BLF571 NXP Semiconductors, BLF571 Datasheet - Page 3

• Manufacturer Part Number: BLF571
• Description: LDMOS,RF,20W,HF-500MHZ,50V
• Manufacturer: NXP Semiconductors

Specifications of BLF571

• Drain Source Voltage Vds: 110V
• Continuous Drain Current Id: 3.6A
• Operating Frequency Range: 430MHz To 520MHz
• Rf Transistor Case: SOT-467C
• No. Of Pins: 2
• Transistor Type: RF MOSFET
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
6. Characteristics
BLF571_2
Product data sheet
Table 6.
T
Table 7.
Mode of operation: CW; f = 225 MHz; RF performance at V
unless otherwise specified; in a class-AB production test circuit.
Symbol Parameter
V
V
V
I
I
I
g
R
C
C
C
Symbol
G
RL
DSS
DSX
GSS
j
fs
D
(BR)DSS
GS(th)
GSq
DS(on)
rs
iss
oss
p
= 25 C unless otherwise specified.
in
drain-source breakdown
voltage
gate-source threshold voltage
gate-source quiescent voltage V
drain leakage current
drain cut-off current
gate leakage current
forward transconductance
drain-source on-state
resistance
feedback capacitance
input capacitance
output capacitance
DC characteristics
RF characteristics
Parameter
power gain
input return loss
drain efficiency
Rev. 02 — 24 February 2009
Conditions
P
P
P
L
L
L
Conditions
V
V
V
V
V
V
V
V
I
V
f = 1 MHz
V
f = 1 MHz
V
f = 1 MHz
D
= 20 W
= 20 W
= 20 W
GS
DS
DS
GS
GS
DS
GS
DS
GS
GS
GS
GS
= 833 mA
= 10 V; I
= 50 V; I
= 10 V
= 10 V; I
= 0 V; I
= 0 V; V
= V
= 11 V; V
= V
= 0 V; V
= 0 V; V
= 0 V; V
GS(th)
GS(th)
D
DS
DS
DS
DS
D
D
D
= 0.25 mA
+ 3.75 V;
+ 3.75 V;
DS
= 25 mA
= 50 mA
= 1.25 A
HF / VHF power LDMOS transistor
= 50 V
= 50 V;
= 50 V;
= 50 V;
DS
= 0 V
= 50 V; I
Min
25.5
10
67
Min
110
1.25
1.25
-
3.0
-
-
-
-
-
-
Dq
= 50 mA; T
Typ
27.5
13
70
Typ
-
1.7
1.75
-
3.6
-
1.8
1.34
0.18
22.9
9.64
© NXP B.V. 2009. All rights reserved.
BLF571
Max
29.5
-
-
case
Max
-
2.25
2.25
1.4
-
140
-
-
-
-
-
= 25 C;
Unit
dB
dB
%
3 of 13
Unit
V
V
V
A
nA
S
pF
pF
pF
A