$GYDQFHG 3RZHU 026)(7
FEATURES
♦
Avalanche Rugged Technology
♦
Rugged Gate Oxide Technology
♦
Lower Input Capacitance
♦
Improved Gate Charge
♦
Extended Safe Operating Area
♦
Lower Leakage Current: 10µA (Max.) @ V
DS
= 250V
♦
Lower R
DS(ON)
: 0.214Ω (Typ.)
1
2
3
IRF644A
BV
DSS
= 250 V
R
DS(on)
= 0.28Ω
I
D
= 14 A
TO-220
1.Gate 2. Drain 3. Source
Absolute Maximum Ratings
Symbol
V
DSS
I
D
I
DM
V
GS
E
AS
I
AR
E
AR
dv/dt
P
D
T
J
, T
STG
T
L
Characteristic
Drain-to-Source Voltage
Continuous Drain Current (T
C
=25°C)
Continuous Drain Current (T
C
=100°C)
Drain Current-Pulsed
Gate-to-Source Voltage
Single Pulsed Avalanche Energy
Avalanche Current
Repetitive Avalanche Energy
Peak Diode Recovery dv/dt
Total Power Dissipation (T
C
=25°C)
Linear Derating Factor
Operating Junction and
Storage Temperature Range
Maximum Lead Temp. for Soldering
Purposes, 1/8 from case for 5-seconds
(2)
(1)
(1)
(3)
(1)
Value
250
14
8.9
56
±30
490
14
13.9
4.8
139
1.11
- 55 to +150
Units
V
A
A
V
mJ
A
mJ
V/ns
W
W/°C
°C
300
Thermal Resistance
Symbol
R
θJC
R
θCS
R
θJA
Characteristic
Junction-to-Case
Case-to-Sink
Junction-to-Ambient
Typ.
--
0.5
--
Max.
0.9
--
62.5
°C/W
Units
Rev. B
©1999 Fairchild Semiconductor Corporation
IRF644A
Electrical Characteristics
(T
C
=25°C unless otherwise specified)
Symbol
BV
DSS
∆BV/∆T
J
V
GS(th)
I
GSS
I
DSS
R
DS(on)
g
fs
C
iss
C
oss
C
rss
t
d(on)
t
r
t
d(off)
t
f
Q
g
Q
gs
Q
gd
Characteristic
Drain-Source Breakdown Voltage
Breakdown Voltage Temp. Coeff.
Gate Threshold Voltage
Gate-Source Leakage , Forward
Gate-Source Leakage , Reverse
Drain-to-Source Leakage Current
Static Drain-Source
On-State Resistance
Forward Transconductance
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Total Gate Charge
Gate-Source Charge
Gate-Drain ( Miller ) Charge
Min. Typ. Max. Units
250
--
2.0
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0.28
--
--
--
--
--
--
8.65
180
80
17
17
74
32
46
9.3
19.5
--
--
4.0
100
-100
10
100
0.28
--
210
95
50
50
160
80
61
--
--
nC
ns
µA
Ω
Ω
V
V
nA
1&+$11(/
32:(5 026)(7
Test Condition
V
GS
=0V,I
D
=250µA
V/°C I
D
=250µA
V
GS
=30V
V
GS
=-30V
V
DS
=250V
See Fig 7
V
DS
=5V,I
D
=250µA
V
DS
=200V,T
C
=125°C
V
GS
=10V,I
D
=7A
V
DS
=40V,I
D
=7A
(4)
(4)
1230 1600
pF
V
GS
=0V,V
DS
=25V,f =1MHz
See Fig 5
V
DD
=125V,I
D
=14A,
R
G
=9.1Ω
See Fig 13
V
DS
=200V,V
GS
=10V,
I
D
=14A
(4) (5)
See Fig 6 & Fig 12
(4) (5)
Source-Drain Diode Ratings and Characteristics
Symbol
I
S
I
SM
V
SD
t
rr
Q
rr
Characteristic
Continuous Source Current
Pulsed-Source Current
Diode Forward Voltage
Reverse Recovery Time
Reverse Recovery Charge
(1)
(4)
Min. Typ. Max. Units
--
--
--
--
--
--
--
--
215
1.59
14
56
1.5
--
--
A
V
ns
µC
Test Condition
Integral reverse pn-diode
in the MOSFET
T
J
=25°C,I
S
=14A,V
GS
=0V
T
J
=25°C,I
F
=14A
di
F
/dt=100A/µs
(4)
Notes;
(1) Repetitive Rating: Pulse Width Limited by Maximum Junction Temperature
(2) L=4mH, I
AS
=14A, V
DD
=50V, R
G
=27
Ω
, Starting T
J
=25°C
(3) I
SD
≤
14A, di/dt
≤
250A/µs, V
DD
≤
BV
DSS
, Starting T
J
=25°C
(4) Pulse Test: Pulse Width = 250µs, Duty Cycle
≤
2%
(5) Essentially Independent of Operating Temperature
1&+$11(/
32:(5 026)(7
Fig 1. Output Characteristics
V
GS
15 V
10 V
8.0 V
7.0 V
6.0 V
5.5 V
5.0 V
Bottom : 4.5 V
Top :
IRF644A
Fig 2. Transfer Characteristics
I
D
, Drain Current [A]
I
D
, Drain Current [A]
1
1
0
1
1
0
1
0
0
1
0
0
1 0
o
C
5
2
o
C
5
@N ts :
oe
1 V =0 V
.
GS
2 V =4 V
.
DS
0
us et
3 2 0
µ
s P l e T s
. 5
6
8
1
0
@ Nt s:
oe
1 2 0
µ
s P l e T s
. 5
us et
2 T = 2
o
C
.
C
5
1
-1 -1
0
1
0
1
0
0
1
1
0
- 5
o
C
5
1
-1
0
2
4
V
DS
, Drain-Source Voltage [V]
V
GS
, Gate-Source Voltage [V]
Fig 3. On-Resistance vs. Drain Current
08
.
Fig 4. Source-Drain Diode Forward Voltage
I
DR
, R rs D in Cu ent [A]
eve e ra
rr
R
DS(on)
, [
Ω
]
Dr Sour O sis e
ain- ce n-Re tanc
06
.
V =1 V
0
GS
1
1
0
04
.
1
0
0
@N ts :
oe
1 V =0 V
.
GS
2 2 0
µ
s P l e T s
. 5
us et
08
.
10
.
12
.
14
.
16
.
18
.
02
.
V =2 V
0
GS
@ N t : T = 2
o
C
oe
J
5
10 C
5
2
o
C
5
1
-1
0
02
.
04
.
06
.
o
00
.
0
1
5
3
0
4
5
6
0
I , Dra C nt [A]
in urre
D
Fig 5. Capacitance vs. Drain-Source Voltage
20
00
C = C + C (C = so td )
iss gs gd
ds
h r e
C =C +C
oss ds gd
C =C
rss gd
V
SD
, S ce ai Vol ge [
our -Dr n ta
V]
Fig 6. Gate Charge vs. Gate-Source Voltage
1
0
V =5 V
0
DS
V =1 5V
2
DS
V =2 0V
0
DS
10
50
10
00
C
oss
50
0
C
rss
@ Nt s:
oe
1 V =0 V
.
GS
2 f =1 M z
.
H
V
GS
, Gate-Source Voltage [V]
C
iss
Capacitance [pF]
5
@N ts :I =1 . A
oe
40
D
0
0
1
0
2
0
3
0
4
0
5
0
0
0
1
0
1
1
0
V
DS
, Drain-Source Voltage [V]
Q
G
, Total Gate Charge [nC]
IRF644A
Fig 7. Breakdown Voltage vs. Temperature
12
.
30
.
1&+$11(/
32:(5 026)(7
Fig 8. On-Resistance vs. Temperature
BV
DSS
, (Normalized)
Drain-Source Breakdown Voltage
11
.
R
DS(on)
, (Normalized)
Drain-Source On-Resistance
25
.
20
.
10
.
15
.
10
.
@N ts :
oe
1 V =1 V
.
GS
0
2 I =7 0A
.
D
.
-0
5
-5
2
0
2
5
5
0
7
5
10
0
o
09
.
@ Nt s:
oe
1 V =0 V
.
GS
2 I = 2 0
µ
A
.
D
5
-0
5
-5
2
0
2
5
5
0
7
5
10
0
o
05
.
08
.
-5
7
15
2
10
5
15
7
00
.
-5
7
15
2
10
5
15
7
T
J
, Junction Temperature [ C]
T
J
, Junction Temperature [ C]
Fig 9. Max. Safe Operating Area
1
2
0
O ea in i T i Ae
pr to n hs ra
i L m t d b R
DS(on)
s i ie y
1
µ
s
0
1 0
µ
s
0
1m
s
1
1
0
D
C
1 m
0 s
Fig 10. Max. Drain Current vs. Case Temperature
1
5
I
D
, Drain Current [A]
I
D
, Drain Current [A]
1
2
9
6
1
0
0
@ Nt s:
oe
1 T = 2
o
C
.
C
5
2 T = 1 0
o
C
.
J
5
3 Sn l P le
. ig e u s
3
1
-1 0
0
1
0
1
1
0
1
2
0
0
2
5
5
0
7
5
10
0
15
2
10
5
V
DS
, Drain-Source Voltage [V]
T
c
, Case Temperature [
o
C]
Fig 11. Thermal Response
Thermal Response
10
0
D=0.5
0.2
10
- 1
0.1
0.05
0.02
0.01
10
- 2
10
- 5
10
- 4
10
- 3
10
- 2
10
- 1
P
DM
@ Notes :
1. Z
θ
J C
(t)=0.9
o
C/W Max.
2. Duty Factor, D=t
1
/t
2
3. T
JM
-T
C
=P
DM
*Z
θ
J C
(t)
Z
JC
(t) ,
single pulse
t
1
t
2
θ
10
0
10
1
t
1
, Square Wave Pulse Duration
[sec]
1&+$11(/
32:(5 026)(7
Fig 12. Gate Charge Test Circuit & Waveform
IRF644A
Current Regulator
50kΩ
12V
200nF
300nF
Same Type
as DUT
V
GS
Q
g
10V
V
DS
V
GS
DUT
3mA
Q
gs
Q
gd
R
1
Current Sampling (I
G
)
Resistor
R
2
Current Sampling (I
D
)
Resistor
Charge
Fig 13. Resistive Switching Test Circuit & Waveforms
R
L
V
out
V
in
R
G
DUT
V
in
10V
t
d(on)
t
on
t
r
t
d(off)
t
off
t
f
10%
V
out
V
DD
( 0.5 rated V
DS
)
90%
Fig 14. Unclamped Inductive Switching Test Circuit & Waveforms
L
L
V
DS
Vary t
p
to obtain
required peak I
D
BV
DSS
1
E
AS
= ---- L
L
I
AS2
--------------------
2
BV
DSS
-- V
DD
BV
DSS
I
AS
C
V
DD
V
DD
t
p
I
D
R
G
DUT
10V
t
p
I
D
(t)
V
DS
(t)
Time
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