IRF IRF3708PBF High frequency dc-dc isolated converter Datasheet

PD - 95363
IRF3708PbF
IRF3708SPbF
IRF3708LPbF
SMPS MOSFET
Applications
l
High Frequency DC-DC Isolated Converters
with Synchronous Rectification for Telecom
and Industrial Use
l
High Frequency Buck Converters for
Computer Processor Power
Lead-Free
l
HEXFET® Power MOSFET
VDSS
RDS(on) max
ID
30V
12mΩ
62A
Benefits
l
Ultra-Low Gate Impedance
l
Very Low RDS(on) at 4.5V VGS
l
Fully Characterized Avalanche Voltage
and Current
D2Pak
IRF3708S
TO-220AB
IRF3708
TO-262
IRF3708L
Absolute Maximum Ratings
Symbol
VDS
VGS
ID @ TC = 25°C
ID @ TC = 70°C
IDM
PD @TC = 25°C
PD @TC = 70°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 Dissipationƒ
Maximum Power Dissipationƒ
Linear Derating Factor
Junction and Storage Temperature Range
Max.
Units
30
±12
62
52
248
87
61
0.58
-55 to + 175
V
V
A
W
W
W/°C
°C
Thermal Resistance
RθJC
RθCS
RθJA
RθJA
Parameter
Typ.
Max.
Junction-to-Case
Case-to-Sink, Flat, Greased Surface „
Junction-to-Ambient„
Junction-to-Ambient (PCB mount)*
–––
0.50
–––
–––
1.73
–––
62
40
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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1
6/10/04
IRF3708/S/LPbF
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.
30
–––
–––
Static Drain-to-Source On-Resistance –––
–––
Gate Threshold Voltage
0.6
–––
Drain-to-Source Leakage Current
–––
Gate-to-Source Forward Leakage
–––
Gate-to-Source Reverse Leakage
–––
Typ.
–––
0.028
8
9.5
14.5
–––
–––
–––
–––
–––
Max. Units
––– V
––– V/°C
12.0
13.5 mΩ
29
2.0
V
20
µA
100
200
nA
-200
Conditions
VGS = 0V, ID = 250µA
Reference to 25°C, ID = 1mA
VGS = 10V, ID = 15A ƒ
VGS = 4.5V, ID = 12A ƒ
VGS = 2.8V, ID = 7.5A ƒ
VDS = VGS, ID = 250µA
VDS = 24V, VGS = 0V
VDS = 24V, VGS = 0V, TJ = 125°C
VGS = 12V
VGS = -12V
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.
49
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
Typ.
–––
24
6.7
5.8
14
7.2
50
17.6
3.7
2417
707
52
Max. Units
Conditions
–––
S
VDS = 15V, ID = 50A
–––
ID = 24.8A
–––
nC
VDS = 15V
–––
VGS = 4.5V ƒ
21
VGS = 0V, ID = 24.8A, VDS = 15V
–––
VDD = 15V
–––
ID = 24.8A
ns
–––
RG = 0.6Ω
–––
VGS = 4.5V ƒ
–––
VGS = 0V
–––
VDS = 15V
–––
pF
ƒ = 1.0MHz
Avalanche Characteristics
Symbol
EAS
IAR
Parameter
Single Pulse Avalanche Energy‚
Avalanche Current
Typ.
Max.
Units
–––
–––
213
62
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
Recovery
Recovery
Recovery
Time
Charge
Time
Charge
Min. Typ. Max. Units
–––
–––
62
–––
–––
248
–––
–––
–––
–––
–––
–––
0.88
0.80
41
64
43
70
1.3
–––
62
96
65
105
A
V
ns
nC
ns
nC
Conditions
D
MOSFET symbol
showing the
G
integral reverse
S
p-n junction diode.
TJ = 25°C, IS = 31A, VGS = 0V ƒ
TJ = 125°C, IS = 31A, VGS = 0V ƒ
TJ = 25°C, IF = 31A, VR=20V
di/dt = 100A/µs ƒ
TJ = 125°C, IF = 31A, VR=20V
di/dt = 100A/µs ƒ
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IRF3708/S/LPbF
VGS
TOP
10.0V
5.0V
4.5V
4.0V
3.5V
3.3V
3.0V
BOTTOM 2.7V
100
2.7V
10
1000
VGS
10.0V
5.0V
4.5V
4.0V
3.5V
3.3V
3.0V
BOTTOM 2.7V
TOP
ID, Drain-to-Source Current (A)
ID, Drain-to-Source Current (A)
1000
100
2.7V
10
20µs PULSE WIDTH
Tj = 175°C
20µs PULSE WIDTH
Tj = 25°C
1
1
0.1
1
10
100
0.1
VDS, Drain-to-Source Voltage (V)
Fig 1. Typical Output Characteristics
2.5
RDS(on) , Drain-to-Source On Resistance
(Normalized)
I D , Drain-to-Source Current (A)
TJ = 25 ° C
TJ = 175 ° C
V DS = 15V
20µs PULSE WIDTH
10
2.0
3.0
4.0
5.0
6.0
VGS , Gate-to-Source Voltage (V)
Fig 3. Typical Transfer Characteristics
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10
100
Fig 2. Typical Output Characteristics
1000
100
1
VDS, Drain-to-Source Voltage (V)
ID = 62A
2.0
1.5
1.0
0.5
0.0
-60 -40 -20 0
VGS = 10V
20 40 60 80 100 120 140 160 180
TJ , Junction Temperature ( °C)
Fig 4. Normalized On-Resistance
Vs. Temperature
3
IRF3708/S/LPbF
3500
10
2800
VGS , Gate-to-Source Voltage (V)
VGS = 0V,
f = 1MHz
Ciss = Cgs + Cgd , Cds SHORTED
Crss = Cgd
Coss = Cds + Cgd
C, Capacitance (pF)
Ciss
2100
1400
Coss
700
0
Crss
1
10
6
4
2
0
VDS , Drain-to-Source Voltage (V)
20
30
40
50
Fig 6. Typical Gate Charge Vs.
Gate-to-Source Voltage
1000
1000
OPERATION IN THIS AREA LIMITED
BY RDS(on)
TJ = 175 ° C
100
ID , Drain Current (A)
ISD , Reverse Drain Current (A)
10
QG , Total Gate Charge (nC)
Fig 5. Typical Capacitance Vs.
Drain-to-Source Voltage
10us
100
TJ = 25 ° C
10
1
100us
1ms
10
10ms
0.1
0.2
TC = 25 ° C
TJ = 175 ° C
Single Pulse
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
VDS = 15V
8
0
100
ID = 24.8A
2.6
1
0.1
1
10
100
VDS , Drain-to-Source Voltage (V)
Fig 8. Maximum Safe Operating Area
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IRF3708/S/LPbF
70
RD
VDS
VGS
60
D.U.T.
ID , Drain Current (A)
RG
+
-VDD
50
10V
40
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
30
Fig 10a. Switching Time Test Circuit
20
VDS
90%
10
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
Thermal Response (Z thJC )
10
1 D = 0.50
0.20
0.10
PDM
0.05
0.1
0.02
0.01
0.01
0.00001
t1
SINGLE PULSE
(THERMAL RESPONSE)
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
1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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5
0.025
0.017
(
RDS(on), Drain-to -Source On ResistanceΩ)
RDS ( on ) , Drain-to-Source On Resistance Ω
( )
IRF3708/S/LPbF
0.015
0.020
0.013
0.015
VGS = 4.5V
0.011
0.010
ID = 31A
0.009
VGS = 10V
0.005
0
50
100
150
200
250
0.007
300
2.0
ID , Drain Current ( A )
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
VGS, Gate -to -Source Voltage (V)
Fig 12. On-Resistance Vs. Drain Current
Fig 13. On-Resistance Vs. Gate Voltage
Current Regulator
Same Type as D.U.T.
QG
VGS
QGS
.3µF
D.U.T.
+
V
- DS
QGD
600
VG
EAS , Single Pulse Avalanche Energy (mJ)
50KΩ
.2µF
12V
VGS
3mA
Charge
IG
ID
Current Sampling Resistors
Fig 14a&b. Gate Charge Test Circuit
and Waveform
15V
V(BR)DSS
tp
L
VDS
D.U.T
RG
IAS
20V
tp
I AS
DRIVER
+
- VDD
0.01Ω
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
6
A
ID
10A
20.7A
BOTTOM 24.8A
TOP
480
360
240
120
0
25
50
75
100
125
150
Starting TJ , Junction Temperature ( °C)
175
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
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IRF3708/S/LPbF
TO-220AB Package Outline
Dimensions are shown in millimeters (inches)
2.87 (.113)
2.62 (.103)
10.54 (.415)
10.29 (.405)
-B-
3.78 (.149)
3.54 (.139)
4.69 (.185)
4.20 (.165)
-A-
1.32 (.052)
1.22 (.048)
6.47 (.255)
6.10 (.240)
4
15.24 (.600)
14.84 (.584)
LEAD ASSIGNMENTS
1.15 (.045)
MIN
1
2
3
4- DRAIN
14.09 (.555)
13.47 (.530)
1.40 (.055)
1.15 (.045)
4- COLLECTOR
4.06 (.160)
3.55 (.140)
3X
3X
LEAD ASSIGNMENTS
IGBTs, CoPACK
1 - GATE
2 - DRAIN
1- GATE
1- GATE
3 - SOURCE 2- COLLECTOR
2- DRAIN
3- SOURCE
3- EMITTER
4 - DRAIN
HEXFET
0.93 (.037)
0.69 (.027)
0.36 (.014)
3X
M
B A M
0.55 (.022)
0.46 (.018)
2.92 (.115)
2.64 (.104)
2.54 (.100)
2X
NOTES:
1 DIMENSIONING & TOLERANCING PER ANSI Y14.5M, 1982.
3 OUTLINE CONFORMS TO JEDEC OUTLINE TO-220AB.
2 CONTROLLING DIMENSION : INCH
4 HEATSINK & LEAD MEASUREMENTS DO NOT INCLUDE BURRS.
TO-220AB Part Marking Information
E XAMPL E : T HIS IS AN IR F 1010
L OT CODE 1789
AS S E MB L E D ON WW 19, 1997
IN T H E AS S E MB L Y L INE "C"
Note: "P" in assembly line
position indicates "Lead-Free"
INT E R NAT IONAL
R E CT IF IE R
L OGO
AS S E MB L Y
L OT CODE
www.irf.com
PAR T NU MB E R
DAT E CODE
YE AR 7 = 1997
WE E K 19
L INE C
7
IRF3708/S/LPbF
D2Pak Package Outline
Dimensions are shown in millimeters (inches)
D2Pak Part Marking Information (Lead-Free)
T H IS IS AN IR F 5 3 0 S W IT H
L O T CO D E 8 0 2 4
AS S E M B L E D O N W W 0 2 , 2 0 0 0
IN T H E AS S E M B L Y L IN E "L "
IN T E R N AT IO N AL
R E CT IF IE R
L O GO
N ote: "P " in as s em bly lin e
po s i tion in dicates "L ead-F r ee"
P AR T N U M B E R
F 53 0 S
AS S E M B L Y
L O T CO D E
D AT E CO D E
Y E AR 0 = 2 0 0 0
W E E K 02
L IN E L
OR
IN T E R N AT IO N AL
R E C T IF IE R
L OG O
AS S E M B L Y
L OT CO D E
8
P AR T N U M B E R
F 530 S
D AT E C O D E
P = D E S IG N AT E S L E AD -F R E E
P R O D U C T (O P T IO N AL )
Y E AR 0 = 2 0 0 0
WE E K 02
A = AS S E M B L Y S IT E C O D E
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IRF3708/S/LPbF
TO-262 Package Outline
IGBT
1- GATE
2- COLLECTOR
3- EMITTER
TO-262 Part Marking Information
EXAMPLE: T HIS IS AN IRL3103L
LOT CODE 1789
AS SEMBLED ON WW 19, 1997
IN T HE ASS EMBLY LINE "C"
Note: "P" in as s embly line
pos ition indicates "Lead-Free"
INTERNAT IONAL
RECT IFIER
LOGO
AS S EMBLY
LOT CODE
PART NUMBER
DATE CODE
YEAR 7 = 1997
WEEK 19
LINE C
OR
INT ERNAT IONAL
RECT IFIER
LOGO
ASS EMBLY
LOT CODE
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PART NUMBER
DAT E CODE
P = DES IGNAT ES LEAD-FREE
PRODUCT (OPTIONAL)
YEAR 7 = 1997
WEEK 19
A = AS SEMBLY S ITE CODE
9
IRF3708/S/LPbF
D2Pak Tape & Reel Infomation
Dimensions are shown in millimeters (inches)
TRR
1.60 (.063)
1.50 (.059)
4.10 (.161)
3.90 (.153)
FEED DIRECTION 1.85 (.073)
1.60 (.063)
1.50 (.059)
11.60 (.457)
11.40 (.449)
1.65 (.065)
0.368 (.0145)
0.342 (.0135)
15.42 (.609)
15.22 (.601)
24.30 (.957)
23.90 (.941)
TRL
1.75 (.069)
1.25 (.049)
10.90 (.429)
10.70 (.421)
4.72 (.136)
4.52 (.178)
16.10 (.634)
15.90 (.626)
FEED DIRECTION
13.50 (.532)
12.80 (.504)
27.40 (1.079)
23.90 (.941)
4
330.00
(14.173)
MAX.
60.00 (2.362)
MIN.
NOTES :
1. COMFORMS TO EIA-418.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION MEASURED @ HUB.
4. INCLUDES FLANGE DISTORTION @ OUTER EDGE.
26.40 (1.039)
24.40 (.961)
3
30.40 (1.197)
MAX.
4
Notes:
 Repetitive rating; pulse width limited by
max. junction temperature.
‚ Starting TJ = 25°C, L = 0.7 mH
RG = 25Ω, IAS = 24.8 A.
ƒ Pulse width ≤ 300µs; duty cycle ≤ 2%.
„ This is only applied to TO-220AB package
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.06/04
10
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Note: For the most current drawings please refer to the IR website at:
http://www.irf.com/package/
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