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PDF IRLR8743PBF Data sheet ( Hoja de datos )
| Número de pieza | IRLR8743PBF | |
| Descripción | Power MOSFET ( Transistor ) | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Applications
l High Frequency Synchronous Buck
Converters for Computer Processor Power
l High Frequency Isolated DC-DC
Converters with Synchronous Rectification
for Telecom and Industrial Use
l Lead-Free
Benefits
l Very Low RDS(on) at 4.5V VGS
l Ultra-Low Gate Impedance
l Fully Characterized Avalanche Voltage
and Current
Absolute Maximum Ratings
Parameter
VDS Drain-to-Source Voltage
VGS
ID @ TC = 25°C
ID @ TC = 100°C
IDM
PD @TC = 25°C
PD @TC = 100°C
Gate-to-Source Voltage
Continuous Drain Current, VGS @ 10V
Continuous Drain Current, VGS @ 10V
Pulsed Drain Current
gMaximum Power Dissipation
gMaximum Power Dissipation
TJ
TSTG
Linear Derating Factor
Operating Junction and
Storage Temperature Range
Soldering Temperature, for 10 seconds
Thermal Resistance
Parameter
RθJC
Junction-to-Case
gÃRθJA Junction-to-Ambient (PCB Mount)
RθJA Junction-to-Ambient
VDSS
30V
PD - 96123
IRLR8743PbF
IRLU8743PbF
HEXFET® Power MOSFET
RDS(on) max Qg
3.1m:
39nC
D
S
G
S
D
G
D-Pak
I-Pak
IRLR8743PbF IRLU8743PbF
G
Gate
D
Drain
S
Source
Max.
30
± 20
f160
f113
640
135
68
0.90
-55 to + 175
Units
V
A
W
W/°C
°C
300 (1.6mm from case)
Typ.
–––
–––
–––
Max.
1.11
50
110
Units
°C/W
Notes through
are on page 11
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1
08/15/07
1 page  
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IRLR/U8743PbF
180
160
140
120
100
80
60
40
20
0
25
Limited By Package
50 75 100 125 150
TC , Case Temperature (°C)
175
Fig 9. Maximum Drain Current vs.
Case Temperature
2.5
2.0
1.5 ID = 100µA
1.0
0.5
-75 -50 -25 0 25 50 75 100 125 150 175 200
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
10
1
D = 0.50
0.1
0.01
0.001
1E-006
0.20
0.10
0.05
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
τJ τJ
τ1 τ1
R1R1
CiC= iτi/Ri/iRi
R2R2
τ2 τ2
R3R3
R4R4
Ri (°C/W)
0.02879
τi (sec)
0.000017
τCτ 0.25773 0.000143
τ3 τ3
τ4τ4
0.48255 0.001411
0.34135 0.010617
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-005
0.0001
0.001
t1 , Rectangular Pulse Duration (sec)
0.01
0.1
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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IRLR/U8743PbF
D-Pak (TO-252AA) Tape & Reel Information
Dimensions are shown in millimeters (inches)
TR
TRR TRL
16.3 ( .641 )
15.7 ( .619 )
16.3 ( .641 )
15.7 ( .619 )
12.1 ( .476 )
11.9 ( .469 )
FEED DIRECTION
8.1 ( .318 )
7.9 ( .312 )
NOTES :
1. CONTROLLING DIMENSION : MILLIMETER.
2. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS ( INCHES ).
3. OUTLINE CONFORMS TO EIA-481 & EIA-541.
FEED DIRECTION
13 INCH
NOTES :
1. OUTLINE CONFORMS TO EIA-481.
16 mm
NNoottee:sF: or the most current drawing please refer to IR website at http://www.irf.com/package/
Repetitive rating; pulse width limited by
max. junction temperature.
Starting TJ = 25°C, L = 1.252mH, RG = 25Ω,
IAS = 20A.
Pulse width ≤ 400µs; duty cycle ≤ 2%.
Calculated continuous current based on maximum allowable
junction temperature. Package limitation current is 50A.
When mounted on 1" square PCB (FR-4 or G-10 Material).
For recommended footprint and soldering techniques refer to
application note #AN-994.
Data and specifications subject to change without notice.
This product has been designed and qualified for the Industrial market.
Qualification Standards can be found on IR’s Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.08/2007
www.irf.com
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet IRLR8743PBF.PDF ] | |
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