IRF IRF7474

PD- 94097
IRF7474
HEXFET® Power MOSFET
Applications
Telecom and Data-Com 24 and 48V
input DC-DC converters
l Motor Control
l Uninterruptible Power Supply
Benefits
l Low On-Resistance
l High Speed Switching
l Low Gate Drive Current Due to Improved
Gate Charge Characteristic
l Improved Avalanche Ruggedness and
Dynamic dv/dt
l Fully Characterized Avalanche Voltage
and Current
VDSS
l
100V
RDS(on) max
63mΩ
Ω@VGS = 10V
8
S
2
7
D
S
3
6
D
4
5
D
G
4.5A
A
A
D
1
S
ID
SO-8
T o p V ie w
Absolute Maximum Ratings
Parameter
ID @ TA = 25°C
ID @ TA = 70°C
IDM
PD @TA = 25°C
VGS
dv/dt
TJ
TSTG
Continuous Drain Current, VGS @ 10V
Continuous Drain Current, VGS @ 10V
Pulsed Drain Current 
Power Dissipation„
Linear Derating Factor
Gate-to-Source Voltage
Peak Diode Recovery dv/dt †
Operating Junction and
Storage Temperature Range
Soldering Temperature, for 10 seconds
Max.
Units
4.5
3.6
36
2.5
0.02
± 20
5.5
-55 to + 150
A
W
W/°C
V
V/ns
°C
300 (1.6mm from case )
Thermal Resistance
Symbol
RθJL
RθJA
Parameter
Junction-to-Drain Lead
Junction-to-Ambient „
Typ.
Max.
Units
–––
–––
20
50
°C/W
Notes  through † are on page 8
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1
9/3/01
IRF7474
Static @ TJ = 25°C (unless otherwise specified)
Parameter
Drain-to-Source Breakdown Voltage
∆V(BR)DSS/∆TJ Breakdown Voltage Temp. Coefficient
RDS(on)
Static Drain-to-Source On-Resistance
VGS(th)
Gate Threshold Voltage
V(BR)DSS
IDSS
Drain-to-Source Leakage Current
IGSS
Gate-to-Source Forward Leakage
Gate-to-Source Reverse Leakage
Min.
100
–––
–––
3.5
–––
–––
–––
–––
Typ.
–––
0.11
50
–––
–––
–––
–––
–––
Max. Units
Conditions
–––
V
VGS = 0V, ID = 250µA
––– V/°C Reference to 25°C, ID = 1mA ƒ
63
mΩ VGS = 10V, ID = 2.7A ƒ
5.5
V
VDS = VGS, ID = 250µA
1.0
VDS = 95V, VGS = 0V
µA
250
VDS = 80V, VGS = 0V, TJ = 150°C
100
VGS = 20V
nA
-100
VGS = -20V
Dynamic @ TJ = 25°C (unless otherwise specified)
gfs
Qg
Qgs
Qgd
td(on)
tr
td(off)
tf
Ciss
Coss
Crss
Coss
Coss
Coss eff.
Parameter
Forward Transconductance
Total Gate Charge
Gate-to-Source Charge
Gate-to-Drain ("Miller") Charge
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Output Capacitance
Output Capacitance
Effective Output Capacitance
Min.
6.5
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
Typ.
–––
27
10
9.0
14
7.9
16
5.9
1400
100
56
380
68
110
Max. Units
Conditions
–––
S
VDS = 50V, ID = 2.7A
41
ID = 2.7A
–––
nC
VDS = 50V
–––
VGS = 10V,
–––
VDD = 50V
–––
ID = 2.7A
ns
–––
RG = 6.0Ω
–––
VGS = 10V ƒ
–––
VGS = 0V
–––
VDS = 25V
–––
pF
ƒ = 1.0MHz
–––
VGS = 0V, VDS = 1.0V, ƒ = 1.0MHz
–––
VGS = 0V, VDS = 80V, ƒ = 1.0MHz
–––
VGS = 0V, VDS = 0V to 80V …
Avalanche Characteristics
Parameter
EAS
IAR
Single Pulse Avalanche Energy‚
Avalanche Current
Typ.
Max.
Units
–––
–––
51
2.7
mJ
A
Diode Characteristics
IS
ISM
VSD
trr
Qrr
2
Parameter
Continuous Source Current
(Body Diode)
Pulsed Source Current
(Body Diode) 
Diode Forward Voltage
Reverse Recovery Time
Reverse RecoveryCharge
Min. Typ. Max. Units
–––
–––
2.3
–––
–––
36
–––
–––
–––
–––
45
100
1.3
–––
–––
A
V
ns
nC
Conditions
MOSFET symbol
showing the
G
integral reverse
p-n junction diode.
TJ = 25°C, IS = 2.7A, VGS = 0V
TJ = 25°C, IF = 2.7A
di/dt = 100A/µs ƒ
D
S
ƒ
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IRF7474
100
100
VGS
15V
12V
10V
8.0V
7.0V
6.5V
6.0V
BOTTOM 5.5V
10
1
5.5V
10
5.5V
20µs PULSE WIDTH
TJ = 25 °C
0.1
0.1
1
10
2.5
R DS(on) , Drain-to-Source On Resistance
(Normalized)
I D , Drain-to-Source Current (A)
TJ = 175 ° C
10
TJ = 25 ° C
1
V DS = 25V
20µs PULSE WIDTH
7.0
8.0
9.0
Fig 3. Typical Transfer Characteristics
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10
100
Fig 2. Typical Output Characteristics
100
6.0
1
VDS , Drain-to-Source Voltage (V)
Fig 1. Typical Output Characteristics
VGS , Gate-to-Source Voltage (V)
20µs PULSE WIDTH
TJ = 175 °C
1
0.1
100
VDS , Drain-to-Source Voltage (V)
0.1
5.0
VGS
15V
12V
10V
8.0V
7.0V
6.5V
6.0V
BOTTOM 5.5V
TOP
I D , Drain-to-Source Current (A)
I D , Drain-to-Source Current (A)
TOP
10.0
ID = 4.5A
2.0
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
IRF7474
VGS = 0V,
f = 1 MHZ
Ciss = Cgs + Cgd, Cds SHORTED
Crss = Cgd
Coss = Cds + Cgd
Ciss
1000
Coss
Crss
100
10
ID = 2.7A
VDS = 80V
VDS = 50V
VDS = 20V
16
12
8
4
0
1
10
0
100
100
ID , Drain-to-Source Current (A)
100
TJ = 150 ° C
10
1
TJ = 25 ° C
V GS = 0 V
0.6
0.8
1.0
1.2
1.4
VSD ,Source-to-Drain Voltage (V)
Fig 7. Typical Source-Drain Diode
Forward Voltage
4
20
30
40
Fig 6. Typical Gate Charge Vs.
Gate-to-Source Voltage
Fig 5. Typical Capacitance Vs.
Drain-to-Source Voltage
0.1
0.4
10
QG , Total Gate Charge (nC)
VDS , Drain-to-Source Voltage (V)
ISD , Reverse Drain Current (A)
C, Capacitance(pF)
10000
VGS , Gate-to-Source Voltage (V)
20
100000
1.6
OPERATION IN THIS AREA
LIMITED BY R DS (on)
10
100µsec
1
1msec
Tc = 25°C
Tj = 150°C
Single Pulse
0.1
1
10msec
10
100
1000
VDS , Drain-toSource Voltage (V)
Fig 8. Maximum Safe Operating Area
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IRF7474
5.0
VDS
VGS
I D , Drain Current (A)
4.0
RD
D.U.T.
RG
+
-VDD
3.0
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
2.0
Fig 10a. Switching Time Test Circuit
1.0
VDS
90%
0.0
25
50
75
100
TC , Case Temperature
125
150
( °C)
10%
VGS
Fig 9. Maximum Drain Current Vs.
Ambient Temperature
td(on)
tr
t d(off)
tf
Fig 10b. Switching Time Waveforms
Thermal Response (Z thJA )
100
D = 0.50
0.20
10
0.10
0.05
P DM
0.02
1
t1
0.01
t2
Notes:
1. Duty factor D = t 1 / t 2
2. Peak T J = P DM x Z thJA + TA
SINGLE PULSE
(THERMAL RESPONSE)
0.1
0.00001
0.0001
0.001
0.01
0.1
1
10
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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5
R DS(on) , Drain-to -Source On Resistance ( Ω )
R DS ( on) , Drain-to-Source On Resistance ( Ω )
IRF7474
0.30
0.25
0.20
0.15
VGS = 10V
0.10
0.05
0.00
0
20
40
60
80
0.07
0.06
0.05
ID = 2.7A
0.04
6.0
100
8.0
10.0
12.0
14.0
16.0
VGS, Gate -to -Source Voltage (V)
ID , Drain Current (A)
Fig 12. On-Resistance Vs. Drain Current
Fig 13. On-Resistance Vs. Gate Voltage
Current Regulator
Same Type as D.U.T.
QG
VGS
.2µF
QGS
.3µF
D.U.T.
+
V
- DS
QGD
120
VG
EAS , Single Pulse Avalanche Energy (mJ)
50KΩ
12V
VGS
3mA
Charge
IG
ID
Current Sampling Resistors
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
15 V
V (B R )D S S
tp
L
VD S
D .U .T
RG
IA S
20V
10V
tp
IAS
DRIVE R
+
- VD D
0.01 Ω
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
6
A
TOP
100
BOTTOM
ID
1.2A
2.2A
2.7A
80
60
40
20
0
25
50
75
100
125
150
Starting TJ , Junction Temperature ( °C)
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
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IRF7474
SO-8 Package Details
D IM
D
-B -
5
8
E
-A -
1
7
2
5
A
6
3
e
6X
5
H
0 .2 5 (.0 1 0 )
4
M
A M
θ
e1
K x 4 5°
-C -
0 .1 0 (.0 0 4 )
B 8X
0 .2 5 (.0 1 0 )
A1
L
8X
6
C
8X
M C A S B S
NOTES:
1 . D IM E N S IO N IN G A N D 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 . D IM E N S IO N S A R E S H O W N IN M IL L IM E T E R S (IN C H E S ).
4 . O U T L IN E C O N F O R M S T O J E D E C O U T L IN E M S -0 1 2 A A .
5 D IM E N S IO N D O E S N O T IN C L U D E M O L D P R O T R U S IO N S
M O L D P R O T R U S IO N S N O T T O E X C E E D 0 .2 5 (.0 0 6 ).
6 D IM E N S IO N S IS T H E L E N G T H O F L E A D F O R S O L D E R IN G T O A S U B S T R A T E ..
M IN
M AX
.05 32
.06 88
1.3 5
1.75
.00 40
.00 98
0.1 0
0.25
B
.01 4
.01 8
0.3 6
0.46
C
.00 75
.009 8
0.19
0.25
D
.18 9
.196
4.80
4.98
E
.15 0
.15 7
3.8 1
3.99
e1
A
M ILLIM E T E R S
M AX
A1
e
θ
IN C H E S
M IN
.05 0 B A S IC
1.27 B A S IC
.02 5 B A S IC
0 .635 B A S IC
H
.22 84
.244 0
K
.01 1
.01 9
0.2 8
5.8 0
0.48
6.20
L
0.16
.05 0
0.4 1
1.27
θ
0°
8°
0°
8°
R E C O M M E N D E D F O O T P R IN T
0 .7 2 (.0 2 8 )
8X
6 .4 6 ( .2 5 5 )
1 .7 8 (.0 7 0 )
8X
1 .2 7 ( .0 5 0 )
3X
SO-8 Part Marking
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7
IRF7474
SO-8 Tape and Reel
TER M IN AL N UM B ER 1
1 2.3 ( .484 )
1 1.7 ( .461 )
8.1 ( .318 )
7.9 ( .312 )
F EE D D IRE C TIO N
N OT E S :
1 . CO NT RO L L ING DIM E NSIO N : M IL L IM E T E R .
2 . AL L DIM E NS ION S ARE SHO W N IN M ILL IM E TER S (INC HE S ).
3 . OU TL IN E CO N FO RM S T O E IA -4 8 1 & E IA -5 4 1 .
33 0.00
(12.992)
M AX .
14.4 0 ( .566 )
12.4 0 ( .488 )
N O T ES :
1 . CO NT RO LL ING D IM EN SIO N : M ILLIME TER .
2 . O U TLIN E C O NF O RM S T O E IA-48 1 & E IA -54 1.
Notes:
 Repetitive rating; pulse width limited by
max. junction temperature.
‚ Starting TJ = 25°C, L = 14mH
„ When mounted on 1 inch square copper board
… Coss eff. is a fixed capacitance that gives the same charging time
as Coss while VDS is rising from 0 to 80% VDSS
† ISD ≤ 2.7A, di/dt ≤ 210A/µs, VDD ≤ V(BR)DSS,
RG = 25Ω, IAS = 2.7A.
ƒ Pulse width ≤ 400µs; duty cycle ≤ 2%.
TJ ≤ 150°C
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. 9/01
8
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