IRF IRFR3711TR

PD- 94061
IRFR3711
IRFU3711
SMPS MOSFET
Applications
l High Frequency Isolated DC-DC
Converters with Synchronous Rectification
for Telecom and Industrial Use
l High Frequency Buck Converters for
Server Processor Power Synchronous FET
l Optimized for Synchronous Buck
Converters Including Capacitive Induced
Turn-on Immunity
Benefits
Ultra-Low Gate Impedance
l Very Low RDS(on) at 4.5V VGS
l Fully Characterized Avalanche Voltage
and Current
l
HEXFET® Power MOSFET
VDSS
RDS(on) max
ID
20V
6.5mΩ
110A„
D-Pak
IRFR3711
I-Pak
IRFU3711
Absolute Maximum Ratings
Symbol
VDS
VGS
ID @ TC = 25°C
ID @ TC = 100°C
IDM
PD @TA = 25°C
PD @TC = 25°C
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.
Units
20
± 20
110 „
69 „
440
2.5
120
0.96
-55 to + 150
V
V
A
W
W
mW/°C
°C
Thermal Resistance
Parameter
RθJC
RθJA
RθJA
Junction-to-Case
Junction-to-Ambient (PCB mount)…
Junction-to-Ambient
Typ.
Max.
Units
–––
–––
–––
1.04
50
110
°C/W
Notes  through „ are on page 10
www.irf.com
1
2/7/01
IRFR/U3711
Static @ TJ = 25°C (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
Min.
20
–––
–––
Static Drain-to-Source On-Resistance
–––
Gate Threshold Voltage
1.0
–––
Drain-to-Source Leakage Current
–––
Gate-to-Source Forward Leakage
–––
Gate-to-Source Reverse Leakage
–––
Typ.
–––
0.022
5.2
6.7
–––
–––
–––
–––
–––
Max. Units
Conditions
–––
V
VGS = 0V, ID = 250µA
––– V/°C Reference to 25°C, ID = 1mA
6.5
VGS = 10V, ID = 15A ƒ
mΩ
8.5
VGS = 4.5V, ID = 12A ƒ
3.0
V
VDS = VGS, ID = 250µA
20
VDS = 16V, VGS = 0V
µA
100
VDS = 16V, VGS = 0V, T J = 125°C
200
VGS = 16V
nA
-200
VGS = -16V
Dynamic @ TJ = 25°C (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.
–––
29
7.3
8.9
33
12
220
17
12
2980
1770
280
Max. Units
Conditions
–––
S
VDS = 16V, ID = 30A
44
ID = 15A
–––
nC
VDS = 10V
–––
VGS = 4.5V ƒ
–––
VGS = 0V, VDS = 10V
–––
VDD = 10V
–––
ID = 30A
ns
–––
RG = 1.8Ω
–––
VGS = 4.5V ƒ
–––
VGS = 0V
–––
pF
VDS = 10V
–––
ƒ = 1.0MHz
Avalanche Characteristics
Symbol
EAS
IAR
Parameter
Single Pulse Avalanche Energy‚
Avalanche Current
Typ.
Max.
Units
–––
–––
460
30
mJ
A
Diode Characteristics
Symbol
IS
ISM
VSD
trr
Qrr
trr
Qrr
2
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
–––
––– 110„
–––
–––
440
–––
–––
–––
–––
–––
–––
0.88
0.82
50
61
48
65
1.3
–––
75
92
72
98
A
V
ns
nC
ns
nC
Conditions
D
MOSFET symbol
showing the
G
integral reverse
S
p-n junction diode.
TJ = 25°C, IS = 30A, VGS = 0V ƒ
TJ = 125°C, I S = 30A, VGS = 0V ƒ
TJ = 25°C, I F = 16A, VR=10V
di/dt = 100A/µs ƒ
TJ = 125°C, IF = 16A, VR=10V
di/dt = 100A/µs ƒ
www.irf.com
IRFR/U3711
1000
1000
VGS
15V
10V
4.5V
3.7V
3.5V
3.3V
3.0V
BOTTOM 2.7V
VGS
15V
10V
4.5V
3.7V
3.5V
3.3V
3.0V
BOTTOM 2.7V
TOP
I D , Drain-to-Source Current (A)
I D , Drain-to-Source Current (A)
TOP
100
100
2.7V
2.7V
20µs PULSE WIDTH
TJ = 25 °C
10
0.1
1
10
100
Fig 1. Typical Output Characteristics
R DS(on) , Drain-to-Source On Resistance
(Normalized)
I D , Drain-to-Source Current (A)
2.0
TJ = 25 ° C
TJ = 150 ° C
100
V DS = 25V
20µs PULSE WIDTH
4.0
5.0
6.0
7.0
VGS , Gate-to-Source Voltage (V)
Fig 3. Typical Transfer Characteristics
www.irf.com
10
100
Fig 2. Typical Output Characteristics
1000
3.0
1
VDS , Drain-to-Source Voltage (V)
VDS , Drain-to-Source Voltage (V)
10
2.0
20µs PULSE WIDTH
TJ = 150 °C
10
0.1
8.0
ID = 110A
1.5
1.0
0.5
0.0
-60 -40 -20
VGS = 10V
0
20
40
60
80 100 120 140 160
TJ , Junction Temperature ( °C)
Fig 4. Normalized On-Resistance
Vs. Temperature
3
IRFR/U3711
VGS = 0V,
f = 1 MHZ
Ciss = Cgs + Cgd, Cds SHORTED
Crss = Cgd
C, Capacitance(pF)
Coss = Cds + Cgd
10000
Ciss
Coss
1000
Crss
VGS , Gate-to-Source Voltage (V)
10
100000
ID = 30A
VDS = 16V
VDS = 10V
8
6
4
2
100
1
10
100
0
0
V DS , Drain-to-Source Voltage (V)
10
20
30
40
50
Q G , Total Gate Charge (nC)
Fig 6. Typical Gate Charge Vs.
Gate-to-Source Voltage
Fig 5. Typical Capacitance Vs.
Drain-to-Source Voltage
10000
1000
100
ID , Drain-to-Source Current (A)
ISD , Reverse Drain Current (A)
OPERATION IN THIS AREA
LIMITED BY R DS (on)
1000
TJ = 150 ° C
10
TJ = 25 ° C
1
0.1
0.2
V GS = 0 V
0.8
1.4
2.0
VSD ,Source-to-Drain Voltage (V)
Fig 7. Typical Source-Drain Diode
Forward Voltage
4
2.6
100
100µsec
1msec
10
10msec
Tc = 25°C
Tj = 150°C
Single Pulse
1
1
10
100
VDS , Drain-toSource Voltage (V)
Fig 8. Maximum Safe Operating Area
www.irf.com
IRFR/U3711
120
VDS
RD
LIMITED BY PACKAGE
VGS
100
D.U.T.
I D , Drain Current (A)
RG
+
-VDD
80
VGS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
60
40
Fig 10a. Switching Time Test Circuit
VDS
20
90%
0
25
50
75
100
TC , Case Temperature
125
150
( °C)
10%
VGS
Fig 9. Maximum Drain Current Vs.
Case Temperature
td(on)
tr
t d(off)
tf
Fig 10b. Switching Time Waveforms
Thermal Response (Z thJC )
10
1
D = 0.50
0.20
P DM
0.10
0.1
t1
0.05
0.02
0.01
0.01
0.00001
t2
SINGLE PULSE
(THERMAL RESPONSE)
0.0001
Notes:
1. Duty factor D = t 1 / t 2
2. Peak T J = P DM x Z thJC + TC
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
www.irf.com
5
IRFR/U3711
1400
EAS , Single Pulse Avalanche Energy (mJ)
15 V
TOP
1200
L
VDS
D R IV E R
BOTTOM
ID
13A
19A
30A
1000
D .U .T
RG
+
- VD D
IA S
20V
0.0 1 Ω
tp
Fig 12a. Unclamped Inductive Test Circuit
V (B R )D SS
tp
A
800
600
400
200
0
25
50
75
100
125
150
Starting TJ , Junction Temperature ( °C)
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
IAS
Fig 12b. Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
QG
12V
.2µF
.3µF
VGS
QGS
D.U.T.
QGD
+
V
- DS
VGS
VG
3mA
IG
Charge
Fig 13a. Basic Gate Charge Waveform
6
ID
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit
www.irf.com
IRFR/U3711
Peak Diode Recovery dv/dt Test Circuit
+
D.U.T
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
Current Transformer
ƒ
+
‚
-
-
„
+

•
•
•
•
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
Driver Gate Drive
P.W.
D=
Period
+
-
VDD
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
Re-Applied
Voltage
Body Diode
VDD
Forward Drop
Inductor Curent
Ripple ≤ 5%
ISD
* VGS = 5V for Logic Level Devices
Fig 14. For N-Channel HEXFET® Power MOSFETs
www.irf.com
7
IRFR/U3711
D-Pak (TO-252AA) Package Outline
Dimensions are shown in millimeters (inches)
2 .3 8 (.0 9 4 )
2 .1 9 (.0 8 6 )
6 .7 3 (.2 6 5 )
6 .3 5 (.2 5 0 )
-A 1 .2 7 (.0 5 0 )
0 .8 8 (.0 3 5 )
5 .4 6 (.2 1 5 )
5 .2 1 (.2 0 5 )
1 .1 4 (.0 4 5 )
0 .8 9 (.0 3 5 )
0 .5 8 (.0 2 3 )
0 .4 6 (.0 1 8 )
4
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 0 .4 2 (.4 1 0 )
9 .4 0 (.3 7 0 )
1
2
1 - GATE
0 .5 1 (.0 2 0 )
M IN .
-B 1 .5 2 (.0 6 0 )
1 .1 5 (.0 4 5 )
3X
2X
1 .1 4 (.0 4 5 )
0 .7 6 (.0 3 0 )
L E A D A S S IG N M E N T S
3
0 .8 9 (.0 3 5 )
0 .6 4 (.0 2 5 )
0 .2 5 ( .0 1 0 )
2 - D R A IN
3 - S OU R CE
4 - D R A IN
0 .5 8 (.0 2 3 )
0 .4 6 (.0 1 8 )
M A M B
N O TE S :
2 .2 8 ( .0 9 0 )
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 .
4 .5 7 ( .1 8 0 )
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
www.irf.com
IRFR/U3711
I-Pak (TO-251AA) Package Outline
Dimensions are shown in millimeters (inches)
6 .7 3 (.26 5 )
6 .3 5 (.25 0 )
2 .3 8 (.0 9 4 )
2 .1 9 (.0 8 6 )
-A 1 .2 7 ( .0 5 0 )
0 .8 8 ( .0 3 5 )
5 .4 6 (.2 1 5 )
5 .2 1 (.2 0 5 )
0 .5 8 (.0 2 3 )
0 .4 6 (.0 1 8 )
4
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 .5 2 (.0 6 0 )
1 .1 5 (.0 4 5 )
1
2
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
3
-B -
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 .
2.2 8 (.0 9 0)
1.9 1 (.0 7 5)
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 .
9 .6 5 ( .3 8 0 )
8 .8 9 ( .3 5 0 )
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 )
2 .28 (.0 9 0 )
2X
3X
1 .1 4 ( .0 4 5 )
0 .8 9 ( .0 3 5 )
0 .8 9 (.0 35 )
0 .6 4 (.0 25 )
0 .2 5 (.0 1 0 )
M A M B
0 .5 8 (.0 2 3 )
0 .4 6 (.0 1 8 )
I-Pak (TO-251AA) Part Marking Information
www.irf.com
9
IRFR/U3711
D-Pak (TO-252AA) Tape & Reel Information
Dimensions are shown in millimeters (inches)
TR
TRR
16.3 ( .641 )
15.7 ( .619 )
12.1 ( .47 6 )
11.9 ( .46 9 )
F E E D D IR E C T IO N
TRL
16 .3 ( .641 )
15 .7 ( .619 )
8.1 ( .318 )
7.9 ( .312 )
FE E D D IR E C T IO N
N O T ES :
1 . C O N T R O LLIN G D IME N S IO N : M ILL IM ET E R .
2 . A LL D IM EN S IO N S A R E SH O W N IN M ILLIM ET E R S ( IN C H E S ).
3 . O U TL IN E C O N FO R MS T O E IA -481 & E IA -54 1.
1 3 IN C H
16 m m
N O TE S :
1. O U TL IN E C O N F O R M S T O E IA -481 .
Notes:
 Repetitive rating; pulse width limited by
max. junction temperature.
‚ Starting TJ = 25°C, L = 1.0mH
RG = 25Ω, IAS = 30A.
ƒ Pulse width ≤ 400µs; duty cycle ≤ 2%.
„Calculated continuous current based on maximum allowable
junction temperature. Package limitation current is 30A.
… 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.1/01
10
www.irf.com