KEC KF4N20LW

SEMICONDUCTOR
KF4N20LW
TECHNICAL DATA
N CHANNEL MOS FIELD
EFFECT TRANSISTOR
General Description
This planar stripe MOSFET has better characteristics, such as fast
switching time, low on resistance, low gate charge and excellent
avalanche characteristics. It is mainly suitable for LED Lighting and
switching mode power supplies.
FEATURES
・VDSS(Min.)= 200V, ID= 1A
・Drain-Source ON Resistance : RDS(ON)=1.05 Ω(max) @VGS =10V
・Qg(typ.) =2.9nC
・Vth(Max.)= 2V
MAXIMUM RATING (Tc=25℃)
CHARACTERISTIC
SYMBOL
RATING
UNIT
Drain-Source Voltage
VDSS
200
V
Gate-Source Voltage
VGSS
±20
V
@TC=25℃
Drain Current
@TC=100℃
Pulsed (Note1)
Single Pulsed Avalanche Energy
(Note 2)
Repetitive Avalanche Energy
(Note 1)
Peak Diode Recovery dv/dt
(Note 3)
Drain Power
Dissipation
TA=25℃
1*
ID
0.6*
IDP
4*
EAS
52
mJ
EAR
0.2
mJ
dv/dt
5.5
V/ns
2.2*
W
0.018
W/℃
Tj
150
℃
Tstg
-55~150
℃
RthJA
57*
℃/W
PD
Derate above25℃
Maximum Junction Temperature
Storage Temperature Range
A
Thermal Characteristics
Thermal Resistance, Junction-toAmbient
* : Surface Mounted on FR4 Board (40mm×40mm, 1.0t)
PIN CONNECTION
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KF4N20LW
ELECTRICAL CHARACTERISTICS (Tc=25℃)
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
200
-
-
V
ID=250μA, Referenced to 25℃
-
0.2
-
V/℃
Static
Drain-Source Breakdown Voltage
Breakdown Voltage Temperature Coefficient
BVDSS
ΔBVDSS/ΔTj
ID=250μA, VGS=0V
Drain Cut-off Current
IDSS
VDS=200V, VGS=0V,
-
-
10
μA
Gate Threshold Voltage
Vth
VDS=VGS, ID=250μA
1.0
-
2.0
V
Gate Leakage Current
IGSS
VGS=±20V, VDS=0V
-
-
±100
nA
VGS=10V, ID=0.5A
-
0.85
1.05
0.89
1.10
-
2.9
3.8
-
0.6
-
-
2.2
-
-
10
-
-
20
-
-
15
-
RDS(ON)
Drain-Source ON Resistance
VGS=5V, ID=0.5A
Ω
Dynamic
Qg
Total Gate Charge
Gate-Source Charge
Qgs
Gate-Drain Charge
Qgd
Turn-on Delay time
td(on)
tr
Turn-on Rise time
td(off)
Turn-off Delay time
VDS=150V, ID=3.6A
VGS=5V
(Note4,5)
VDD=100V, ID=3.6A
RG=25Ω
(Note4,5)
VGS=5V
nC
ns
Turn-off Fall time
tf
-
15
-
Input Capacitance
Ciss
-
170
220
Output Capacitance
Coss
-
25
-
Reverse Transfer Capacitance
Crss
-
4.0
-
-
-
1
-
-
4
IS=1A, VGS=0V
-
-
1.4
V
VDS=25V, VGS=0V, f=1.0MHz
pF
Source-Drain Diode Ratings
Continuous Source Current
IS
Pulsed Source Current
ISP
Diode Forward Voltage
VSD
Reverse Recovery Time
trr
IS=3.6A, VGS=0V,
-
100
-
ns
Reverse Recovery Charge
Qrr
dIs/dt=100A/㎲
-
0.30
-
μC
VGS<Vth
A
Note 1) Repetivity rating : Pulse width limited by junction temperature.
Note 2) L = 78mH, IS=1A, VDD=50V, RG = 25Ω, Starting Tj = 25℃.
Note 3) IS ≤2A, dI/dt≤300A/㎲, VDD≤BVDSS, Starting Tj = 25℃.
Note 4) Pulse Test : Pulse width ≤ 300㎲, Duty Cycle ≤ 2%.
Note 5) Essentially independent of operating temperature.
Marking
KF4N20LW
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KF4N20LW
VGS = 3V
0
2
4
6
8
3.0
2.5
2.0
1.5
1.0
0.5
6
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KF4N20LW
Fig 7. C - VDS
Fig8. Qg- VGS
12
Gate - Source Voltage VGS (V)
Capacitance (pF)
1000
Ciss
100
Coss
10
Crss
1
0
5
10
15
20
25
30
35
ID=4A
10
VDS = 40V
8
6
VDS = 160V
4
2
0
0
40
1
3
2
4
5
6
7
8
Gate - Charge Qg (nC)
Drain - Source Voltage VDS (V)
Fig10. ID - Tj
Fig9. Safe Operation Area
102 Operation in this
1.2
1.0
Drain Current ID (A)
Drain Current ID (A)
area is limited by RDS(ON)
101
10µs
100µs
100
1ms
10ms
10-1
100ms
Tc= 25 C
Tj = 150 C
2 Single pulse
100
10
0.8
0.6
0.4
0.2
DC
2
1
0
103
10
10
0
25
Drain - Source Voltage VDS (V)
50
75
100
125
150
Junction Temperature Tj ( C)
Fig11. Transient Thermal Response Curve
Transient Thermal Resistance
102
Duty=0.5
101
0.20
0.10
0.05
PDM
100
0.02
t1
0.01
10-1
t2
- Duty Factor, D= t1/t2
Tj(max) - Tc
- RthJC =
PD
lse
gle
Sin
10-2
10-5
Pu
10-4
10-3
10-2
10-1
100
101
102
103
TIME (sec)
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KF4N20LW
Fig12. Gate Charge
VGS
5V
RL
0.8 VDSS
ID
1.0 mA
Q
VDS
Qgd
Qgs
Qg
VGS
Fig13. Single Pulsed Avalanche Energy
EAS=
1
LIAS2
2
BVDSS
BVDSS - VDD
BVDSS
L
IAS
50V
25Ω
ID(t)
VDS
VGS
10 V
VDD
VDS(t)
Time
tp
Fig14. Resistive Load Switching
VDS
90%
RL
0.5 VDSS
VGS 10%
25 Ω
VDS
10V
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VGS
Revision No : 0
td(on)
ton
tr
td(off)
tf
toff
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KF4N20LW
Fig15. Source - Drain Diode Reverse Recovery and dv /dt
Body Diode Forword Current
DUT
VDS
ISD
di/dt
(DUT)
L
IRM
IS
0.5
VDSS
Body Diode Reverse Current
VDS
(DUT)
driver
Body Diode Recovery dv/dt
VSD
VDD
10V
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VGS
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Body Diode Forword Voltage drop
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