POLYFET LX501

polyfet rf devices
LX501
General Description
Silicon VDMOS and LDMOS
transistors designed specifically
for broadband RF applications.
Suitable for Military Radios,
Cellular and Paging Amplifier Base
Stations, Broadcast FM/AM, MRI,
Laser Driver and others.
SILICON GATE ENHANCEMENT MODE
RF POWER LDMOS TRANSISTOR
100.0 Watts Single Ended
Package Style LX2
"Polyfet" TM process features
low feedback and output capacitances,
resulting in high Ft transistors with high
input impedance and high efficiency.
HIGH EFFICIENCY, LINEAR
HIGH GAIN, LOW NOISE
o
ABSOLUTE MAXIMUM RATINGS ( T = 25 C )
Total
Device
Dissipation
220 Watts
Junction to
Case Thermal
Resistance
Maximum
Junction
Temperature
o
0.75 C/W
o
200 C
DC Drain
Current
Storage
Temperature
o
o
-65 C to 150 C
13.0 A
Drain to
Gate
Voltage
Drain to
Source
Voltage
Gate to
Source
Voltage
70 V
70 V
20 V
RF CHARACTERISTICS ( 100.0 WATTS OUTPUT )
SYMBOL
PARAMETER
MIN
Gps
Common Source Power Gain
η
Drain Efficiency
VSWR
TYP
MAX
12
50
Load Mismatch Tolerance
5:1
UNITS
TEST CONDITIONS
dB
Idq = 0.80 A, Vds = 28.0 V, F =
500 MHz
%
Idq = 0.80 A, Vds = 28.0 V, F =
500 MHz
Relative
Idq = 0.80 A, Vds = 28.0 V, F = 500 MHz
ELECTRICAL CHARACTERISTICS ( EACH SIDE )
SYMBOL
PARAMETER
Bvdss
Drain Breakdown Voltage
Idss
Zero Bias Drain Current
Igss
Gate Leakage Current
Vgs
Gate Bias for Drain Current
gM
Forward Transconductance
Rdson
Saturation Resistance
Idsat
MIN
TYP
MAX
TEST CONDITIONS
V
Ids =
1.0
mA
Vds = 28.0 V, Vgs = 0V
1
uA
Vds = 0V Vgs = 30V
7
V
Ids = 0.30 A, Vgs = Vds
65
1
UNITS
0.25 mA, Vgs = 0V
4.8
Mho
Vds = 10V, Vgs = 5V
0.20
Ohm
Vgs = 20V, Ids =13.00 A
Saturation Current
30.00
Amp
Vgs = 20V, Vds = 10V
Ciss
Common Source Input Capacitance
150.0
pF
Vds = 28.0 Vgs = 0V, F = 1 MHz
Crss
Common Source Feedback Capacitance
7.5
pF
Vds = 28.0 Vgs = 0V, F = 1 MHz
Coss
Common Source Output Capacitance
100.0
pF
Vds = 28.0 Vgs = 0V, F = 1 MHz
POLYFET RF DEVICES
REVISION 07/17/2003
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:[email protected] URL:www.polyfet.com
LX501
POUT VS PIN GRAPH
CAPACITANCE VS VOLTAGE
125
LX501 Pout vs Pin F=500MH z , V D S =28V , Idq=.5A
15.00
100
14.00
P 1dB=100W
L 5 1 D IE
C A P A C IT A N C E
1000
Ciss
100
Pout
75
13.00
Coss
Gain
50
12.00
25
11.00
Efficiency @100W=60%%
0
10.00
0
2
4
6
PIN IN W A TTS
10
8
Crss
1
0
10
5
IV CURVE
10
15
20
V D S IN V O L T S
25
30
ID & GM VS VGS
L 5 B 1 D IE
L5B 1 DIE
ID , G M v s V G
100
30
25
ID IN AMPS
20
Id
15
10
10
gM
5
G
0
VDS=10V
0
vg=2v
2
4
Vg=4v
6
8
10
12
VDS IN VOLTS
Vg=6v
Zin Zout
vg=8v
14
16
vg=10v
18
20
vg=12v
1
0
2
4
6
8
V g s in V o lts
10
12
14
PACKAGE DIMENSIONS IN INCHES
Tolerance .XX +/-0.01
POLYFET RF DEVICES
.XXX +/-.005 inches
REVISION 07/17/2003
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:[email protected] URL:www.polyfet.com