ASDM68N80KQ
68V N-Channel MOSFET
Features
Product Summary
Trench Power Technology
Low RDS(ON)
Low Gate Charge
Optimized for Fast-switching Applications
V DS
68
V
R DS(on),Typ@ VGS=10 V
7.7
mΩ
80
A
ID
Applications
Synchronous Rectification in DC/DC and AC/DC Converters
Isolated DC/DC Converters in Telecom and Industrial
TO-252
Schematic Diagram
Absolute Maximum Ratings TC = 25ºC, unless otherwise noted
Parameter
Drain-Source Voltage (VGS = 0V)
TC = 25ºC
Continuous Drain Current
Gate-Source Voltage
(note2)
Avalanche Current
Power Dissipation
(note3)
Unit
VDSS
68
V
80
(note1)
note1)
Single Pulse Avalanche Energy
Value
ID
TC = 100ºC
Pulsed Drain Current
Symbol
TC = 25ºC
280
320
A
VGSS
±20
V
EAS
79
mJ
IAs
23
A
120
W
60
W
-55~+175
ºC
TJ, Tstg
Operating Junction and Storage Temperature Range
A
IDM
PD
TC = 100ºC
49
Thermal Resistance
Value
Parameter
Symbol
Unit
TO-252
Thermal Resistance, Junction-to-Case
RthJC
1.4
Thermal Resistance, Junction-to-Ambient
RthJA
62
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ºC/W
Ascend Semicondutor Co.,Ltd
ASDM68N80KQ
68V N-Channel MOSFET
Specifications TJ = 25ºC, unless otherwise noted
Value
Parameter
Symbol
Test Conditions
Unit
Min.
Typ.
Max.
VGS = 0V, ID = 250µA
68
--
--
VDS = 68V, VGS = 0V, TJ = 25ºC
--
--
1
VDS = 68V, VGS = 0V, TJ = 100ºC
--
--
25
IGSS
VGS = ±20V
--
--
±100
nA
Gate-Source Threshold Voltage
VGS(th)
VDS = VGS, ID = 250µA
2
--
4
V
Drain-Source
Drain
Source On
On-Resistance
Resistance
RDS(on)
VGS = 10V, ID = 30A
--
7.7
9.5
mΩ
Forward Transconductance
gfs
VDS = 10V, ID = 30A
17.1
--
--
S
--
3360
--
--
1037
--
Static
Drain-Source Breakdown Voltage
V(BR)DSS
Zero Gate Voltage Drain Current
IDSS
Gate-Source Leakage
V
μA
Dynamic
Input Capacitance
Ciss
VGS = 0V,
VDS = 34V,
f = 1.0MHz
Output Capacitance
Coss
Reverse Transfer Capacitance
Crss
--
540
--
Total Gate Charge
Qg
--
70
--
Gate-Source Charge
Qgs
--
20
--
Gate-Drain Charge
Qgd
--
17
--
Turn-on Delay Time
td(on)
--
8
--
Turn-on Rise Time
tr
--
7
--
Turn-off Delay Time
td(off)
--
40
--
--
15
--
--
--
80
--
--
320
Turn-off Fall Time
VDD = 34V, ID = 50A,
VGS = 10V
VDD = 34V, ID = 50A,
RG = 2.5Ω
tf
pF
nC
ns
Drain-Source Body Diode Characteristics
Continuous Body Diode Current
IS
TC = 25ºC
A
Pulsed Diode Forward Current
ISM
Body Diode Voltage
VSD
TJ = 25ºC
C, ISD = 30A, VGS = 0V
--
--
1.2
V
Reverse Recovery Time
trr
--
30
--
ns
Reverse Recovery Charge
Qrr
IF = 30A,
diF/dt = 100A/μs
--
45
--
nC
Notes
1.
Repetitive Rating: Pulse Width limited by maximum junction temperature
2.
IAS = 42.5A, L=0.3mH,VDD = 50V, RG = 25Ω, Starting TJ = 25°C
25
3.
The power dissipation PD is based on TJ(MAX)=175°C,
C, using junction-to-case
junction
thermal resistance.
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Ascend Semicondutor Co.,Ltd
ASDM68N80KQ
68V N-Channel MOSFET
Typical Characteristics TJ = 25ºC,
C, unless otherwise noted
Figure 1. Output Characteristics
Figure 2. Transfer Characteristics
100
10V
7V
6V
5V
4.5V
100
80
VDS = 5V
ID, Drain Current (A)
ID, Drain Current (A)
120
60
40
20
80
TJ = 125ºC
60
40
20
TJ = 25ºC
0
0
0
1
2
3
4
2
5
VDS, Drain-to-Source Voltage (V))
3
6
Figure 4. Capacitance
16000
12
VGS = 10V
TJ = 25ºC
11
10
9
8
12000
10000
8000
4000
2000
6
0
20
40
60
80
Ciss
6000
7
0
VGS = 0
f = 1MHz
14000
Capacitance (pF)
RDS(on), On-Resistance (mΩ)
5
VGS, Gate-to-Source Voltage (V)
Figure 3. On-Resistance vs. Drain Current
Coss
Crss
0
100
ID, Drain Current (A)
10
20
30
40
50
60
70
VDS, Drain-to-Source Voltage (V)
Figure 5. Gate Charge
Figure 6. Body Diode Forward Voltage
12
102
VDS = 35V
10
IS, Source Current (A)
VGS, Gate-to-Source Voltage (V)
4
8
6
4
2
TJ = 125ºC
101
TJ = 25ºC
100
0
0
20
40
60
80
Qg, Total Gate Charge (nC))
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10-1 0
0.2
0.4
0.6
0.8
1
1.2
VSD, Source-to-Drain Voltage (V)
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Ascend Semicondutor Co.,Ltd
ASDM68N80KQ
68V N-Channel MOSFET
Typical Characteristics TJ = 25ºC,
C, unless otherwise noted
Figure 7. On-Resistance
Resistance vs. Temperature
Figure 8. Threshold Voltage vs. Temperature
0.6
VGS = 10V
ID = 30A
2.0
0.4
VGS(th), (Variance)
RDS(on), (Normalized)
2.5
1.5
1.0
0.5
ID = 250µA
0.2
0.0
-0.2
-0.4
-0.6
-0.8
0.8
0.0
-50
-25
0
25
50
75
100
125
-50
150
C)
TJ, Junction Temperature (ºC)
0
25
50
75
100
125
150
TJ, Junction Temperature (ºC)
Figure 9. Transient Thermal Impedance
Figure 10. Safe Operation Area
103
101
ID, Drain Current(A)
ZthJC, Thermal Impedance (Normalized)
-25
100
D = 0.5
D = 0.2
D = 0.1
D = 0.05
D = 0.02
D = 0.01
Single Pulse
10-1
10-2
102
101
100
10-1
10-6
10-5
10-4
10-3
10-2
10-1
10-1
100
101
102
103
VDS, Drain-Source Voltage(V)
Tp, Pulse Width (s)
TJ, Junction Temperature (ºC)
C)
NOV 2018 Version1.0
tp = 10us
tp = 100us
tp = 1ms
tp = 10ms
DC
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Ascend Semicondutor Co.,Ltd
ASDM68N80KQ
68V N-Channel MOSFET
Ordering and Marking Information
Ordering Device No.
Marking
Package
Packing
ASDM68N80KQ-R
68N80
TO-252
Tape&Reel
2500/Reel
MARKING
PACKAGE
TO-252
NOV 2018 Version1.0
Quantity
68N80
5/7
Ascend Semicondutor
ASDM68N80KQ
68V N-Channel MOSFET
TO-252
NOV 2018 Version1.0
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Ascend Semicondutor
ASDM68N80KQ
68V N-Channel MOSFET
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