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PD - 95847
IRF6617
l l l l l l l
Application Specific MOSFETs Ideal for CPU Core DC-DC Converters Low Conduction Losses Low Switching Losses Low Profile (<0.7 mm) Dual Sided Cooling Compatible Compatible with Existing Surface Mount Techniques
HEXFET(R) Power MOSFET
VDSS
30V
RDS(on) max
8.1m@VGS = 10V 10.3m@VGS = 4.5V
Qg(typ.)
11nC
ST
Applicable DirectFET Outline and Substrate Outline (see p.7, 8 for details) SQ SX ST MQ MX MT
DirectFET ISOMETRIC
Description
The IRF6617 combines the latest HEXFET(R) Power MOSFET Silicon technology with the advanced DirectFETTM packaging to achieve the lowest on-state resistance in a package that has the footprint of a MICRO-8 and only 0.7 mm profile. The DirectFET package is compatible with existing layout geometries used in power applications, PCB assembly equipment and vapor phase, infra-red or convection soldering techniques, when application note AN-1035 is followed regarding the manufacturing methods and processes. The DirectFET package allows dual sided cooling to maximize thermal transfer in power systems, IMPROVING previous best thermal resistance by 80%. The IRF6617 balances both low resistance and low charge along with ultra low package inductance to reduce both conduction and switching losses. The reduced total losses make this product ideal for high efficiency DC-DC converters that power the latest generation of processors operating at higher frequencies. The IRF6617 has been optimized for parameters that are critical in synchronous buck converters including Rds(on) and gate charge to minimize losses in the control FET socket.
Absolute Maximum Ratings
Parameter
VDS VGS ID @ TC = 25C ID @ TA = 25C ID @ TA = 70C IDM PD @TA = 25C PD @TA = 70C PD @TC = 25C EAS IAR 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 Power Dissipation Single Pulse Avalanche Energyd Avalanche CurrentA Linear Derating Factor Operating Junction and Storage Temperature Range
Max.
30 20 55 14 11 120 2.1 1.4 42 27 12 0.017 -40 to + 150
Units
V
A
g g
W mJ A W/C C
Thermal Resistance
RJA RJA RJA RJC RJ-PCB Junction-to-Ambient Junction-to-Ambient Junction-to-Ambient Junction-to-Case Junction-to-PCB Mounted
fj gj hj ij
Parameter
Typ.
--- 12.5 20 --- 1.0
Max.
58 --- --- 3.0 ---
Units
C/W
Notes through are on page 2
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3/12/04
IRF6617
Static @ TJ = 25C (unless otherwise specified)
Parameter
BVDSS VDSS/TJ RDS(on) VGS(th) VGS(th)/TJ IDSS IGSS gfs Qg Qgs1 Qgs2 Qgd Qgodr Qsw Qoss 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 Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Input Capacitance Output Capacitance Reverse Transfer Capacitance
Min.
30 --- --- --- 1.35 --- --- --- --- --- 39 --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Typ. Max. Units
--- 25 6.2 7.9 --- -5.4 --- --- --- --- --- 11 3.1 1.0 4.0 2.9 5.0 10 11 34 12 3.7 1300 430 160 --- --- 8.1 V
Conditions
VGS = 0V, ID = 250A
mV/C Reference to 25C, ID = 1mA m VGS = 10V, ID = 15A e VGS = 4.5V, ID = 12A e 10.3 2.35 --- 1.0 150 100 -100 --- 17 --- --- --- --- --- --- --- --- --- --- --- --- --- pF VGS = 0V VDS = 15V = 1.0MHz ns nC VDS = 15V, VGS = 0V VDD = 16V, VGS = 4.5V ID = 12A Clamped Inductive Load e nC VDS = 15V VGS = 4.5V ID = 12A See Fig. 17 S nA V mV/C A VDS = 24V, VGS = 0V VDS = 24V, VGS = 0V, TJ = 125C VGS = 20V VGS = -20V VDS = 15V, ID = 12A VDS = VGS, ID = 250A
Diode Characteristics
Parameter
IS ISM VSD trr Qrr Continuous Source Current (Body Diode) Pulsed Source Current (Body Diode) c Diode Forward Voltage Reverse Recovery Time Reverse Recovery Charge
Min.
--- --- --- --- ---
Typ. Max. Units
--- --- 0.81 16 7.2 53 A 120 1.0 24 11 V ns nC
Conditions
MOSFET symbol showing the integral reverse
G S D
p-n junction diode. TJ = 25C, IS = 12A, VGS = 0V e TJ = 25C, IF = 12A di/dt = 100A/s e
Notes:
Repetitive rating; pulse width limited by
max. junction temperature. Starting TJ = 25C, L = 0.40mH, RG = 25, IAS = 12A. Pulse width 400s; duty cycle 2%. Surface mounted on 1 in. square Cu board.
Used double sided cooling, mounting pad. Mounted on minimum footprint full size board with metalized
back and with small clip heatsink.
TC measured with thermal couple mounted to top (Drain) of part. R is measured at TJ of approximately 90C.
2
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IRF6617
1000
TOP VGS 10V 5.0V 4.5V 4.0V 3.5V 3.0V 2.8V 2.5V
1000
TOP VGS 10V 5.0V 4.5V 4.0V 3.5V 3.0V 2.8V 2.5V
ID, Drain-to-Source Current (A)
100
BOTTOM
ID, Drain-to-Source Current (A)
100
BOTTOM
10
10
1
2.5V
0.1 0.1 1
60s PULSE WIDTH Tj = 25C
10 100
2.5V
1 0.1 1
60s PULSE WIDTH Tj = 150C
10 100
VDS, Drain-to-Source Voltage (V)
VDS, Drain-to-Source Voltage (V)
Fig 1. Typical Output Characteristics
1000.0
Fig 2. Typical Output Characteristics
2.0
RDS(on) , Drain-to-Source On Resistance (Normalized)
ID, Drain-to-Source Current ()
ID = 15A VGS = 10V
100.0
1.5
10.0
T J = 150C T J = 25C
1.0
1.0
VDS = 15V 60s PULSE WIDTH
0.1 1.0 2.0 3.0 4.0 5.0 6.0
0.5 -60 -40 -20 0 20 40 60 80 100 120 140 160
VGS, Gate-to-Source Voltage (V)
T J , Junction Temperature (C)
Fig 3. Typical Transfer Characteristics
Fig 4. Normalized On-Resistance vs. Temperature
12 ID= 12A
VGS, Gate-to-Source Voltage (V)
10000
VGS = 0V, f = 1 MHZ C iss = C gs + C gd, C ds SHORTED C rss = C gd C oss = C ds + C gd
10 8 6 4 2 0
VDS= 24V VDS= 15V
C, Capacitance (pF)
Ciss
1000
Coss
Crss
100 1 10 100
0
5
10
15
20
25
30
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
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IRF6617
1000.0
1000
OPERATION IN THIS AREA LIMITED BY R DS(on)
ID, Drain-to-Source Current (A)
ISD, Reverse Drain Current (A)
100.0
100
T J = 150C 10.0
10
100sec 1msec
1.0
T J = 25C VGS = 0V
1
Tc = 25C Tj = 150C Single Pulse
0.1 0 1 10
10msec
0.1 0.2 0.4 0.6 0.8 1.0 1.2 VSD, Source-to-Drain Voltage (V)
100
1000
VDS , Drain-toSource Voltage (V)
Fig 7. Typical Source-Drain Diode Forward Voltage
60 2.5
Fig 8. Maximum Safe Operating Area
50
40
VGS(th) Gate threshold Voltage (V)
ID , Drain Current (A)
2.0
30
ID = 250A
20
1.5
10
0 25 50 75 100 125 150
1.0 -75 -50 -25 0 25 50 75 100 125 150
T J , Junction Temperature (C)
T J , Temperature ( C )
Fig 9. Maximum Drain Current vs. Case Temperature
100
Fig 10. Threshold Voltage vs. Temperature
D = 0.50
Thermal Response ( Z thJA )
10
0.20 0.10 0.05
1
0.02 0.01
J J 1
R1 R1 2
R2 R2
R3 R3 3
R4 R4 C 4
Ri (C/W)
2.023 19.48 21.78 14.71
i (sec)
0.000678 0.240237 2.0167 58
0.1
1
2
3
4
Ci= i/Ri Ci i/Ri
0.01
SINGLE PULSE ( THERMAL RESPONSE )
Notes: 1. Duty Factor D = t1/t2 2. Peak Tj = P dm x Zthja + Tc
0.001 0.01 0.1 1 10 100
0.001 1E-006 1E-005 0.0001
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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IRF6617
RDS(on), Drain-to -Source On Resistance ( m)
EAS, Single Pulse Avalanche Energy (mJ)
24
120
ID = 15A
20
100
ID 5.2A 7.9A BOTTOM 12A
TOP
80
16
60
12
T J = 125C
40
8
20
T J = 25C
4 2.0 4.0 6.0 8.0 10.0
0 25 50 75 100 125 150
VGS, Gate-to-Source Voltage (V)
Starting T J, Junction Temperature (C)
Fig 12. On-Resistance Vs. Gate Voltage
Fig 13c. Maximum Avalanche Energy Vs. Drain Current
15V
LD VDS
DRIVER
VDS
L
+
VDD -
RG
VGS 20V
D.U.T
IAS tp
+ V - DD
A
D.U.T VGS Pulse Width < 1s Duty Factor < 0.1%
0.01
Fig 13a. Unclamped Inductive Test Circuit
V(BR)DSS tp
Fig 14a. Switching Time Test Circuit
VDS
90%
10%
VGS
I AS
td(on)
tr
td(off)
tf
Fig 13b. Unclamped Inductive Waveforms
Current Regulator Same Type as D.U.T.
Fig 14b. Switching Time Waveforms
Id Vds Vgs
50K 12V .2F .3F
D.U.T. VGS
3mA
+ V - DS
Vgs(th)
IG
ID
Current Sampling Resistors
Qgs1 Qgs2
Qgd
Qgodr
Fig 15. Gate Charge Test Circuit
Fig 16. Gate Charge Waveform
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IRF6617
D.U.T
Driver Gate Drive
+
P.W.
Period
D=
P.W. Period VGS=10V
+
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
* * * * di/dt controlled by RG Driver same type as D.U.T. ISD controlled by Duty Factor "D" D.U.T. - Device Under Test
VDD
VDD
+ -
Re-Applied Voltage
Body Diode
Forward Drop
Inductor Curent Inductor Current
Ripple 5% ISD
* VGS = 5V for Logic Level Devices Fig 17. Diode Reverse Recovery Test Circuit for N-Channel HEXFET(R) Power MOSFETs
DirectFET Substrate and PCB Layout, ST Outline (Small Size Can, T-Designation).
Please see DirectFET application note AN-1035 for all details regarding the assembly of DirectFET. This includes all recommendations for stencil and substrate designs.
1- Drain 2- Drain 3- Source 4- Source 5- Gate 6- Drain 7- Drain
6 5 7
3 4
1
2
6
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IRF6617
DirectFET Outline Dimension, ST Outline (Small Size Can, T-Designation).
Please see DirectFET application note AN-1035 for all details regarding the assembly of DirectFET. This includes all recommendations for stencil and substrate designs.
DIMENSIONS
METRIC MAX CODE MIN 4.85 A 4.75 3.95 B 3.70 2.85 C 2.75 0.45 D 0.35 0.62 E 0.58 0.62 F 0.58 0.79 G 0.75 0.57 H 0.53 0.30 J 0.26 K O.88 0.98 2.28 L 2.18 0.70 M 0.59 0.08 N 0.03 0.17 P 0.08 IMPERIAL MIN 0.187 0.146 0.108 0.014 0.023 0.023 0.030 0.021 0.010 0.035 0.086 0.023 0.001 0.003 MAX 0.191 0.156 0.112 0.018 0.024 0.024 0.031 0.022 0.012 0.039 0.090 0.028 0.003 0.007
Note: Controlling dimensions are in mm
DirectFET Part Marking
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IRF6617
DirectFET Tape & Reel Dimension (Showing component orientation).
NOTE: Controlling dimensions in mm Std reel quantity is 4800 parts. (ordered as IRF6617). For 1000 parts on 7" reel, order IRF6617TR1 REEL DIMENSIONS TR1 OPTION (QTY 1000) STANDARD OPTION (QTY 4800) IMPERIAL IMPERIAL METRIC METRIC MIN MIN MAX CODE MAX MIN MIN MAX MAX 12.992 A 6.9 N.C 177.77 N.C N.C 330.0 N.C 0.795 B 0.75 N.C 19.06 20.2 N.C N.C N.C 0.504 C 0.53 0.50 13.5 12.8 0.520 12.8 13.2 0.059 D 0.059 N.C 1.5 1.5 N.C N.C N.C 3.937 E 2.31 58.72 100.0 N.C N.C N.C N.C F N.C N.C 0.53 N.C N.C 0.724 13.50 18.4 G 0.488 0.47 N.C 11.9 12.4 0.567 12.01 14.4 H 0.469 0.47 11.9 11.9 N.C 0.606 12.01 15.4
Loaded Tape Feed Direction
NOTE: CONTROLLING DIMENSIONS IN MM
CODE A B C D E F G H
DIMENSIONS METRIC IMPERIAL MIN MAX MIN MAX 0.311 0.319 7.90 8.10 0.154 0.161 4.10 3.90 0.469 0.484 11.90 12.30 0.215 0.219 5.45 5.55 0.201 0.209 5.30 5.10 0.256 0.264 6.50 6.70 0.059 N.C 1.50 N.C 0.059 0.063 1.50 1.60
Data and specifications subject to change without notice. This product has been designed and qualified for the Consumer 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.03/04
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