BLF1048 Philips Semiconductors, BLF1048 Datasheet - Page 3

• Manufacturer Part Number: BLF1048
• Description: UHF power LDMOS transistor
• Manufacturer: Philips Semiconductors

Philips Semiconductors
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
Note
1. Determined under specified RF operating conditions, based on maximum peak junction temperature.
CHARACTERISTICS
T
APPLICATION INFORMATION
RF performance in a common source class-AB circuit. T
Ruggedness in class-AB operation
The BLF1048 is capable of withstanding a load mismatch corresponding to VSWR = 10 : 1 through all phases under the
following conditions: V
2000 Feb 02
V
V
I
T
T
R
V
V
I
I
I
g
R
C
C
C
CW, class-AB (2-tone)
CW, class-AB (1-tone)
MODE OF OPERATION
D
j
DSS
DSX
GSS
fs
SYMBOL
stg
j
SYMBOL
SYMBOL
DS
GS
(BR)DSS
GSth
th j-h
= 25 C unless otherwise specified.
DSon
is
os
rs
UHF power LDMOS transistor
drain-source voltage
gate-source voltage
drain current (DC)
storage temperature
junction temperature
thermal resistance from junction to heatsink
drain-source breakdown voltage
gate-source threshold voltage
drain-source leakage current
drain cut-off current
gate leakage current
forward transconductance
drain-source on-state resistance
input capacitance
output capacitance
feedback capacitance
DS
PARAMETER
= 26 V; f = 960 MHz at rated load power.
f
1
= 960; f
PARAMETER
(MHz)
960
f
2
= 960.1
PARAMETER
V
V
V
V
V
V
V
V
V
V
GS
DS
GS
GS
GS
DS
GS
GS
GS
GS
V
h
(V)
= 0; I
= 10 V; I
= 0; V
= V
= 20 V; V
= 10 V; I
= V
= 0; V
= 0; V
= 0; V
26
26
DS
= 25 C; R
3
GSth
GSth
CONDITIONS
D
DS
DS
DS
DS
= 1.4 mA
+ 9 V; V
+ 9 V; I
D
D
= 26 V
= 26 V; f = 1 MHz
= 26 V; f = 1 MHz
= 26 V; f = 1 MHz
= 140 mA
= 7 A
90 (PEP)
DS
T
note 1
th j-h
(W)
h
= 0
P
90
= 25 C; P
D
L
DS
= 1.15 K/W, unless otherwise specified.
= 7 A
CONDITIONS
= 10 V
tot
(dB)
>14
>14
G
= 100 W;
p
65
4
25
MIN.
65
MIN.
4
150
92
74
3
Preliminary specification
TYP.
>35
>45
(%)
65
9
+150
200
VALUE
20
D
MAX.
1.15
BLF1048
5
10
250
MAX.
V
V
A
(dBc)
C
C
d
UNIT
UNIT
K/W
V
V
A
nA
S
m
pF
pF
pF
im
UNIT
26
A