Datasheet FDD3672 Datasheet (Fairchild Semiconductor)

Page 1
FDD3672
N-Channel UltraFET® Trench MOSFET 100V, 44A, 28mΩ
FDD3672
June 2002
Features
•r
•Q
• Low Miller Charge
= 24mΩ (Typ.), V
DS(ON)
(tot) = 24nC (Typ.), V
g
= 10V, ID = 44A
GS
= 10V
GS
Applications
• DC/DC converters and Off-Line UPS
• Distributed Power Architectures and VRMs
• PrimarySwitch for 24V and 48V Systems
• Low Qrr Body Diode
• Optimized eff iciency at high frequ encies
• UIS Capability (Single Pulse and Repetitive Pulse)
• Qualified to AEC Q101
• High Voltage Synchronous R ectifier
• Direct Injection / Diesel Injection System
• 42V Automotive Load Control
• Electronic Valve Train System
Formerly developmental type 82760
GATE
SOURCE
DRAIN
(FLANGE)
G
D
TO-252AB
FDDSERIES
MOSFET Maximum Ratings T
= 25°C unless otherwise noted
C
Symbol Parameter Ratings Units
V
DSS
V
GS
Drain to Source Voltage 100 V Gate to Source Voltage ±20 V Drain Curr e nt Continuous (T
I
D
Continuous (T Continuous (T
= 25oC, VGS = 10V)
C
= 100oC, VGS = 10V) 31 A
C
= 25oC, VGS = 10V, R
amb
= 52oC/W) 6.5 A
θJA
Pulsed Figure 4 A
E
AS
P
D
, T
T
J
STG
Single Pulse Avalanche Energy (Note 1) 120 mJ Power dissipation 135 W Derate above 25
o
C0.9W/
Operating and Storage Temperature -55 to 175
S
44 A
o
C
o
C
Thermal Characteristics
R
θJC
R
θJA
R
θJA
This product ha s been des igned to me et the e xtr eme test c ondit ions and envir onment deman ded by the automot ive indus t ry. For a
All Fairchild Semiconductor prod ucts are manufactured, assembled and tested under ISO9000 and QS9000 quality systems
©2002 Fairchild Semiconductor Corporation
Thermal Resistance Junction to Case TO-252 1.11 Thermal Resistance Junction to Ambient TO-252 100 Thermal Resistance Junction to Ambient TO-252, 1in2 copper pad ar ea 52
copy of the requirements, see AEC Q101 at: http://www.aecouncil.com/
Reliability data can be found at: http://www.fairchildsemi.com/products/discrete/reliability/index.html.
certification.
FDD3672 Rev. A
o
C/W
o
C/W
o
C/W
Page 2
Package Marking and Ordering Information
Device Marking Device Package Reel Size Tape Width Quantity
FDD3672 FDD3672 TO-252AA 330mm 16mm 2500 units
FDD3672
Electrical Characteristics
TC = 25°C unless otherwise noted
Symbol Parameter Test Conditions Min Typ Max Units
Off Characteristics
B I
DSS
I
GSS
VDSS
Drain t o Source Breakdown Volta ge ID = 250µA, VGS = 0V 100 - - V
V
= 80V - - 1
Zero Gate Voltage Drain Current
DS
= 0V TC= 150oC- - 250
V
GS
Gate to Source Leakage Current VGS = ±20V - - ±100 nA
On Characteristics
V
GS(TH)
r
DS(ON)
Gate to Source Threshold Voltage VGS = VDS, ID = 250µA2-4V
I
Drain to Source On Resistance
= 44A, V
D
= 21A, VGS = 6V, - 0.031 0.047
D
I
=44A, VGS=10V, TC=175oC - 0.054 0.068
D
= 10V - 0.024 0.028
GS
Dynamic Characteristics
C C C Q Q Q Q Q
ISS OSS RSS
g(TOT) g(TH) gs gs2 gd
Input Capacitance Output Capacitance - 247 - pF Reverse Transfer Capacitance - 62 - pF
= 25V, VGS = 0V,
V
DS
f = 1MHz
Total G ate Ch arg e at 10 V VGS = 0V to 10V Threshold Gate Charge VGS = 0V to 2V - 3 4.5 nC Gate to Source Gate Charge - 8.6 - nC Gate Charge Threshold to Plateau - 5.6 - nC
V
DD
I
= 44A
D
I
= 1.0m A
g
= 50V
Gate to Drain “Miller” Charge - 5.6 - nC
-1710- pF
-2436nC
µA
ΩI
Resistive Switching Characteristics
t
ON
t
d(ON)
t
r
t
d(OFF)
t
f
t
OFF
Turn-On Time Turn-On Delay Time - 11 - ns Rise Time - 59 - ns T u rn-Off Delay Time - 26 - ns Fall Time - 44 - ns Turn-Off Time - - 104 ns
Drain-Source Diode Characteristics
V
SD
t
rr
Q
RR
Notes: 1: Starting T 2: Pulse Width = 100s
Source to Drain Di ode Voltage Reverse Recovery Time ISD = 44A, dISD/dt =100A/µs- - 52ns
Reverse Recovery Charge ISD = 44A, dISD/dt =100A/µs- - 80nC
= 25°C, L = 0.6mH, IAS = 20A.
J
(VGS = 10V)
V
DD
V
GS
I
SD
I
SD
--104ns
= 50V, ID = 44A = 10V, RGS = 11.0Ω
= 44A - - 1 .25 V
= 21A - - 1.0 V
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 3
FDD3672
Typical Characteristics T
= 25°C unless otherwise noted
C
1.2
1.0
0.8
0.6
0.4
0.2
POWER DISSIPATION MULTIPLIER
0
0255075100 175
125
TC, CASE TEMPERATURE (oC)
Figure 1. Normalized Power Dissipation vs
Ambient Temperature
2
DUTY CYCLE - DESCENDING ORDER
0.5
1
0.2
0.1
0.05
0.02
0.01
150
50
V
= 10V
GS
40
30
20
, DRAIN CURRENT (A)
D
I
10
0
25 50 75 100 125 150 175
TC, CASE TEMPERATURE (oC)
Figure 2. Maximum Continuous Drain Curr ent vs
Case Temperature
, NORMALIZED Z
, PEAK CURRENT (A) I
θJC
DM
THERMAL IMPEDANCE
500
100
30
0.1
0.01
10
-5
10
VGS = 10V
-5
SINGLE PULSE
-4
10
-3
10
-2
10
NOTES: DUTY FACTOR: D = t
PEAK TJ = PDM x Z
-1
10
t, RECTANGULAR PULSE DURATION (s)
Figure 3. Normalized Maximum Transient Thermal Impedance
TRANSCONDUCTANCE MAY LIMIT CURRENT IN THIS REGION
-4
10
-3
10
t, PULSE WIDTH (s)
-2
10
-1
10
TC = 25oC
FOR TEMPERATURES ABOVE 25 CURRENT AS FOLLOWS:
I = I
P
DM
1/t2
x R
θJC
0
10
o
25
0
10
t
1
t
2
+ T
θJC
C
C DERATE PEAK
175 - T
C
150
1
10
1
10
Figure 4. Peak Current Capability
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 4
Typical Characteristics T
= 25°C unless otherwise noted
C
FDD3672
300
If R = 0 tAV = (L)(IAS)/(1.3*RATED BV
If R ≠ 0 t
= (L/R)ln[(IAS*R)/(1.3*RATED BV
AV
100
10
, AVALANCHE CURRENT (A)
AS
I
STARTING TJ = 150oC
1
0.001 0.01 0.1 1 tAV, TIME IN AVALANCHE (ms)
- VDD)
DSS
- VDD) +1]
DSS
STARTING TJ = 25oC
NOTE: Refer to Fairchild Application Notes AN7514 and AN7515
Figure 5. Unclamped Inductive Switching
Capability
80
TC = 25oC
60
40
, DRAIN CURRENT (A)
20
D
I
0
0 0.5 1.0 1.5 2.0 2.5 3.0
VGS = 10V
PULSE DURATION = 80µs DUTY CYCLE = 0.5% MAX
VGS = 5V
VDS, DRAIN TO SOURCE VOLTAGE (V)
VGS = 7V
VGS = 6V
80
PULSE DURATION = 80µs DUTY CYCLE = 0.5% MAX V
= 15V
DD
60
40
TJ = 25oC
20
, DRAIN CURRENT (A)
D
I
0
10
3.5 4.0 4.5 5.0 5.5 6.0 6.5 VGS, GATE TO SOURCE VOLTAGE (V)
TJ = 175oC
TJ = -55oC
Figure 6. Transfer Characteristics
40
PULSE DURATION = 80µs DUTY CYCLE = 0.5% MAX
35
30
25
20
15
DRAIN TO SOURCE ON RESISTANCE (m Ω)
0 1020304050
VGS = 6V
VGS = 10V
I
, DRAIN CURRENT (A)
D
Figure 7. Saturation Characte risti cs Figure 8. Drain to Sou rce On Resistanc e vs Dr ain
Current
2.5
PULSE DURATION = 80µs DUTY CYCLE = 0.5% MAX
2.0
1.5
ON RESISTANCE
1.0
NORMALIZED DRAIN TO SOURCE
0.5
-80 -40 0 40 80 120 160 200 TJ, JUNCTION TEMPERATURE (oC)
VGS = 10V, ID = 44A
Figure 9. Normalized Drain to Source On
Resistance vs Junction Temperature
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
1.2 VGS = VDS, ID = 250µA
1.0
0.8
NORMALIZED GATE
0.6
THRESHOLD VOLTAGE
0.4
-80 -40 0 40 80 120 160 200 TJ, JUNCTION TEMPERATURE (oC)
Figure 10. Normalized Gat e Threshol d Voltage vs
Junction Temperatur e
Page 5
FDD3672
Typical Characteristics T
1.2 ID = 250µA
1.1
1.0
BREAKDOWN VOLTA GE
NORMALIZED DRAIN TO SOURCE
0.9
-80 -40 0 40 80 120 160 200 T
, JUNCTION TEMPERATURE (oC)
J
= 25°C unless otherwise noted
C
Figure 11. Normalized Drain to Source
Breakdown Voltage vs Junction Temperature
10
VDD = 50V
8
6
3000
C
= CGS + C
1000
C
≅ C
+ C
OSS
DS
GD
C
= C
RSS
100
C, CAPACITANCE (pF)
10
0.1 1 10 100
GD
V
= 0V, f = 1MHz
GS
VDS, DRAIN TO SOURCE VOLTAGE (V)
ISS
GD
Figure 12. Capacitance vs Drain to Source
Voltage
4
2
, GATE TO SOURCE VOLTAGE (V)
GS
V
0
0 5 10 15 20 25
Qg, GATE CHARGE (nC)
WAVEFORMS IN DESCENDING ORDER:
ID = 44A I
= 21A
D
Figure 13. Gate Charge Waveforms for Constant Gate Currents
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 6
Test Circuits and Waveforms
FDD3672
BV
DSS
t
P
V
DS
TO OBTAIN
VARY t
P
REQUIRED PEAK I
V
GS
V
DS
L
I
AS
R
AS
G
+
V
DD
-
DUT
t
0V
P
I
AS
0.01Ω
0
t
AV
Figure 14. Unclamped Energy Test Circuit Figure 15. Unclamped Energy Wavef orm s
V
I
g(REF)
DS
L
V
GS
+
V
DD
-
DUT
Q
V
0
g(TH)
I
g(REF)
0
DD
V
GS
V
= 2V
GS
Q
gs2
Q
gs
Q
g(TOT)
V
DS
Q
gd
V
DD
V
= 10V
GS
Figure 16. Gate Charge Test Circuit Figure 17. Gate Charge Waveforms
V
DS
R
L
V
GS
R
GS
V
GS
DUT
+
V
DD
-
V
DS
0
V
GS
10%
0
t
d(ON)
90%
t
ON
t
r
t
d(OFF)
t
OFF
t
f
90%
10%
10%
90%
PULSE WIDTH
50%50%
Figure 18. Switching Time Test Circuit Figure 19. Switching Time Waveforms
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 7
Thermal Resistance vs. Mounting Pad Area
The maximum rated junction temperature, TJM, and the thermal resistance of the heat dissipating path determines the maxi mum al lowab le de vice p ower di ssip ation, P application. Therefore the application’s ambient temperature, T must be reviewed to ensure that T Equation 1 mathematically represents the relationship and
(oC), and th ermal res istance R
A
is never exceeded.
JM
θJA
, in an
DM
(oC/W)
serve s as the basis for establ ishing the rating of the part.
P
DM
TJMTA–()
----------------- ------------=
R
θJA
(EQ. 1)
125
100
C/W)
o
(
75
θJA
R
50
R
= 33.32+ 23.84/(0.268+Area) EQ.2
θJA
R
= 33.32+ 154/(1.73+Area) EQ.3
θJA
FDD3672
In using surface mount devices such as the TO-252 package, the environment in which it is applied will have a significant influence on the part’s current and maximum power d issipati on rating s. Precise d etermin ation of P comple x and influenced by many factors:
DM
is
1. Mou nting pad area ont o which the device is attached and whet her the re is copp er on one s ide or both side s of the board.
2. The number of copper layers and the thickness of the board.
3. The use of external heat sinks.
4. The use of thermal vias.
5. Air flow and board orientation.
6. For no n steady state applic ations, th e pulse widt h, the duty cycle and the transient thermal response of the part, the boa rd and the environment they are in.
Fairchild provides thermal information to assist the designer’s preliminary application evaluation. Figure 20 defines the R copper (component side) area. This is for a horizontally
for the device as a function of the top
θJA
positi on ed FR-4 board w ith 1oz co pp er af ter 1000 secon ds of stea dy st ate pow er w ith n o air flow . Th is gr aph prov ides the necessary inf ormation for calculation of the steady state junction temperature or power dissipation. Pulse applications can be evaluated using the Fairchild device Spice t hermal model or manu ally utilizing the no rmalized maximum transient thermal impedance curve.
25
0.01 0.1 1 10 (0.645) (6.45) (64.5)(0.0645)
AREA, TOP COPPER AREA in2 (cm2)
Figure 20. Thermal Resistance vs Mounting
Pad Area
Therma l resi stances correspondi ng to other copper are as can be obtained from Figure 20 or by calculation using Equation 2 or 3. Equation 2 is used for copper area defined in inch es squ are and equ ation 3 is for area in cent imeters square. The area, in square inches or square centimeters is the top copper area including the gate and source pads.
23.84
33.32
=
R
θJA
33.32
=
R
θJA
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
-------------------------------------+
0.268 Area+()
Area in Inches Squared
154
----------------------------------+
1.73 Area+()
Area in Centimeters Squared
(EQ. 2)
(EQ. 3)
Page 8
PSPICE Electrical Model
.SUBCKT FDD3672 2 1 3 ; rev May 2002 CA 12 8 5.8e -10 Cb 15 14 6.8e-10 Cin 6 8 1.6e-9
Dbod y 7 5 DbodyMOD Dbreak 5 11 Db reakMOD Dplcap 10 5 DplcapMOD
Ebreak 11 7 17 18 105 Eds 14 8 5 8 1 Egs 13 8 6 8 1 Esg 6 10 6 8 1 Evthres 6 21 19 8 1 Evtemp 20 6 18 22 1
It 8 17 1 Lgat e 1 9 9.56e-9
Ldrain 2 5 1.0e -9 Lsource 3 7 4.45e-9
RLgate 1 9 95.6 RLdr ai n 2 5 10 RLsource 3 7 44.5
Mmed 16 6 8 8 M m edMOD Mstro 16 6 8 8 MstroMOD Mweak 16 21 8 8 MweakMOD
Rbreak 17 18 RbreakMOD 1 Rdrain 50 16 RdrainMOD 6.0e-3 Rgate 9 20 1.5 RSLC1 5 51 RSL CM OD 1.0e-6 RSLC2 5 50 1.0e 3 Rsource 8 7 RsourceMOD 9.5e-3 Rvthres 22 8 RvthresMO D 1 Rvtemp 18 19 RvtempMOD 1 S1a 6 12 13 8 S1AMOD S1b 13 12 13 8 S1BM OD S2a 6 15 14 13 S2AM OD S2b 13 15 14 13 S2BM OD
Vbat 22 19 DC 1
GATE
1
LGATE
RLGATE
RGATE
9
CA
ESG
+
EVTEMP
+
18 22
20
S1A
12
13
8
S1B
EGS EDS
FDD3672
17 18
-
7
RVTEMP 19
-
+
22
LDRAIN
RLDRAIN
DBODY
LSOURCE
RLSOURCE
VBAT
DRAIN
2
SOURCE
3
DPLCAP
10
RSLC2
­6
8
EVTHRES
+
6
-
S2A
14 13
S2B
13
+
+
6 8
-
-
5
RSLC1
51
+
5
ESLC
51
­50
RDRAIN
16
21
-
19
8
MSTRO
CIN
15
CB
8
14
+
5 8
-
MMED
8
DBREAK
11
+
EBREAK
MWEAK
RSOURCE
RBREAK
17 18
IT
RVTHRES
ESLC 51 50 VALUE={(V(5,51)/ABS(V (5, 51)))*(PWR (V(5,51)/(1e-6*98),3 ))} .MODEL DbodyMOD D (IS=1.0E-11 N=1.05 RS=3.7e-3 TRS1=2.5e-3 TRS2=1.0e-6
+ CJO=1.2e-9 M= 0.58 TT=3.75e -8 X T I=4.0) .MODEL Db reakMOD D (RS= 15 T RS 1=4.0e-3 TRS2=-5.0e-6) .MODEL DplcapMOD D (CJO=3.8e-10 IS=1.0e-30 N=10 M=0.60)
.MODEL MmedMOD NMOS (VTO=3.6 KP=3 IS=1e-40 N=10 TOX=1 L=1u W=1u RG=1.5) .MODEL MstroMOD NMOS (VTO=4.3 KP=59 IS=1e-30 N=10 TOX=1 L= 1u W=1u) .MODEL Mwe akMOD NMOS (VTO=3.09 KP=0. 05 IS=1e-30 N=10 T OX=1 L=1u W=1u RG=15 RS=0.1)
.MODEL Rb reakMOD RES (T C1=9.0e-4 TC2 =-1.0e-7) .MODEL RdrainMOD RES (TC1=11.0e-3 TC2=5.0e-5) .MODEL RSLCMOD RES (TC1=3.0e-3 TC2=1.0e-6) .MODEL RsourceMOD RES (TC 1=4.0e-3 TC2=1 .0e-6) .MODEL RvthresMOD RES (T C1=-3.5e-3 TC 2=-1.5e-5) .MODEL RvtempMOD RES (TC1=-4.3e-3 TC2=1.5e-6)
.MODEL S1AMOD VSWITC H (RON =1e - 5 ROFF= 0. 1 VON=- 5. 0 VOFF =-3 .5 ) .MODEL S1BMOD VSWITC H (RON =1e - 5 ROFF= 0. 1 VON=- 3. 5 VOFF =-5 .0 ) .MODEL S2AMOD VSWITC H (RON= 1e- 5 ROFF = 0.1 VON= - 0.5 VO FF=0.3) .MODEL S2BMOD VSWITC H (RON= 1e- 5 ROFF = 0.1 VON= 0 .3 VOFF= -0.5)
.ENDS Note: For further discussion of the PSPICE model, consult A New PSPICE Sub-Circuit for the Power MOSFET Featuring Global Temperature Options; IEEE Power Electronics Specialist Conference Records, 1991, wri t ten by William J. Hepp and C. Frank Wheatley.
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 9
SABER Electrical Model
REV May 2002 template FDD 3672 n2,n1,n3 electrical n2,n1,n3 { var i iscl dp..model dbodymod = (isl=1.0e-11,nl=1.05,rs=3.7e-3,trs1=2.5e-3,trs2=1.0e-6,cjo=1.2e-9,m=0.58,tt=3.75e-8,xti=4.0) dp..model dbreakmod = (rs=15 ,t rs 1=4.0e-3,tr s2=-5.0e-6) dp..model dplcapmod = (cjo=3.8e-10,isl=10.0e-30,nl=10,m=0.60) m..model mmedmod = (type=_n,vto=3.6,kp=3,is=1e-40, tox=1) m..model mstrongmod = (type=_n,vto=4.3,kp=59,is=1e-30, tox=1) m..model mweakmod = (type=_n,vto=3.09,kp=0.05,is=1e-30, tox=1,rs=0.1) sw_vcsp.. mo del s1amod = (ron=1e-5,roff=0.1, von=-5.0,voff =-3.5) sw_vcsp.. mo del s1bmod = (ron=1e-5,roff=0.1, von=-3.5,voff =-5.0)
DPLCAP
10
sw_vcsp.. mo del s2amod = (ron=1e-5,roff=0.1, von=-0.5,voff= 0. 3) sw_vcsp.. mo del s2bmod = (ron=1e-5,roff=0.1, von=0.3,voff= -0. 5) c.ca n12 n8 = 5.8e -10
RSLC2
c.cb n15 n14 = 6.8e-10 c.cin n6 n8 = 1.6e -9
dp.dbody n7 n5 = model=dbodymod dp.dbreak n5 n11 = model=dbreakmod dp.dplcap n10 n5 = model=dplca pm od
spe.ebreak n11 n7 n17 n18 = 105
GATE
spe.eds n14 n8 n5 n8 = 1 spe.egs n13 n8 n6 n8 = 1
LGATE
1
RLGATE
RGATE
9
ESG
EVTEMP +
18 22
20
-
6 8
EVTHRES
+
+
6
-
spe.esg n6 n10 n6 n8 = 1 spe.evthres n6 n21 n19 n8 = 1 spe.evtemp n20 n6 n18 n22 = 1
i.it n8 n17 = 1 l.lgate n1 n9 = 95 .6 e-9
l.ldrain n2 n5 = 1.0e-9 l.lsource n3 n7 = 4.45e-9
res.rlgate n1 n9 = 9.56 res.rldrai n n2 n5 = 10 res.rlsource n3 n7 = 44.5
CA
S1A
12
S1B
S2A
13
14
8
13
S2B
13
+
+
6
EGS EDS
8
-
-
m.mmed n16 n6 n8 n8 = m odel=mmedm od, l= 1u, w=1u m.mstrong n16 n6 n8 n8 = model=ms trongmod, l=1u, w=1u m.mweak n16 n21 n8 n8 = model=mwea kmod, l=1u, w=1u
5
RSLC1
51
ISCL
8
MMED
DBREAK
MWEAK
EBREAK
RSOURCE
RBREAK
17 18
IT
8
RVTHRES
11
+
50 RDRAIN
16
21
-
19
8
MSTRO
CIN
15
CB
14
+
5 8
-
17 18
­7
RVTEMP 19
-
+
22
LDRAIN
RLDRAIN
DBODY
LSOURCE
RLSOURCE
VBAT
DRAIN
2
SOURCE
3
FDD3672
res.rbreak n17 n18 = 1, tc1=9.0e-4,tc2=-1.0e -7 res.rdrain n50 n16 = 6.0e-3, tc1=11.0e-3,tc2=5.0e-5 res.rgate n9 n20 = 1.5 res.rslc1 n5 n51 = 1.0e-6, tc1=3. 0e-3,tc2=1. 0e-6 res.rslc2 n5 n50 = 1.0e3 res.rsour ce n8 n7 = 9.5e-3, tc1=4.0e-3,tc2=1.0e-6 res.rvthres n22 n8 = 1, tc1=-3.5e-3,tc2=-1.5e-5 res.rvtemp n18 n19 = 1, tc1=-4.3e-3,tc2=1.5e-6 sw_vcsp.s1 a n6 n12 n13 n8 = model= s1amod sw_vcsp.s1 b n13 n12 n13 n8 = model =s1bmod sw_vcsp.s2 a n6 n15 n14 n13 = model =s2amod sw_vcsp.s2 b n13 n15 n14 n13 = model =s2bmod
v.vbat n22 n19 = dc=1 equations { i (n51->n50) +=iscl iscl: v(n51,n50) = ((v(n5, n51)/(1e-9+abs(v(n5,n51))))*((abs(v(n5,n51)*1e6/98))** 3) ) }
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 10
FDD3672
SPICE Thermal Model
REV May 2002 FDD3672 CTHERM1 TH 6 3.2e-3
CTHERM2 6 5 3. 3e-3 CTHERM3 5 4 3. 4e-3 CTHERM4 4 3 3. 5e-3 CTHERM5 3 2 6. 4e-3 CTHERM6 2 TL 1.9e-2
RTHERM1 TH 6 5.5e-4 RTHERM2 6 5 5. 0e-3 RTHERM3 5 4 4. 5e-2 RTHERM4 4 3 10.5e-2 RTHERM5 3 2 3. 4e-1 RTHERM6 2 TL 3.5e-1
SABER Thermal Model
SABER therm a l model FDD3672 template thermal_model th tl thermal_ c th , tl { cctherm.ctherm1 th 6 =3.2e-3 ctherm.ctherm2 6 5 =3.3e-3 ctherm.ctherm3 5 4 =3.4e-3 ctherm.ctherm4 4 3 =3.5e-3 ctherm.ctherm5 3 2 =6.4e-3 ctherm.ctherm6 2 tl =1.9e-2
rtherm.rtherm1 th 6 =5.5e-4 rtherm.rt herm2 6 5 =5.0e-3 rtherm.rt herm3 5 4 =4.5e-2 rtherm.rt he rm4 4 3 =10. 5 e-2 rtherm.rt herm5 3 2 =3.4e-1 rthe r m.rtherm6 2 tl =3.5 e-1 }
RTHERM1
RTHERM2
RTHERM3
RTHERM4
RTHERM5
JUNCTION
th
CTHERM1
6
CTHERM2
5
CTHERM3
4
CTHERM4
3
CTHERM5
RTHERM6
2
CTHERM6
CASE
tl
©2002 Fairchild Semiconductor Corporation FDD3672 Rev. A
Page 11
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Design
Preliminary First Production This datasheet contains preliminary data, and
No Identificat ion Needed Full Production This datasheet contains final specifications. Fairchild
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©2002 Fairchild Semico nductor Corporation
This datasheet contains the design specifications for product development. Specifi cations may change in any manner without notice.
supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design.
Semiconductor reserves the right to make changes at any time without notice in order to improve design.
that has been disc ontinued by Fairchild se miconductor. The datasheet is printed f or refe rence information only.
Rev. H7
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