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 HiPerRF TM Power MOSFETs
F-Class: MegaHertz Switching
N-Channel Enhancement Mode Avalanche Rated, Low Qg, Low Intrinsic Rg High dV/dt, Low trr
IXFX 55N50F IXFK 55N50F
VDSS = 500 V ID25 = 55 A RDS(on) = 85 m trr 250 ns
PLUS 247TM (IXFX)
Symbol VDSS VDGR VGS VGSM ID25 IDM IAR EAR EAS dv/dt PD TJ TJM Tstg TL Md Weight
Test Conditions TJ = 25C to 150C TJ = 25C to 150C; RGS = 1 M Continuous Transient TC = 25C TC = 25C, pulse width limited by TJM TC = 25C TC = 25C TC = 25C IS IDM, di/dt 100 A/s, VDD VDSS TJ 150C, RG = 2 TC = 25C
Maximum Ratings
G
(TAB) D
500 500 20 30 55 220 55 60 3.0 10 560 -55 ... +150 150 -55 ... +150
V V V V A A A mJ J V/ns W C C C C
TO-264 AA (IXFK)
G D S
(TAB)
G = Gate S = Source Features
D = Drain TAB = Drain
1.6 mm (0.063 in.) from case for 10 s Mounting torque TO-264 PLUS 247 TO-264
300
0.4/6 Nm/lb.in. 6 10 g g
RF capable Mosfets Rugged polysilicon gate cell structure Double metal process for low gate resistance Unclamped Inductive Switching (UIS) rated Low package inductance - easy to drive and to protect Fast intrinsic rectifier

Applications
Symbol
Test Conditions
Characteristic Values (TJ = 25C, unless otherwise specified) min. typ. max. 500 3.0 V 5.5 V 200 nA TJ = 25C TJ = 125C 100 A 3 mA 85 m
VDSS VGS(th) IGSS IDSS RDS(on)
VGS = 0 V, ID = 1mA VDS = VGS, ID = 8mA VGS = 20 V, VDS = 0 VDS = VDSS VGS = 0 V VGS = 10 V, ID = 0.5 * ID25 Note 1
DC-DC converters Switched-mode and resonant-mode power supplies, >500kHz switching DC choppers Pulse generation Laser drivers
Advantages

PLUS 247TM package for clip or spring mounting Space savings High power density
(c) 2002 IXYS All rights reserved
98855-A (9/02)
IXFK 55N50F IXFX 55N50F
Symbol Test Conditions Characteristic Values (TJ = 25C, unless otherwise specified) min. typ. max. Note 1 22 33 6700 VGS = 0 V, VDS = 25 V, f = 1 MHz 1250 330 24 VGS = 10 V, VDS = 0.5 * VDSS, ID = 0.5 * ID25 RG = 1 (External) 20 45 9.6 195 VGS = 10 V, VDS = 0.5 * VDSS, ID = 0.5 * ID25 50 95 0.21 0.15 S pF pF pF ns ns ns ns nC nC nC K/W K/W
A A1 A2 b b1 b2 C D E e L L1 Q R Dim.
Terminals: 1 - Gate 2 - Drain (Collector) 3 - Source (Emitter) 4 - Drain (Collector)
PLUS 247TM Outline
gfs Ciss Coss C rss td(on) tr td(off) tf Qg(on) Qgs Qgd RthJC RthCK
V DS = 10 V; ID = 0.5 * ID25
Source-Drain Diode Symbol IS ISM VSD t rr QRM IRM Test Conditions V GS = 0 V Repetitive; pulse width limited by TJM IF = 25A, VGS = 0 V, Note 1
Characteristic Values (TJ = 25C, unless otherwise specified) min. typ. max. 55 220 1.5 250 A A V ns C A
Millimeter Min. Max. 4.83 5.21 2.29 2.54 1.91 2.16 1.14 1.40 1.91 2.13 2.92 3.12 0.61 0.80 20.80 21.34 15.75 16.13 5.45 BSC 19.81 20.32 3.81 4.32 5.59 6.20 4.32 4.83
Inches Min. Max. .190 .205 .090 .100 .075 .085 .045 .055 .075 .084 .115 .123 .024 .031 .819 .840 .620 .635 .215 BSC .780 .800 .150 .170 .220 0.244 .170 .190
TO-264 AA Outline
IF = 25A,-di/dt = 100 A/s, VR = 100 V
1.0 10
Note: 1. Pulse test, t 300 s, duty cycle d 2 %
Dim. A A1 A2 b b1 b2 c D E e J K L L1 P Q Q1 R R1 S T
Millimeter Min. Max. 4.82 5.13 2.54 2.89 2.00 2.10 1.12 1.42 2.39 2.69 2.90 3.09 0.53 0.83 25.91 26.16 19.81 19.96 5.46 BSC 0.00 0.25 0.00 0.25 20.32 20.83 2.29 2.59 3.17 3.66 6.07 6.27 8.38 8.69 3.81 4.32 1.78 2.29 6.04 6.30 1.57 1.83
Min.
Inches Max.
.190 .202 .100 .114 .079 .083 .044 .056 .094 .106 .114 .122 .021 .033 1.020 1.030 .780 .786 .215 BSC .000 .010 .000 .010 .800 .820 .090 .102 .125 .144 .239 .247 .330 .342 .150 .170 .070 .090 .238 .248 .062 .072
IXYS reserves the right to change limits, test conditions, and dimensions.
IXYS MOSFETs and IGBTs are covered by one or more of the following U.S. patents: 4,835,592 4,850,072 4,881,106 4,931,844 5,017,508 5,034,796 5,049,961 5,063,307 5,187,117 5,237,481 5,486,715 5,381,025 6,306,728B1
IXFK 55N50F IXFX 55N50F
Fig. 1. Output Characteristics at 25oC
140 120
TJ = 25OC VGS = 10V 9V 8V
Fig. 2. Output Characteristics at 125oC
100
TJ = 125OC VGS = 10V 9V 8V
7V
80
ID - Amperes
ID - Amperes
100 80
60 40 20
7V
60 40 20 0
6V 5V
6V
5V
0 10 12
0
2
4
6
8
0
6
12
18
VDS - Volts
VDS - Volts
Fig. 3. RDS(ON) vs. Drain Current
4.0 3.5
VGS = 10V TJ = 150 C
O
Fig. 4. RDS(ON) vs. TJ
3
VGS = 10V
RDS(ON) - Normalized
3.0 2.5 2.0 1.5 1.0 0.5 0 10
RDS(ON) - Normalized
2
ID = 55A
ID = 27.5A
1
TJ = 25OC
20
30
40
50
0
-25
0
25
50
75
100 125 150
ID - Amperes
T J - Degrees C
Fig. 5. Drain Current vs. Case Temperature
60 55 50 45 40 35 30 25 20 15 10 5 0
Fig. 6. Admittance Curves
20
15
ID - Amperes
ID - Amperes
10
TJ = 125oC TJ = 25oC TJ = -40oC
5
-50
-25
0
25
50
75
100 125 150
0 3.5
4.0
4.5
5.0
5.5
6.0
6.5
T C - Degrees C
VGS - Volts
(c) 2002 IXYS All rights reserved
IXFK 55N50F IXFX 55N50F
Fig. 7. Gate Charge Characteristic Curve
15
VDS = 250V ID = 27.5A
Fig. 8. Capacitance Curves
10000
Ciss
5000
VGS - Volts
10
Capacitance - pF
2500
Coss
f = 1MHz
5
1000
Crss
500 0 250
0
50
100
150
200
250
300
0
5
10
15
20
25
30
Gate Charge - nC
VDS - Volts
Fig. 9. Source Current vs. Source to Drain Voltage
25
20
ID - Amperes
15
TJ = 125 C
10
O
TJ = 25 C
O
5
0 0.2
0.4
0.6
0.8
1.0
VSD - Volts
Fig. 10. Thermal Impedance
1
ZthJC - (K/W)
0.1
Single Pulse
0.01
0.001 10-4
10-3
10-2
10-1
100
101
Pulse Width - Seconds
IXYS reserves the right to change limits, test conditions, and dimensions.
IXYS MOSFETs and IGBTs are covered by one or more of the following U.S. patents: 4,835,592 4,850,072 4,881,106 4,931,844 5,017,508 5,034,796 5,049,961 5,063,307 5,187,117 5,237,481 5,486,715 5,381,025 6,306,728B1


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