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VRF2944 데이터시트(PDF) 3 Page - Microchip Technology

부품명 VRF2944
상세설명  RF POWER VERTICAL MOSFET
PDF  6 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

VRF2944 데이터시트(HTML) 3 Page - Microchip Technology

  VRF2944 Datasheet HTML 1Page - Microchip Technology VRF2944 Datasheet HTML 2Page - Microchip Technology VRF2944 Datasheet HTML 3Page - Microchip Technology VRF2944 Datasheet HTML 4Page - Microchip Technology VRF2944 Datasheet HTML 5Page - Microchip Technology VRF2944 Datasheet HTML 6Page - Microchip Technology  
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0
0.05
0.10
0.15
0.20
0.25
10-5
10-4
10-3
10-2
10
1.0
-1
VRF2944(MP)
Peak T J = P DM x Z θJC + TC
Duty Factor D =
t1/t2
t2
t1
Note:
t1 = Pulse Duration
RECTANGULAR PULSE DURATION (seconds)
Figure 5. Maximum Effective Transient Thermal Impedance Junction-to-Case vs Pulse Duration
0
100
200
300
400
500
600
700
800
0
0.5
1
1.5
2
2.5
3
0
10
20
30
40
50
60
70
80
90
100
0
100
200 300
400
500 600 700
P
IN, INPUT POWER (WATTS PEP)
Figure 6. P
OUT versus PIN
P
OUT, OUTPUT POWER (WATTS PEP)
Figure 7. EFFICIENCY versus P
IN
50V
40V
Freq=30MHz
Freq=30MHz
0.3
D = 0.9
0.7
SINGLE PULSE
0.5
0.1
0.05
50V
40V
FIGURE 5b, TRANSIENT THERMAL IMPEDANCE MODEL
.0052
Dissipated Power
(Watts)
T
J ( C)
T
C ( C)
Z
EXT are the external thermal
impedances: Case to sink,
sink to ambient, etc. Set to
zero when modeling only
the case to junction.
.0408
.0981
.071
.0016
.0030
.0133
.0366
20
21
22
23
24
25
26
0
100
200 600 400
500
600
700
P
OUT, OUTPUT POWER (WATTS PEP)
Figure 7. GAIN versus P
OUT
60V
50V
Freq=30MHz
60V
60V
40V



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