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PD - 93936A
SMPS MOSFET
IRFR3706 IRFU3706
HEXFET(R) Power MOSFET
Applications l High Frequency Isolated DC-DC Converters with Synchronous Rectification for Telecom and Industrial Use l High Frequency Buck Converters for Computer Processor Power Benefits
l l l
VDSS
20V
RDS(on) max
9.0m
ID
75A
Ultra-Low Gate Impedance Very Low RDS(on) at 4.5V VGS Fully Characterized Avalanche Voltage and Current
D-Pak IRFR3706
I-Pak IRFU3706
Absolute Maximum Ratings
Symbol
VDS VGS ID @ TC = 25C ID @ TC = 100C IDM PD @TC = 25C PD @TC = 100C TJ , TSTG
Parameter
Drain-Source Voltage Gate-to-Source Voltage Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Pulsed Drain Current Maximum Power Dissipation Maximum Power Dissipation Linear Derating Factor Junction and Storage Temperature Range
Max.
20 12 75 53 280 88 44 0.59 -55 to + 175
Units
V V A W W mW/C C
Thermal Resistance
Parameter
RJC RJA RJA Junction-to-Case Junction-to-Ambient (PCB mount)* Junction-to-Ambient
Typ.
--- --- ---
Max.
1.7 50 110
Units
C/W
* When mounted on 1" square PCB (FR-4 or G-10 Material) . For recommended footprint and soldering techniques refer to application note #AN-994
Notes through are on page 10
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IRFR/U3706
Static @ TJ = 25C (unless otherwise specified)
Parameter Drain-to-Source Breakdown Voltage V(BR)DSS/TJ Breakdown Voltage Temp. Coefficient V(BR)DSS RDS(on) VGS(th) IDSS IGSS Static Drain-to-Source On-Resistance Gate Threshold Voltage Drain-to-Source Leakage Current Gate-to-Source Forward Leakage Gate-to-Source Reverse Leakage Min. 20 --- --- --- --- 0.6 --- --- --- --- Typ. --- 0.021 6.9 8.1 11.5 --- --- --- --- --- Max. Units --- V --- V/C 9.0 11 m 23 2.0 V 20 A 100 200 nA -200 Conditions VGS = 0V, ID = 250A Reference to 25C, ID = 1mA VGS = 10V, ID = 36A VGS = 4.5V, ID = 28A VGS = 2.8V, ID = 18A VDS = VGS, ID = 250A VDS = 16V, VGS = 0V VDS = 16V, VGS = 0V, T J = 125C VGS = 12V VGS = -12V
Dynamic @ TJ = 25C (unless otherwise specified)
Symbol
gfs Qg Qgs Qgd Qoss td(on) tr td(off) tf Ciss Coss Crss Parameter Forward Transconductance Total Gate Charge Gate-to-Source Charge Gate-to-Drain ("Miller") Charge Output Gate Charge Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Input Capacitance Output Capacitance Reverse Transfer Capacitance Min. 53 --- --- --- --- --- --- --- --- --- --- --- Typ. --- 23 8.0 5.5 16 6.8 87 17 4.8 2410 1070 140 Max. Units Conditions --- S VDS = 16V, ID = 57A 35 ID = 28A 12 nC VDS = 10V 8.3 VGS = 4.5V 24 VGS = 0V, VDS = 10V --- VDD = 10V --- ID = 28A ns --- RG = 1.8 --- VGS = 4.5V --- VGS = 0V --- VDS = 10V --- pF = 1.0MHz
Avalanche Characteristics
Symbol
EAS IAR
Parameter
Single Pulse Avalanche Energy Avalanche Current
Typ.
--- ---
Max.
220 28
Units
mJ A
Diode Characteristics
Symbol
IS
ISM
Parameter Continuous Source Current (Body Diode) Pulsed Source Current (Body Diode) Diode Forward Voltage Reverse Reverse Reverse Reverse Recovery Time Recovery Charge Recovery Time Recovery Charge
Min. Typ. Max. Units --- --- --- --- --- --- --- --- --- --- 0.88 0.82 45 65 49 78 75 A 280 1.3 --- 68 98 74 120 V ns nC ns nC
VSD trr Qrr trr Qrr
Conditions D MOSFET symbol showing the G integral reverse S p-n junction diode. TJ = 25C, IS = 36A, VGS = 0V TJ = 125C, I S = 36A, VGS = 0V TJ = 25C, I F = 36A, VR=20V di/dt = 100A/s TJ = 125C, IF = 36A, VR=20V di/dt = 100A/s
2
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IRFR/U3706
1000
VGS 10V 4.5V 3.7V 3.5V 3.3V 3.0V 2.7V BOTTOM 2.5V TOP
1000
I D , Drain-to-Source Current (A)
100
I D , Drain-to-Source Current (A)
VGS 10V 4.5V 3.7V 3.5V 3.3V 3.0V 2.7V BOTTOM 2.5V TOP
100
2.5V
2.5V
10 0.1
20s PULSE WIDTH TJ = 25 C
1 10 100
10 0.1
20s PULSE WIDTH TJ = 175 C
1 10 100
VDS , Drain-to-Source Voltage (V)
VDS , Drain-to-Source Voltage (V)
Fig 1. Typical Output Characteristics
Fig 2. Typical Output Characteristics
1000
2.0
ID = 71A
R DS(on) , Drain-to-Source On Resistance (Normalized)
I D , Drain-to-Source Current (A)
TJ = 25 C TJ = 175 C
1.5
100
1.0
0.5
10 2.5
V DS = 15V 20s PULSE WIDTH 3.5 4.5 5.5 6.5
0.0 -60 -40 -20
VGS = 10V
0 20 40 60 80 100 120 140 160 180
VGS , Gate-to-Source Voltage (V)
TJ , Junction Temperature ( C)
Fig 3. Typical Transfer Characteristics
Fig 4. Normalized On-Resistance Vs. Temperature
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IRFR/U3706
100000 10 VGS = 0V, f = 1 MHZ Ciss = C + Cgd, C gs ds SHORTED Crss = C gd Coss = C + Cgd ds
ID = 28A VDS = 16V VDS = 10V
VGS , Gate-to-Source Voltage (V)
8
10000
C, Capacitance(pF)
Ciss
1000
6
Coss
4
100
Crss
2
10 1 10 100
0 0 10 20 30 40 50
VDS , Drain-to-Source Voltage (V)
QG , Total Gate Charge (nC)
Fig 5. Typical Capacitance Vs. Drain-to-Source Voltage
Fig 6. Typical Gate Charge Vs. Gate-to-Source Voltage
1000
1000
ISD , Reverse Drain Current (A)
OPERATION IN THIS AREA LIMITED BY RDS(on)
10us
100
TJ = 175 C
I D , Drain Current (A)
100 100us
10
1ms 10 10ms
TJ = 25 C
1
0.1 0.2
V GS = 0 V
0.6 1.0 1.4 1.8
1 1
TC = 25 C TJ = 175 C Single Pulse
10 100
VSD ,Source-to-Drain Voltage (V)
VDS , Drain-to-Source Voltage (V)
Fig 7. Typical Source-Drain Diode Forward Voltage
Fig 8. Maximum Safe Operating Area
4
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IRFR/U3706
80
LIMITED BY PACKAGE
VDS VGS
RD
D.U.T.
+
I D , Drain Current (A)
60
RG
-VDD
4.5V
40
Pulse Width 1 s Duty Factor 0.1 %
Fig 10a. Switching Time Test Circuit
20
VDS 90%
0 25 50 75 100 125 150 175
TC , Case Temperature ( C)
10% VGS
Fig 9. Maximum Drain Current Vs. Case Temperature
td(on)
tr
t d(off)
tf
Fig 10b. Switching Time Waveforms
10
Thermal Response (Z thJC )
1
D = 0.50 0.20 0.10 0.05 P DM SINGLE PULSE (THERMAL RESPONSE) t1 t2 Notes: 1. Duty factor D = t 1 / t 2 2. Peak T J = P DM x Z thJC + TC 0.0001 0.001 0.01 0.1
0.1
0.02 0.01
0.01 0.00001
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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IRFR/U3706
1 5V
500
EAS , Single Pulse Avalanche Energy (mJ)
TOP
400
VDS
L
D R IV E R
BOTTOM
ID 12A 24A 28A
RG
20V tp
D .U .T
IA S
+ V - DD
300
A
0 .0 1
200
Fig 12a. Unclamped Inductive Test Circuit
100
V (B R )D SS tp
0 25 50 75 100 125 150 175
Starting TJ , Junction Temperature ( C)
IAS
Fig 12c. Maximum Avalanche Energy Vs. Drain Current
Fig 12b. Unclamped Inductive Waveforms
Current Regulator Same Type as D.U.T.
QG
50K 12V .2F .3F
4.5 V
QGS VG QGD
D.U.T. VGS
3mA
+ V - DS
Charge
IG
ID
Current Sampling Resistors
Fig 13a. Basic Gate Charge Waveform
Fig 13b. Gate Charge Test Circuit
6
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IRFR/U3706
Peak Diode Recovery dv/dt Test Circuit
D.U.T
+
+
Circuit Layout Considerations * Low Stray Inductance * Ground Plane * Low Leakage Inductance Current Transformer
-
+
RG * * * * dv/dt controlled by RG Driver same type as D.U.T. ISD controlled by Duty Factor "D" D.U.T. - Device Under Test
+ VDD
Driver Gate Drive P.W. Period D=
P.W. Period VGS=10V
*
D.U.T. ISD Waveform Reverse Recovery Current Body Diode Forward Current di/dt D.U.T. VDS Waveform Diode Recovery dv/dt
VDD
Re-Applied Voltage Inductor Curent
Body Diode
Forward Drop
Ripple 5%
ISD
* VGS = 5V for Logic Level Devices Fig 14. For N-Channel HEXFET(R) Power MOSFETs
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IRFR/U3706
D-Pak (TO-252AA) Package Outline
Dimensions are shown in millimeters (inches)
6 .7 3 (.2 6 5 ) 6 .3 5 (.2 5 0 ) -A5 .4 6 (.2 1 5 ) 5 .2 1 (.2 0 5 ) 4 1 .2 7 (.0 5 0 ) 0 .8 8 (.0 3 5 )
2 .3 8 (.0 9 4 ) 2 .1 9 (.0 8 6 )
1 .1 4 (.0 4 5 ) 0 .8 9 (.0 3 5 ) 0 .5 8 (.0 2 3 ) 0 .4 6 (.0 1 8 )
6 .4 5 (.2 4 5 ) 5 .6 8 (.2 2 4 ) 6 .2 2 (.2 4 5 ) 5 .9 7 (.2 3 5 ) 1.0 2 (.0 4 0 ) 1.6 4 (.0 2 5 ) 1 2 3 0 .5 1 (.0 2 0 ) M IN . 1 0 .4 2 (.4 1 0 ) 9 .4 0 (.3 7 0 )
L E A D A S S IG N M E N T S 1 - GATE 2 - D R A IN 3 - S OU R CE 4 - D R A IN
-B 1 .5 2 (.0 6 0 ) 1 .1 5 (.0 4 5 ) 1 .1 4 (.0 4 5 ) 0 .7 6 (.0 3 0 ) 2 .2 8 ( .0 9 0 ) 4 .5 7 ( .1 8 0 ) 0 .8 9 (.0 3 5 ) 3X 0 .6 4 (.0 2 5 ) 0 .2 5 ( .0 1 0 ) M AMB N O TE S :
2X
0 .5 8 (.0 2 3 ) 0 .4 6 (.0 1 8 )
1 D IM E N S IO N IN G & T O L E R A N C IN G P E R A N S I Y 1 4 .5 M , 1 9 8 2 . 2 C O N T R O L L IN G D IM E N S IO N : IN C H . 3 C O N F O R M S T O J E D E C O U T L IN E T O -2 5 2 A A . 4 D IM E N S IO N S S H O W N A R E B E F O R E S O L D E R D IP , S O L D E R D IP M A X. + 0 .1 6 (.0 0 6 ) .
D-Pak (TO-252AA) Part Marking Information
8
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IRFR/U3706
I-Pak (TO-251AA) Package Outline
Dimensions are shown in millimeters (inches)
6 .7 3 (.26 5 ) 6 .3 5 (.25 0 ) -A 5 .4 6 (.2 1 5 ) 5 .2 1 (.2 0 5 ) 4 1 .2 7 ( .0 5 0 ) 0 .8 8 ( .0 3 5 )
2 .3 8 (.0 9 4 ) 2 .1 9 (.0 8 6 ) 0 .5 8 (.0 2 3 ) 0 .4 6 (.0 1 8 ) L E A D A S S IG N M E N T S 1 - GATE 2 - D R A IN 3 - SOURCE 4 - D R A IN
6 .4 5 (.2 4 5 ) 5 .6 8 (.2 2 4 ) 1 .5 2 (.0 6 0 ) 1 .1 5 (.0 4 5 ) 1 -B 2.2 8 (.0 9 0) 1.9 1 (.0 7 5) 9 .6 5 ( .3 8 0 ) 8 .8 9 ( .3 5 0 ) 2 3 6 .2 2 ( .2 4 5 ) 5 .9 7 ( .2 3 5 )
N O TE S : 1 D IM E N S IO N IN G & TO L E R A N C IN G P E R A N S I Y 1 4 .5M , 19 8 2 . 2 C O N T R O L L IN G D IM E N S IO N : IN C H . 3 C O N F O R MS TO J E D E C O U T L IN E TO -2 5 2 A A . 4 D IM E N S IO N S S H O W N A R E B E F O R E S O L D E R D IP , S O L D E R D IP M A X. + 0.1 6 (.0 0 6 ).
3X
1 .1 4 (.0 45 ) 0 .7 6 (.0 30 )
3X
0 .8 9 (.0 35 ) 0 .6 4 (.0 25 ) M AMB
1 .1 4 ( .0 4 5 ) 0 .8 9 ( .0 3 5 ) 0 .5 8 (.0 2 3 ) 0 .4 6 (.0 1 8 )
2 .28 (.0 9 0 ) 2X
0 .2 5 (.0 1 0 )
I-Pak (TO-251AA) Part Marking Information
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IRFR/U3706
D-Pak (TO-252AA) Tape & Reel Information
Dimensions are shown in millimeters (inches)
TR TRR TR L
1 6 .3 ( .6 4 1 ) 1 5 .7 ( .6 1 9 )
1 6 .3 ( .64 1 ) 1 5 .7 ( .61 9 )
1 2 .1 ( .4 7 6 ) 1 1 .9 ( .4 6 9 )
FE E D D IR E C TIO N
8 .1 ( .3 18 ) 7 .9 ( .3 12 )
FE E D D IR E C T IO N
N O T ES : 1 . C O N T R O L L IN G D IM EN S IO N : M IL L IM ET E R . 2 . AL L D IM EN SIO N S AR E SH O W N IN M IL L IM ET E R S ( IN C H E S ). 3 . O U TL IN E C O N F O R M S T O E IA -4 81 & E IA -54 1 .
1 3 IN C H
16 m m N O T ES : 1 . O U TL IN E C O N F O R M S T O E IA-4 8 1 .
Notes:
Repetitive rating; pulse width limited by
max. junction temperature.
Pulse width 400s; duty cycle 2%. Calculated continuous current based on maximum allowable
junction temperature. Package limitation current is 30A.
Starting TJ = 25C, L = 0.54mH
RG = 25, IAS = 28A.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105IR EUROPEAN REGIONAL CENTER: 439/445 Godstone Rd, Whyteleafe, Surrey CR3 OBL, UK Tel: ++ 44 (0)20 8645 8000 IR CANADA: 15 Lincoln Court, Brampton, Ontario L6T3Z2, Tel: (905) 453 2200 IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: ++ 49 (0) 6172 96590 IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: ++ 39 011 451 0111 IR JAPAN: K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo 171 Tel: 81 (0)3 3983 0086 IR SOUTHEAST ASIA: 1 Kim Seng Promenade, Great World City West Tower, 13-11, Singapore 237994 Tel: ++ 65 (0)838 4630 IR TAIWAN:16 Fl. Suite D. 207, Sec. 2, Tun Haw South Road, Taipei, 10673 Tel: 886-(0)2 2377 9936 Data and specifications subject to change without notice. 7/00
10
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