LET9150

LET9150
RF power transistor from the LdmoST family
of n-channel enhancement-mode lateral MOSFETs
Features
■
Excellent thermal stability
■
Common source configuration push-pull
■
POUT = 150 W with 20 dB gain @ 860 MHz
■
BeO-free package
Description
The LET9150 is a common source n-channel
enhancement-mode lateral field-effect RF power
transistor designed for broadband commercial
and industrial applications at frequencies up to 2
GHz.
M246
Epoxy sealed
Figure 1.
Pin connection
1-2 Drain
1
2
5
4
3 Source
4-5 Gate
Table 1.
Device summary
Order code
Package
Branding
LET9150
M246
LET9150
December 2010
Doc ID 16369 Rev 6
1/12
www.st.com
12
Contents
LET9150
Contents
1
2
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2
Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Impedance data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Typical performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2/12
Doc ID 16369 Rev 6
LET9150
Electrical data
1
Electrical data
1.1
Maximum ratings
Table 2.
Absolute maximum ratings (TCASE = 25 °C)
Symbol
Value
Unit
V(BR)DSS
Drain-source voltage
80
V
VGS
Gate-source voltage
- 0.5 / + 15
V
Drain current
20
A
Power dissipation
269
W
Max. operating junction temperature
200
°C
-65 to +150
°C
Value
Unit
0.65
°C/W
ID
PDISS
TJ
TSTG
1.2
Parameter
Storage temperature
Thermal data
Table 3.
Symbol
RthJC
Thermal data
Parameter
Junction - case thermal resistance
Doc ID 16369 Rev 6
3/12
Electrical characteristics
2
LET9150
Electrical characteristics
TCASE = +25 oC
2.1
Static
Table 4.
Static (per section)
Symbol
2.2
Test conditions
Min
80
Max
Unit
V(BR)DSS
VGS = 0 V
IDS = 1 mA
IDSS
VGS = 0 V
VDS = 28 V
1
µA
IGSS
VGS = 5 V
VDS = 0 V
1
µA
VGS(Q)
VDS = 28 V
ID = 600 mA
5.0
V
VDS(ON)
VGS = 10 V
ID = 3 A
0.9
V
GFS
VDS = 10 V
ID = 3 A
CISS
VGS = 0 V
VDS = 32 V
f = 1 MHz
68
pF
COSS
VGS = 0 V
VDS = 32 V
f = 1 MHz
33
pF
CRSS
VGS = 0 V
VDS = 32 V
f = 1 MHz
0.65
pF
V
2.0
0.7
2.5
mho
Dynamic
Table 5.
Dynamic
Symbol
Test conditions
Min
Typ
Max
Unit
POUT
VDD = 32 V IDQ = 600 mA
PIN = 2.5 W
150
175
GPS
VDD = 32 V IDQ = 600 mA POUT = 150 W f = 860 MHz
18
20
ηD
VDD = 32 V IDQ = 600 mA POUT = 150 W f = 860 MHz
60
69
%
12
dB
RTL
VDD = 32 V
f = 860 MHz
IDQ = 600 mA POUT = 150 W f = 860 MHz
VDD = 32 V IDQ = 600 mA POUT = 150 W f = 860 MHz
Load
Mismatch all phase angles
4/12
Typ
Doc ID 16369 Rev 6
W
-
20:1
dB
VSWR
LET9150
3
Impedance data
Impedance data
Figure 2.
Impedance data
D
ZDL
Typical drain
load
Typical
input
G
Zin
S
Table 6.
Impedance data
Frequency MHz
Z source (Ω)
Z load (Ω)
860
0.8 - j 1.3
4.8 - j 2.4
Doc ID 16369 Rev 6
5/12
Typical performances
LET9150
4
Typical performances
Figure 3.
Gain vs output power and bias
current @ f= 860 MHz, Vdd = 32 V
!-V
'AIN
D"
Figure 4.
Pout
(W)
180
Output power and efficiency vs
input power
AM07296v1
Eff. (%)
80
Efficiency
60
140
Pout
)DQM!
)DQM!
)DQM!
)DQM!
40
100
Freq = 860 MHz
Vdd = 32 V
Idq = 600 mA
60
20
Figure 5.
Gain
(dB)
0OUT7
Gain and efficiency vs output
power @ f= 860 MHz, Vdd = 32 V,
Idq= 600 mA
AM07297v1
Eff. (%)
Gain
Efficiency
20
0
Figure 6.
Pout
(W)
70
22
0.5
1
1.5
2
0
2.5 Pin(W)
Output power vs drain supply
voltage
AM07298v1
Freq = 860 MHz
Idq = 600 mA
160
50
18
120
30
14
10
0
6/12
40
80
120
160
10
Pout(W)
Pin = 0.5 W
Pin = 1 W
Pin = 1.6 W
Pin = 2.8 W
80
40
26
Doc ID 16369 Rev 6
28
30
32
34
36 Vdd(V)
LET9150
5
Test circuit
Test circuit
Figure 7.
Table 7.
Test circuit schematic
Test circuit component part list
Item
Qty.
Part number
Vender
Description
R1, R3
2
CR1206-8W-130JB
VENKEL
1.2 KΩ, 1/8 W surface mount chip resistor
R2,R4
2
CR1206-8W-122JB
VENKEL
13 Ω, 1/8 W surface mount chip resistor
FB1,2,3,4,4,6
2
2743021447
FAIR-RITE
CORP
C1,C2,C5,C6
4
C3,C4,C7,C8
4
ATC100B200XXXX
ATC
20 pF chip capacitor
C9,C10
2
ATC200B203MW
ATC
20000 pF chip capacitor
C11, C12
2
ATC100B510XXXX
ATC
51 pF chip capacitor
C13,17
2
27291PC
JOHANSON
C14,15
2
ATC100B130XXXX
ATC
C16
1
C18,19
1
ATC100B1R3XXXX
ATC
1.3 pF chip capacitor
C20,C21
1
ATC100B180XXXX
ATC
18 pF chip capacitor
B1,B2
2
EZ 141
HUBERSUHNER
TL21, TL22
2
Surface mount EMI sheild bead
100 µF, 63 V electrolytic capacitor
JOHANSON
0.8-8 pF giga trim variable capacitor
13 pF chip capacitor
0.6-4.5 pF giga trim variable capacitor
BALUN , 50 Ω SUCOFORM, OD 0.141. 2.37 LG
coaxial cable or equivalent
L= 0.200in [5.08mm]
Doc ID 16369 Rev 6
W=0.082in [2.08mm]
7/12
Test circuit
Table 7.
LET9150
Test circuit component part list (continued)
Item
Qty.
TL1, TL2
2
L= 0.229in [5.81mm]
W=0.300in [7.62mm]
TL3, TL4
2
L= 0.207in [5.27mm]
W=0.300in [7.62mm]
TL5, TL6
2
L= 0.156in [3.96mm]
W=0.503in [12.76mm]
TL7, TL8
2
L= 0.134in [3.41mm]
W=0.503in [12.76mm]
TL9,TL10,TL11,
TL12
4
L= 2.37in
W=0.082in [2.08mm]
TL13,TL14
2
L= 0.077in [1.94mm]
W=0.230in [5.84mm]
TL15,TL16
2
L= 0.200in [5.08mm]
W=0.230in [5.84mm]
TL17,TL18
2
L= 0.235in [5.96mm]
W=0.230in [5.84mm]
TL17,TL19
2
L= 0.287in [7.29mm]
W=0.168in [4.27mm]
Board 3X5
1
Er=2.55
h=0.030in
Figure 8.
Part number
Vender
Rogers Corp
Description
t=0.0026in
Test circuit
+
+
8/12
[60.19mm]
Doc ID 16369 Rev 6
LET9150
6
Package mechanical data
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Doc ID 16369 Rev 6
9/12
Package mechanical data
Table 8.
LET9150
M246 (0.230 x 0.650 WIDE 4/L BAL N/HERM W/FLG) mechanical data
Dim.
mm.
Min
Typ
Inch
Max
Min
Max
A
5.33
5.59
0.210
0.220
B
6.48
6.73
0.255
0.265
C
17.27
18.29
0.680
0.720
D
5.72
5.97
0.225
0.235
E
22.86
.900
F
28.83
29.08
1.135
1.145
G
16.26
16.76
0.640
0.660
H
4.19
5.08
0.165
0.200
I
0.08
0.15
0.003
0.006
J
1.83
2.24
0.072
0.088
K
1.40
1.65
0.055
0.065
L
3.18
3.43
0.125
0.135
Figure 9.
Package dimensions
Controlling dimension: Inches
10/12
Typ
Doc ID 16369 Rev 6
Ref. 7145054A
LET9150
7
Revision history
Revision history
Table 9.
Document revision history
Date
Revision
Changes
05-Oct-2009
1
First Issue.
18-Oct-2009
2
Updated VGS in Table 2.
11-Feb-2010
3
Changed test condition for V(BR)DSS in Table 4: Static (per section).
29-Jun-2010
4
Added Section 3: Impedance data and Section 4: Typical
performances.
Updated Table 5.
12-Jul-2010
5
Updated Figure 4: Output power and efficiency vs input power and
Figure 6: Output power vs drain supply voltage.
22-Dec-2010
6
Inserted new Section 5: Test circuit.
Doc ID 16369 Rev 6
11/12
LET9150
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.
© 2010 STMicroelectronics - All rights reserved
STMicroelectronics group of companies
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com
12/12
Doc ID 16369 Rev 6