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PDF FDD8445 Data sheet ( Hoja de datos )

Número de pieza FDD8445
Descripción N-Channel PowerTrench
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



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No Preview Available ! FDD8445 Hoja de datos, Descripción, Manual

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December 2005
FDD8445
N-Channel PowerTrench® MOSFET
40V, 50A, 8.7m
Features
„ RDS(ON) = 6.7 m(Typ), VGS = 10V, ID=50A
„ Qg(10) = 45nC (Typ), VGS=10V
„ Low Miller Charge
„ Low Qrr Body Diode
„ UIS Capability (Single Pulse/ Repetitive Pulse)
„ Qualified to AEC Q101
„ RoHS Compliant
Applications
„ Automotive Engine Control
„ Powertrain Management
„ Solenoid and Motor Drivers
„ Electronic Transmission
„ Distributed Power Architecture and VRMs
„ Primary Switch for 12V Systems
AD FREE I
D
G
S
©2005 Fairchild Semiconductor Corporation
FDD8445 Rev A (W)
1
www.fairchildsemi.com

1 page




FDD8445 pdf
Typical Characteristics
1000
100
10
10us
100us
CURRENT LIMITED
1 BY PACKAGE
1ms
0.1
OPERATION IN THIS
AREA MAY BE
LIMITED BY rDS(ON)
SINGLE PULSE
TTJC==M2A5XoCRATED
1 10
10ms
DC
100
VDS, DRAIN-SOURCE VOLTAGE (V)
Figure 5. Forward Bias Safe Operating Area
140
PULSE DURATION=80µs
120 DUTY CYCLE=0.5% MAX
100 VDD = 6V
80
TJ = 175OC
60
40 TJ = 25OC
20
TJ = - 55OC
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 7. Transfer Characteristics
6.0
200
100
If R = 0
tAV = (L)(IAS)/(1.3*RATED BVDSS - VDD)
If R 0
tAV = (L/R)ln[(IAS*R)/(1.3*RATED BVDSS - VDD) +1]
10
STARTING TJ = 150OC
STARTING TJ = 25OC
1
0.01
0.1 1 10 100
tAV, TIME IN AVALANCHE (ms)
1000
NOTE: Refer to Fairchild Application Notes AN7514 and AN7515
Figure 6. Unclamped Inductive Switching
Capability
120
100 VGS=10V
80
60
5.0V
PULSE DURATION =80µS
DUTY CYCLE =0.5% MAX
4.5V
40
20 4.0V
0
0.0 0.5 1.0 1.5 2.0 2.5
VDS, DRAIN TO SOURCE VOLTAGE (V)
Figure 8. Saturation Characteristics
3.0
20
PULSE DURATION=80µS
DUTY CYCLE=0.5%MAX
ID=12A
16
TJ = 175oC
12
8 TJ = 25oC
4
3.5 4.5 6.0 7.5 9.0
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 9. Drain to Source On-Resistance
Variation vs Gate to Source Voltage
10
2.0
PULSE DURATION =80µS
1.8 DUTY CYCLE =0.5% MAX
1.6
1.4
1.2
1.0
ID = 50A
0.8 VGS = 10V
0.6
-80
-40 0 40 80 120 160
TJ, JUNCTION TEMPERATURE(oC)
200
Figure 10. Normalized Drain to Source On
Resistance vs Junction Temperature
FDD8445 Rev A (W)
5 www.fairchildsemi.com

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