BLF574 NXP Semiconductors, BLF574 Datasheet - Page 11

• Manufacturer Part Number: BLF574
• Description: LDMOS,RF,500W,HF-500MHZ,50V
• Manufacturer: NXP Semiconductors

Specifications of BLF574

• Transistor Type: RF MOSFET
• Drain Source Voltage Vds: 110V
• Continuous Drain Current Id: 56A
• Operating Frequency Range: 225MHz
• Rf Transistor Case: SOT-539A
• No. Of Pins: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
BLF574_2
Product data sheet
Fig 10. Power gain and drain efficiency as functions of
(dB)
G
p
30
28
26
24
22
0
V
load power; typical values
DS
= 50 V; I
8.2.1 1-Tone CW
100
8.2 RF performance
Dq
= 1000 mA; f = 225 MHz.
The following figures are measured in a class-AB production test circuit.
200
300
G
D
p
400
001aaj134
P
L
(W)
Rev. 02 — 24 February 2009
500
80
60
40
20
0
(%)
D
Fig 11. Power gain as function of load power; typical
(dB)
G
(1) I
(2) I
(3) I
(4) I
(5) I
(6) I
(7) I
p
30
28
26
24
22
0
V
values
Dq
Dq
Dq
Dq
Dq
Dq
Dq
DS
= 400 mA
= 600 mA
= 800 mA
= 1000 mA
= 1200 mA
= 1400 mA
= 1800 mA
= 50 V; f = 225 MHz.
100
HF / VHF power LDMOS transistor
200
(7)
(6)
(5)
(4)
(3)
(2)
(1)
300
© NXP B.V. 2009. All rights reserved.
400
BLF574
001aaj135
P
L
(W)
500
11 of 18