參數(shù)資料
型號(hào): BLF544B
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 功率晶體管
英文描述: UHF push-pull power MOS transistor
中文描述: 2 CHANNEL, UHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: SOT-268A, 4 PIN
文件頁(yè)數(shù): 6/12頁(yè)
文件大小: 75K
代理商: BLF544B
October 1992
6
Philips Semiconductors
Product specification
UHF push-pull power MOS transistor
BLF544B
APPLICATION INFORMATION FOR CLASS-B OPERATION
T
h
= 25
°
C; R
th mb-h
= 0.4 K/W; unless otherwise specified.
RF performance in a push-pull, common source, class-B test circuit.
MODE OF OPERATION
f
(MHz)
V
DS
(V)
I
DQ
(mA)
2
×
20
P
L
(W)
G
P
(dB)
>
12
typ. 15
η
D
(%)
>
50
typ. 60
CW, class-B
500
28
20
Ruggedness in class-B operation
The BLF544B is capable of withstanding a load mismatch
corresponding to VSWR = 50 through all phases, under
the following conditions:
V
DS
= 28 V, f = 500 MHz at rated output power.
Fig.9
Power gain and efficiency as functions of
output power, typical values.
Class-B operation; V
= 28 V; I
DQ
= 2
×
20 mA;
Z
L
= 8.4
+
j14.3
; f = 500 MHz.
handbook, halfpage
(dB)
0
10
PL (W)
Gp
20
30
0
20
15
10
5
80
η
D
(%)
30
70
60
50
40
MDA517
η
D
Fig.10 Load power as a function of input power,
typical values.
Class-B operation; V
= 28 V; I
DQ
= 2
×
20 mA;
Z
L
= 8.4
+
j14.3
; f = 500 MHz.
handbook, halfpage
0
PL
(W)
PIN (W)
20
10
0
0.4
2
0.8
1.2
1.6
MDA516
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BLF547 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:UHF push-pull power MOS transistor
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