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
l
VDSS
100V
RDS(on) max 63mΩ@VGS = 10V
ID
4.5A
S S S G
1
8
A A D D D D
2
7
3
6
4
5
T o p V ie w
SO-8
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.
4.5 3.6 36 2.5 0.02 ± 20 5.5 -55 to + 150 300 (1.6mm from case )
Units
A W W/°C V V/ns °C
Thermal Resistance
Symbol
RθJL RθJA
Parameter
Junction-to-Drain Lead Junction-to-Ambient
Typ.
––– –––
Max.
20 50
Units
°C/W
Notes through are on page 8
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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 IGSS Drain-to-Source Leakage Current 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 63 mΩ VGS = 10V, ID = 2.7A 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 ––– 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.
51 2.7
Units
mJ A
Diode Characteristics
IS
ISM
VSD trr Qrr
Parameter Continuous Source Current (Body Diode) Pulsed Source Current (Body Diode) Diode Forward Voltage Reverse Recovery Time Reverse RecoveryCharge
Min. Typ. Max. Units ––– ––– ––– ––– ––– ––– ––– ––– 45 100 2.3 A 36 1.3 ––– ––– 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
D
S
2
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IRF7474
100
VGS 15V 12V 10V 8.0V 7.0V 6.5V 6.0V BOTTOM 5.5V TOP
100
10
I D , Drain-to-Source Current (A)
I D , Drain-to-Source Current (A)
VGS 15V 12V 10V 8.0V 7.0V 6.5V 6.0V BOTTOM 5.5V TOP
10
1
5.5V
5.5V
20µs PULSE WIDTH TJ = 25 °C
1 10 100
0.1 0.1
1 0.1
20µs 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
100
2.5
TJ = 175 ° C
10
R DS(on) , Drain-to-Source On Resistance (Normalized)
ID = 4.5A
I D , Drain-to-Source Current (A)
2.0
1.5
TJ = 25 ° C
1
1.0
0.5
0.1 5.0
V DS = 25V 20µs PULSE WIDTH 6.0 7.0 8.0 9.0 10.0
0.0 -60 -40 -20
VGS = 10V
0 20 40 60 80 100 120 140 160
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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IRF7474
100000 20 VGS = 0V, f = 1 MHZ Ciss = C + C , C gs gd ds SHORTED Crss = C gd Coss = C + C ds gd
ID = 2.7A VDS = 80V VDS = 50V VDS = 20V
VGS , Gate-to-Source Voltage (V)
16
10000
C, Capacitance(pF)
12
Ciss
1000
Coss
100
8
Crss
4
10 1 10 100
0 0 10 20 30 40
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
100
100
OPERATION IN THIS AREA LIMITED BY R DS (on)
ISD , Reverse Drain Current (A)
TJ = 150 ° C
10
ID , Drain-to-Source Current (A)
10
100µsec 1
1
TJ = 25 ° C
1msec Tc = 25°C Tj = 150°C Single Pulse 1 10
10msec 100 1000
0.1 0.4
V GS = 0 V
0.6 0.8 1.0 1.2 1.4 1.6
0.1
VSD ,Source-to-Drain Voltage (V)
VDS , Drain-toSource Voltage (V)
Fig 7. Typical Source-Drain Diode Forward Voltage
Fig 8. Maximum Safe Operating Area
4
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IRF7474
5.0
VDS
4.0
RD
VGS RG
D.U.T.
+
I D , Drain Current (A)
-VDD
3.0
10V
2.0
Pulse Width ≤ 1 µs Duty Factor ≤ 0.1 %
Fig 10a. Switching Time Test Circuit
1.0
VDS 90%
0.0 25 50 75 100 125 150
TC , Case Temperature
( °C)
10% VGS
td(on) tr t d(off) tf
Fig 9. Maximum Drain Current Vs. Ambient Temperature
Fig 10b. Switching Time Waveforms
100
Thermal Response (Z thJA )
D = 0.50 0.20 0.10 0.05 0.02 0.01 P DM t1 t2 SINGLE PULSE (THERMAL RESPONSE) 0.1 0.00001 Notes: 1. Duty factor D = t 1 / t 2 2. Peak T J = P DM x Z thJA + TA 0.001 0.01 0.1 1 10
10
1
0.0001
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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IRF7474
R DS ( on) , Drain-to-Source On Resistance ( Ω ) R DS(on) , Drain-to -Source On Resistance ( Ω )
0.30 0.07
0.25
0.20
0.06
0.15
VGS = 10V
0.10
0.05
ID = 2.7A
0.05
0.00 0 20 40 60 80 100
0.04 6.0 8.0 10.0 12.0 14.0 16.0
ID , Drain Current (A)
VGS, Gate -to -Source Voltage (V)
Fig 12. On-Resistance Vs. Drain Current
Current Regulator Same Type as D.U.T.
Fig 13. On-Resistance Vs. Gate Voltage
50KΩ 12V .2µF .3µF
VGS
QGS
D.U.T. + V - DS
QG QGD
120
EAS , Single Pulse Avalanche Energy (mJ)
VG
VGS
3mA
TOP
100
Charge
IG ID
BOTTOM
ID 1.2A 2.2A 2.7A
Current Sampling Resistors
80
Fig 14a&b. Basic Gate Charge Test Circuit and Waveform
60
40
15 V
V (B R )D S S tp VD S L DRIVE R
20
RG
20V 10V
D .U .T IA S
+ - VD D
0 25 50 75 100 125 150
A
IAS
tp
0.01 Ω
Starting TJ , Junction Temperature ( °C)
Fig 15a&b. Unclamped Inductive Test circuit and Waveforms
Fig 15c. Maximum Avalanche Energy Vs. Drain Current
6
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IRF7474
SO-8 Package Details
D -B-
D IM
5
IN C H E S M IN .05 32 .00 40 .01 4 .00 75 .18 9 .15 0 M AX .06 88 .00 98 .01 8 .009 8 .196 .15 7
M ILLIM E T E R S M IN 1.3 5 0.1 0 0.3 6 0.19 4.80 3.8 1 M AX 1.75 0.25 0.46 0.25 4.98 3.99
A
6 5 H 0 .2 5 (.0 1 0 ) M AM
5
8 E -A-
7
A1 B C D E e e1 H K
0 .1 0 (.0 0 4 ) L 8X 6 C 8X
1
2
3
4
e 6X
e1 A
θ
θ
K x 4 5°
.05 0 B A S IC .02 5 B A S IC .22 84 .01 1 0.16 0° .244 0 .01 9 .05 0 8°
1.27 B A S IC 0 .635 B A S IC 5.8 0 0.2 8 0.4 1 0° 6.20 0.48 1.27 8°
-C B 8X 0 .2 5 (.0 1 0 ) A1 M CASBS
L θ
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
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 ..
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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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 .
3 3 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
RG = 25Ω, IAS = 2.7A.
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,
TJ ≤ 150°C
Pulse width ≤ 400µs; duty cycle ≤ 2%.
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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