Absolute Maximum Ratings (not simultaneous) at 25˚C Case Temperature
Parameter
Drain-Source Voltage
Gate-to-Source Voltage
Storage Temperature
Operating Junction Temperature
Maximum Forward Gate Current
Soldering Temperature
Thermal Resistance, Junction to
Case
1
Symbol
V
DSS
V
GS
T
STG
T
J
I
GMAX
T
S
R
θJC
Rating
84
-10, +2
-55, +150
175
15
245
2.7
Units
Volts
Volts
˚C
˚C
mA
˚C
˚C/W
Note:
1
Measured for the CGH40045F at 43W P
DISS
.
Electrical Characteristics (T
C
= 25˚C)
Characteristics
DC Characteristics
2
Gate Threshold Voltage
Gate Quiescent Voltage
Saturated Drain Current
3
Drain-Source Breakdown Voltage
Case Operating Temperature
4
Screw Torque
V
GS(th)
V
GS(Q)
I
DS
V
BR
T
C
T
-3.0
–
9.6
84
-10
–
-2.5
-2.3
10.8
100
–
–
-1.8
–
–
–
+60
80
VDC
VDC
A
VDC
˚C
in-oz
V
DS
= 10 V, I
D
= 14.4 mA
V
DS
= 28 V, I
D
= 800 mA
V
DS
= 6.0 V, V
GS
= 2.0 V
V
GS
= -8 V, I
D
= 14.4 mA
P
DISS
= 43 W
Reference 440193 Rev 1
Symbol
Min.
Typ.
Max.
Units
Conditions
RF Characteristics (T
C
= 25
˚
C, F
0
= 3.6 GHz unless otherwise noted)
Small Signal Gain
Power Output at 3 dB
Compression
Drain Efficiency
1
Output Mismatch Stress
Dynamic Characteristics
Input Capacitance
Output Capacitance
Feedback Capacitance
C
GS
C
DS
C
GD
–
–
–
19.3
4.6
1.7
–
–
–
pF
pF
pF
V
DS
= 28 V, V
gs
= -8 V, f = 1 MHz
V
DS
= 28 V, V
gs
= -8 V, f = 1 MHz
V
DS
= 28 V, V
gs
= -8 V, f = 1 MHz
G
SS
P
3dB
η
11.0
45
50
–
12.0
55
55
TBD
–
–
–
–
dB
W
%
Y
V
DD
= 28 V, I
DQ
= 800 mA
V
DD
= 28 V, I
DQ
= 800 mA
V
DD
= 28 V, I
DQ
= 800 mA, P
OUT
= P
3dB
No damage at all phase angles,
V
DD
= 28 V, I
DQ
= 800 mA,
P
OUT
= 45 W CW
VSWR
Notes:
1
Drain Efficiency = P
OUT
/ P
DC
2
Measured on wafer prior to packaging.
3
Scaled from PCM data.
4
See also, the Power Dissipation De-rating Curve on Page 5.
Copyright © 2006-2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and
the Cree logo are registered trademarks of Cree, Inc.
2
CGH40045 Rev . Preliminary
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/wireless
CREE [ CREE, INC ]
