V)
Fig. 3 Output Low Voltage vs. Ambient Temperature
0.30
0.25
0.20
VF(OFF) = -3.0 to 0.8V
IOUT = 100mA
V = 10 to 20V
CC
VEE = 0
0.15
0.10
0.05
0.00
-40
-20 0 20 40 60 80
TA – Ambient Temperature (°C)
100
Fig. 5 Supply Current vs. Ambient Temperature
6.2
V
CC
=
20V,
VEE
=
0
5.8
IF = 10 mA (for ICCH)
IF = 0 mA (for ICCL)
5.4
ICCL
5.0
ICCH
4.6
4.2
3.8
-40
-20 0
20 40 60 80
TA – Ambient Temperature (°C)
100
Fig. 2 Low To High Input Current Threshold
vs. Ambient Temperature
6
V = 10 to 20V
CC
5 VEE = 0
Output = Open
4
3
2
1
0
-40 -20 0 20 40 60 80 100
TA – Ambient Temperature (°C)
Fig. 4 High Output Voltage Drop vs. Ambient Temperature
0.00
-0.05
V
CC
=
10
to
20V,
VEE
=
0
IF = 10 to 16 mA
IOUT = -100 mA
-0.10
-0.15
-0.20
-0.25
-0.30
-40
-20 0 20 40 60 80
TA – Ambient Temperature (oC)
100
Fig. 6 Supply Current vs. Supply Voltage
6.2
IF = 10mA (for ICCH)
5.8
IF = 0mA (for ICCL)
TA = 25oC, VEE = 0V
5.4
5.0 ICCL
4.6 ICCH
4.2
3.8
10
12 14 16 18
VCC – Supply Voltage (V)
20
6 www.fairchildsemi.com
FOD3180 Rev. 1.0.3

6 Page









FOD3180 pdf, datenblatt
IOH and IOL Test Conditions
This device is tested and specified when driving a complex
reactive load. The load consists of a capacitor in the series with
a current limiting resistor. The capacitor represents the gate to
source capacitance of a power MOSFET transistor. The test
load is a 0.03uF capacitor in series with an 8.5resistor. The
LED test frequency is 10.0kHz with a 50% duty cycle. The com-
bined IOH and IOL output load current duty factor is 0.6% at the
test frequency.
Figure 14 illustrates the relationship of the LED input drive
current and the device’s output voltage and sourcing and sink-
ing currents. The 0.03µF capacitor load represents the gate to
source capacitance of a very large power MOSFET transistor.
A single supply voltage of 20V is used in the evaluation.
Figure 15 shows the test schematic to evaluate the output volt-
age and sourcing and sinking capability of the device. The IOH
and IOL are measured at the peak of their respective current
pulses.
LED
20V
OUTPUT
0
Load
Current
IF = 8mA
ON
P-Channel (ON)
IOH = 2.2A
OFF
N-Channel (ON)
IOL = 2.2A
1µs/Div
Figure 14. FOD 3180 Output Current and Output Voltage vs. LED Drive
Pulse
Generator
1
100
IFMON
100
2
3
4
FOD3180
8
7 VO
0.33µF
6
0.1µF
IOMON
8.5
22µF
5
Figure 15. Test Schematic
12 www.fairchildsemi.com
FOD3180 Rev. 1.0.3

12 Page





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