st744 Polyfet RF Devices, st744 Datasheet - Page 2

• Manufacturer Part Number: st744
• Description: Rf Power Vdmos Transistor
• Manufacturer: Polyfet RF Devices

16
14
12
10
8
6
4
2
0
140
120
100
0
80
60
40
20
0
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:[phone] FAX: [phone] EMAIL:[e-mail] URL:www.polyfet.com
0
2
vg=2v
4
S T 7 4 4 P in v s P o u t F re q = 1 7 5
M h z ;V d s = 5 0 V d c , I d q = 8 0 0 m a
1
POUT VS PIN GRAPH
Vg=4v
6
Efficiency@100W = 45%
Zin Zout
P in in w a tts
8
2
S1E 4 DIE IV
IV CURVE
Vg=6v
VDS IN VOLTS
10
vg=8v
3
12
14
0
4
POLYFET RF DEVICES
16
vg=12v
Pout
Gain
18
5
20
19
18
17
16
15
14
13
20
ST744
100.00
1000
100
10.00
0.1
10
1.00
0.10
1
0
0
Tolerance .XX +/-0.01
5
2
PACKAGE DIMENSIONS IN INCHES
10
CAPACITANCE VS VOLTAGE
S1E 4 DIE ID & GM Vs VG
4
S1E 4 DIE CAPACITANCE
15
ID & GM VS VGS
6
20
VDS IN VOLTS
Vgs in Volts
REVISION 07/17/2003
8
25
gM
.XXX +/-.005 inches
10
30
12
35
Crss
Id
14
Coss
40
Ciss
16
45
18
50