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PD - 97368
IRFH3702PBF
Applications
l l l
HEXFET(R) Power MOSFET
Synchronous Buck Converter for Computer Processor Power Isolated DC to DC Converters for Network and Telecom Buck Converters for Set-Top Boxes
VDSS 30V
RDS(on) max Qg 7.1m@VGS = 10V 9.6nC
Benefits
l l l l l l l
Low RDS(ON) Very Low Gate Charge Low Junction to PCB Thermal Resistance Fully Characterized Avalanche Voltage and Current 100% Tested for RG Lead-Free (Qualified up to 260C Reflow) RoHS compliant (Halogen Free)
D D D D
S S S G
3mm x 3mm PQFN
Absolute Maximum Ratings
Parameter
VDS VGS ID @ TA = 25C ID @ TA = 70C ID @ TC = 25C IDM PD @TA = 25C PD @TA = 70C TJ TSTG Drain-to-Source Voltage Gate-to-Source Voltage Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Pulsed Drain Current Power Dissipation Power Dissipation Linear Derating Factor Operating Junction and Storage Temperature Range
Max.
30 20 16 12 42 120 2.8 1.8 0.02 -55 to + 150
Units
V
A
c
W W/C C
Thermal Resistance
Parameter
RJC RJA RJA Junction-to-Case Junction-to-Ambient
f
Typ.
--- --- ---
Max.
6.0 45 44
Units
C/W
Junction-to-Ambient (t<10s)
gh
h
ORDERING INFORMATION: See detailed ordering and shipping information on the last page of this data sheet. Notes through are on page 10
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02/12/09
1
IRFH3702PBF
Static @ TJ = 25C (unless otherwise specified)
Parameter
BVDSS VDSS/TJ RDS(on) VGS(th) VGS(th) IDSS IGSS gfs Qg Qgs1 Qgs2 Qgd Qgodr Qsw Qoss RG td(on) tr td(off) tf Ciss Coss Crss Drain-to-Source Breakdown Voltage Breakdown Voltage Temp. Coefficient Static Drain-to-Source On-Resistance Gate Threshold Voltage Gate Threshold Voltage Coefficient Drain-to-Source Leakage Current Gate-to-Source Forward Leakage Gate-to-Source Reverse Leakage Forward Transconductance Total Gate Charge Pre-Vth Gate-to-Source Charge Post-Vth Gate-to-Source Charge Gate-to-Drain Charge Gate Charge Overdrive Switch Charge (Qgs2 + Qgd) Output Charge Gate Resistance Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Input Capacitance Output Capacitance Reverse Transfer Capacitance Parameter EAS IAR Single Pulse Avalanche Energy Avalanche Current
Min. Typ. Max. Units
30 --- --- --- 1.35 --- --- --- --- --- 37 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 0.02 5.7 8.7 1.8 -6.5 --- --- --- --- --- 9.6 2.4 1.2 3.1 2.9 4.3 7.4 2.2 9.6 15 11 5.8 1510 306 120 --- --- 7.1 11.8 2.35 --- 1.0 150 100 -100 --- 14 --- --- --- --- --- --- --- --- --- --- --- --- --- --- Typ. --- --- pF nC nC VDS = 15V VGS = 4.5V ID = 12A V
Conditions
VGS = 0V, ID = 250A VGS = 10V, ID = 16A VGS = 4.5V, ID = 12A
V/C Reference to 25C, ID = 1mA m V mV/C A nA S
e e
VDS = VGS, ID = 25A VDS = 24V, VGS = 0V VDS = 24V, VGS = 0V, TJ = 125C VGS = 20V VGS = -20V VDS = 15V, ID = 12A
See Fig.17 & 18 VDS = 16V, VGS = 0V VDD = 15V, VGS = 4.5V ns ID = 12A RG=1.8 See Fig.15 VGS = 0V VDS = 15V = 1.0MHz Max. 77 12 Units mJ A
Avalanche Characteristics
d
Diode Characteristics
Parameter
IS ISM VSD trr Qrr ton Continuous Source Current (Body Diode) Pulsed Source Current (Body Diode)A Diode Forward Voltage Reverse Recovery Time Reverse Recovery Charge Forward Turn-On Time
Min. Typ. Max. Units
--- --- --- --- --- --- --- --- 17 15 3.5 A 120 1.0 26 23 V ns nC
Conditions
MOSFET symbol showing the integral reverse
G D
S p-n junction diode. TJ = 25C, IS = 12A, VGS = 0V
TJ = 25C, IF = 12A, VDD = 15V di/dt = 225A/s
e
eA
Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
2
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IRFH3702PBF
1000 1000
60s PULSE WIDTH
Tj = 25C
ID, Drain-to-Source Current (A)
TOP
100
BOTTOM
ID, Drain-to-Source Current (A)
VGS 10V 5.0V 4.5V 3.5V 3.3V 3.1V 2.9V 2.7V
60s PULSE WIDTH
Tj = 150C
TOP
100
BOTTOM
VGS 10V 5.0V 4.5V 3.5V 3.3V 3.1V 2.9V 2.7V
10
10
2.7V
2.7V 1 0.1 1 10 100 V DS, Drain-to-Source Voltage (V) 1 0.1 1 10 100 V DS, Drain-to-Source Voltage (V)
Fig 1. Typical Output Characteristics
Fig 2. Typical Output Characteristics
1000
RDS(on) , Drain-to-Source On Resistance (Normalized)
2.0 ID = 16A VGS = 10V
ID, Drain-to-Source Current (A)
100
1.5
10
T J = 150C
1
T J = 25C VDS = 15V 60s PULSE WIDTH 1 2 3 4 5
1.0
0.1
0.5 -60 -40 -20 0 20 40 60 80 100 120 140 160 T J , Junction Temperature (C)
VGS, Gate-to-Source Voltage (V)
Fig 3. Typical Transfer Characteristics
Fig 4. Normalized On-Resistance vs. Temperature
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3
IRFH3702PBF
100000
VGS = 0V, f = 1 MHZ Ciss = C gs + Cgd, C ds SHORTED Crss = C gd Coss = Cds + Cgd
14.0 ID= 12A
VGS, Gate-to-Source Voltage (V)
12.0 10.0 8.0 6.0 4.0 2.0 0.0 VDS= 24V VDS= 15V
C, Capacitance (pF)
10000
Ciss 1000 Coss Crss 100 1 10 VDS, Drain-to-Source Voltage (V) 100
0
5
10
15
20
25
30
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 OPERATION IN THIS AREA LIMITED BY R DS(on) 100sec 10msec 10 1msec 1 T A = 25C Tj = 150C Single Pulse 0 1 10 100
100
10
T J = 150C T J = 25C
1 VGS = 0V 0.1 0.2 0.4 0.6 0.8 1.0 1.2 VSD, Source-to-Drain Voltage (V)
ID, Drain-to-Source Current (A)
ISD, Reverse Drain Current (A)
100
0.1 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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IRFH3702PBF
16
VGS(th) , Gate Threshold Voltage (V)
2.5
14 12
ID, Drain Current (A)
2.0
10 8 6 4 2 0 25 50 75 100 125 150 T A , Ambient Temperature (C)
1.5
ID = 25A
1.0
0.5 -75 -50 -25 0 25 50 75 100 125 150 T J , Temperature ( C )
Fig 9. Maximum Drain Current vs. Ambient Temperature
Fig 10. Threshold Voltage Vs. Temperature
100
Thermal Response ( Z thJA ) C/W
D = 0.50 10 0.20 0.10 0.05 0.02 0.01
1
0.1
0.01 SINGLE PULSE ( THERMAL RESPONSE ) 0.001 1E-006 1E-005 0.0001 0.001 0.01 0.1
Notes: 1. Duty Factor D = t1/t2 2. Peak Tj = P dm x Zthja + TA 1 10 100
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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5
IRFH3702PBF
RDS(on), Drain-to -Source On Resistance (m )
20 18 16 14 12 10 8 6 4 0 2 4 6 8 10 12 14 16 18 20 T J = 25C T J = 125C
350
EAS , Single Pulse Avalanche Energy (mJ)
ID = 16A
300 250 200 150 100 50 0 25 50 75
ID 1.7A 2.6A BOTTOM 12A TOP
100
125
150
VGS, Gate -to -Source Voltage (V)
Starting T J , Junction Temperature (C)
Fig 12. On-Resistance vs. Gate Voltage
Fig 13. Maximum Avalanche Energy vs. Drain Current
15V
V DS VGS
RD
VDS
L
DRIVER
RG 10V VGS Pulse Width 1 s Duty Factor 0.1
D.U.T.
+
-V DD
RG
20V
D.U.T
IAS tp
+ V - DD
A
0.01
Fig 14a. Unclamped Inductive Test Circuit
V(BR)DSS tp
Fig 15a. Switching Time Test Circuit
90%
VDS
10%
VGS
I AS
td(on)
tr
td(off)
tf
Fig 14b. Unclamped Inductive Waveforms
Fig 15b. Switching Time Waveforms
6
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IRFH3702PBF
D.U.T
Driver Gate Drive Period D= P.W. Period VGS=10V
+
P.W.
+
Circuit Layout Considerations * Low Stray Inductance * Ground Plane * Low Leakage Inductance Current Transformer
*
D.U.T. ISD Waveform Reverse Recovery Current Body Diode Forward Current di/dt D.U.T. VDS Waveform Diode Recovery dv/dt
-
+
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
V DD
VDD
+ -
Re-Applied Voltage Inductor Curent
Body Diode
Forward Drop
Ripple 5%
ISD
* VGS = 5V for Logic Level Devices Fig 16. Peak Diode Recovery dv/dt Test Circuit for N-Channel HEXFET(R) Power MOSFETs
Current Regulator Same Type as D.U.T.
Id Vds Vgs
50K 12V .2F .3F
D.U.T. VGS
3mA
+ V - DS
Vgs(th)
IG
ID
Qgs1 Qgs2
Qgd
Qgodr
Current Sampling Resistors
Fig 17. Gate Charge Test Circuit
Fig 18. Gate Charge Waveform
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7
IRFH3702PBF
PQFN Package Details
Note: For the most current drawing please refer to IR website at: http://www.irf.com/package/
8
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IRFH3702PBF
PQFN Part Marking
PQFN Tape and Reel
Note: For the most current drawing please refer to IR website at: http://www.irf.com/package/
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9
IRFH3702PBF
Orderable part number IRFH3702TRPBF
Qualification information Qualification level Moisture Sensitivity Level RoHS compliant PQFN 3mm x 3mm Cons umer (per JE DE C JE S D47F

Package Type PQFN 3mm x 3mm
Standard Pack Form Quantity Tape and Reel 4000
Note
guidelines ) MS L 1
(per IPC/JE DE C J-S T D-020D Yes
)

Qualification standards can be found at International Rectifier's web site http://www.irf.com/product-info/reliability Higher qualification ratings may be available should the user have such requirements. Please contact your International Rectifier sales representative for further information: http://www.irf.com/whoto-call/salesrep/ Applicable version of JEDEC standard at the time of product release.
Note: For the most current drawing please refer to IR website at: http://www.irf.com/package/
Notes: Repetitive rating; pulse width limited by max. junction temperature. Starting TJ = 25C, L = 1.0mH, RG = 25, IAS = 12A. Pulse width 400s; duty cycle 2%. Rthjc is guaranteed by design. When mounted on 1 inch square 2 oz copper pad on 1.5x1.5 in. board of FR-4 material. Refer to application note #AN-994.
Data and specifications subject to change without notice
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.02/09
10
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