BLF244 NXP Semiconductors, BLF244 Datasheet - Page 7

• Manufacturer Part Number: BLF244
• Description: Silicon N-channel enhancement mode vertical D-MOS transistor designed for large signal amplifier applications in the VHF frequency range
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 13
handbook, halfpage
handbook, halfpage
VHF power MOS transistor
Class-B operation; V
f = 175 MHz; T
Fig.9
Class-B operation; V
f = 175 MHz; T
Fig.11 Load power as a function of input power;
(W)
(W)
P L
P L
30
20
10
20
10
0
0
0
Load power as a function of input power;
typical values.
typical values.
h
h
= 25 C; R
= 25 C; R
DS
DS
= 28 V; I
= 12.5 V; I
th mb-h
th mb-h
DQ
= 0.3 K/W.
= 0.3 K/W.
1
1
DQ
= 25 mA;
= 25 mA;
P IN (W)
P IN (W)
MGP157
MGP159
2
2
7
handbook, halfpage
handbook, halfpage
Class-B operation; V
f = 175 MHz; T
Fig.10 Power gain and efficiency as functions of
Class-B operation; V
f = 175 MHz; T
Fig.12 Power gain and efficiency as functions of
(dB)
(dB)
G p
G p
20
10
20
16
12
0
8
4
0
0
load power; typical values.
load power; typical values.
h
h
= 25 C; R
= 25 C; R
DS
DS
4
G p
= 28 V; I
= 12.5 V; I
10
D
th mb-h
th mb-h
G p
D
DQ
= 0.3 K/W.
= 0.3 K/W.
8
DQ
= 25 mA;
= 25 mA;
20
Product specification
12
P L (W)
P L (W)
BLF244
MGP158
MGP160
30
16
100
50
0
100
80
60
40
20
(%)
(%)
D
D