August 2007 Rev 7 1/16
16
SD57060
RF power transistor
the LdmoST family
Features
■Excellent thermal stability
■Common source configuration
■POUT = 60W with 13dB gain @ 945MHz
■BeO free package
■In compliance with the 2002/95/EC european
directive
Description
The SD57060 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
1.0 GHz. The SD57060 is designed for high gain
and broadband performance operating in
common source mode at 28V. It is ideal for base
station applications requiring high linearity.
Figure 1. Pin connection
M243
Epoxy sealed
1. Drain
2. Gate
3. Source
1
3
2
www.st.com
Table 1. Device summary
Order code Package Branding
SD57060 M243 SD57060
Contents SD57060
2/16
Contents
1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 Common source s-parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1 SD57060 (VDS = 13.5V IDS = 2A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.2 SD57060 (VDS = 28V IDS = 2A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7 Text circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
SD57060 Electrical data
3/16
1 Electrical data
1.1 Maximum ratings
1.2 Thermal data
Table 2. Absolute maximum ratings (TCASE = 25°C)
Symbol Parameter Value Unit
V(BR)DSS Drain-source voltage 65 V
VGS Gate-source voltage ± 20 V
IDDrain current 7 A
PDISS Power dissipation (@ Tc = 70°C) 108 W
TJMax. operating junction temperature 200 °C
TSTG Storage temperature -65 to + 150 °C
Table 3. Thermal data
Symbol Parameter Value Unit
RthJC Junction - case thermal resistance 1.2 °C/W
Electrical characteristics SD57060
4/16
2 Electrical characteristics
TCASE = +25 oC
2.1 Static
2.2 Dynamic
Table 4. Static
Symbol Test conditions Min Typ Max Unit
V(BR)DSS VGS = 0 V IDS = 1 mA 65 V
IDSS VGS = 0 V VDS = 28 V 1 µA
IGSS VGS = 20 V VDS = 0 V 1 µA
VGS(Q) VDS = 28 V ID = 250 mA 2.0 5.0 V
VDS(ON) VGS = 10 V ID = 3 A 0.7 0.8 V
GFS VDS = 10 V ID = 3 A 2.5 S
CISS(1)
1. Includes Internal Input Moscap.
VGS = 0 V VDS = 28 V f = 1 MHz 88 pF
COSS VGS = 0 V VDS = 28 V f = 1 MHz 44 pF
CRSS VGS = 0 V VDS = 28 V f = 1 MHz 1.7 pF
Symbol Test conditions Min Typ Max Unit
POUT VDD = 28 V IDQ = 100 mA f = 945MHz 60 W
GPS VDD = 28 V IDQ = 100 mA POUT = 60 W f = 945MHz 13 15 dB
hDVDD = 28 V IDQ = 100 mA POUT = 60 W f = 945MHz 53 60 %
Load
mismatch
VDD = 28 V IDQ = 100 mA POUT = 60 W f = 945MHz
All phase angles 5:1 VSW
R
SD57060 Impedance
5/16
3 Impedance
Figure 2. Current conventions
Table 5. Impedance data
Freq. (MHz) ZIN (Ω)Z
DL(Ω)
925 MHz 0.8 - j 0.095 1.5 + j 0.48
945 MHz 0.7 - j 0.05 1.6 + j 0.25
960 MHz 0.7 + j 0.1 1.7 + j 0.130
Typical performance SD57060
6/16
4 Typical performance
Figure 3. Output power and power gain vs
input power
Figure 4. Output power and power gain vs
input power
Figure 5. Efficiency vs output power Figure 6. Efficiency vs output power
01234
Pin (W)
0
10
20
30
40
50
60
70
80
Pout (W)
12
13
14
15
16
Pgain (dB)
VDD = 28 V
f = 945 MHz
IDQ = 100mA
GPPOUT
0 0.5 1 1.5 2 2.5 3
Pin (W)
0
10
20
30
40
50
60
70
80
Pout (W)
10
11
12
13
14
15
16
17
18
Gain (dB)
Gain
Pout
Vdd= 32V
f= 945MHz
Idq= 100mA
0 1020304050607080
Pout (W)
0
10
20
30
40
50
60
70
Nc (%)
f = 945 MHz
VDD = 28 V
IDQ = 100 mA
0 1020304050607080
Output Power (W)
0
10
20
30
40
50
60
70
Efficiency (%)
f = 945 MHz
VDD = 32 V
IDQ = 100 mA
SD57060 Typical performance
7/16
Figure 7. Output power vs drain-source
voltage
Figure 8. Intermodulation distortion vs
output power
Figure 9. Power gain vs output power Figure 10. Safe operating area
10 15 20 25 30 35
Drain-Source Voltage (V)
0
10
20
30
40
50
60
70
80
90
Pout (W)
IDQ = 100 mA
f = 1945 MHz
Pin = 3 W
Pin = 2 W
Pin = 1 W
1 10 100
Pout, PEP (W)
-55
-50
-45
-40
-35
-30
-25
-20
-15
IMD3 (-dBc)
f1 = 945 MHz
f2 = 945.1 MHz
VDD = 28 V
IDQ = 100 mA
IDQ = 250 mA
IDQ = 400 mA
0 40 80 120 160 200
Pout, OUTPUT POWER (W)
24
25
26
27
28
29
30
PG, POWER GAIN (dB)
f = 30 MHz
VDD = 50 V
IDQ = 250 mA
1 10 100
Vds, Drain Source Voltage (V)
1
10
Id, Drain Current (A)
Tj=200°C
Tc=100°C
Tc=70°C
Typical performance SD57060
8/16
Figure 11. Capacitance vs drain-source
voltage
0 1020304050
Drain-Source Voltage (V)
1
10
100
1000
Capacitance (pF)
f = 1MHz
Ciss
Coss
Crss
SD57060 Common source s-parameter
9/16
5 Common source s-parameter
5.1 SD57060 (VDS = 13.5V IDS = 2A)
Table 6. S-parameter
Freq
(MHz) s11 MAG s11 ang s21 MAG s21 ang s12 MAG s12 ang s22 MAG s22 ang
50 0.896 -168.86 15.679 85.012 0.0116 -5.1128 0.796 -170.27
60 0.896 -169.3 14.859 84.592 0.0116 -5.4369 0.796 -170.49
70 0.869 -169.76 14.004 84.14 0.0116 -5.7912 0.797 -170.7
80 0.869 -170.23 13.122 83.644 0.0115 -60658 0.797 -170.9
90 0.897 -170.71 12.213 83.074 0.0115 -6.3789 0.798 -171.1
100 0.897 -171.19 11.285 82.404 0.0114 -6.8198 0.799 -171.29
150 0.9 -173.39 6.9575 76.841 0.0111 -9.6817 0.808 -171.96
200 0.905 -174.29 4.751 71.951 0.0103 -11.87 0.821 -171.79
250 0.912 -174.64 3.637 68.471 0.0097 -12.957 0.836 -171.36
300 0.92 .-174.9 2.889 64.839 0.0089 -13.493 0.851 -171.03
350 0.927 -175.08 2.428 62.538 0.0083 -11.937 0.866 -170.76
400 0.934 -175.3 2.077 58.748 0.0077 -11.228 0.881 -170.6
450 0.941 -175.5 1.802 56.081 0.0071 -8.7753 0.894 -170.49
500 0.947 -175.73 1.592 51.84 0.0066 -7.5009 0.907 -170.47
550 0.952 -176.02 1.379 48.632 0.0059 -4.8834 0.917 -170.55
600 0.956 -176.29 1.221 45.777 0.0053 0.12909 0.927 -170.67
650 0.96 -176.6 1.049 42.778 0.0048 5.0249 0.936 -170.82
700 0.962 -176.9 0.924 42.212 0.0043 13.591 0.943 -170.94
750 0.965 -177.22 0.814 40.376 0.0039 22.729 0.95 -171.05
800 0.968 177.51 0.723 41.348 0.0036 37.954 0.956 -171.14
850 0.97 -177.83 0.662 40.788 0.0037 51.305 0.961 -171.16
900 0.972 -178.19 0.6 41.719 0.0041 63.188 0.966 -171.24
950 0.974 -178.56 0.566 41.469 0.0047 73.463 0.971 -171.24
1000 0.975 -178.96 0.523 41.747 0.0055 80.707 0.974 -171.25
1050 0.976 -179.28 0.504 41.439 0.0064 88.27 0.977 -171.26
1100 0.978 -179.62 0.477 40.692 0.0074 92.504 0.979 -171.36
1150 0.979 -179.85 0.466 39.239 0.0084 96.743 0.981 -171.43
1200 0.981 179.9 0.444 36.775 0.0097 98.282 0.982 171.5
1250 0.982 179.68 0.431 34.788 0.011 99.121 0.983 -171.58
1300 0.983 179.52 0.408 31.862 0.0125 98.773 0.983 -171.71
1350 0.984 179.35 0.395 30.219 0.0136 97.973 0.983 -171.86
1400 0.985 179.24 0.382 26.465 0.0148 97.464 0.984 -171.94
1450 0.987 179.13 0.365 23.869 0.0157 95.39 0.984 -171.98
1500 0.988 179.09 0.351 21.267 0.0165 93.871 0.985 -171.98
Common source s-parameter SD57060
10/16
5.2 SD57060 (VDS = 28V IDS = 2A)
Table 7. S-parameter
Freq
(MHz) s11 MAG s11 ang s21 MAG s21 ang s12 MAG s12 ang s22 MAG s22 ang
50 0.857 -159.69 22.757 85.934 0.0114 -3.8342 0.67 -161.72
60 0.86 -160.69 21.547 85.328 0.0113 -4.4852 0.672 -162.07
70 0.862 -161.73 20.287 84.672 0.0112 -5.1512 0.674 -162.41
80 0.865 -162.8 18.987 83.933 0.0111 -5.8379 0.677 -162.74
90 0.869 -163.89 17.65 83.083 0.011 -6.5533 0.679 -163.07
100 0.872 -164.98 16.286 82.083 0.011 -7.4226 0.683 -163.39
150 0.891 -169.66 9.9447 74.03 0.0103 -12.13 0.708 -164.66
200 0.905 -171.43 6.719 67.256 0.0094 -15.548 0.74 -164.87
250 0.915 -172.29 5.074 62.268 0.0086 -17.236 0.774 -164.99
300 0.926 -172.84 3.978 57.533 0.0077 -18.625 0.806 -163.35
350 0.935 -173.34 3.297 54.035 0.0069 -17.313 0.834 -165.82
400 0.943 -173.79 2.775 49.488 0.0061 -16.81 0.86 -166.35
450 0.951 -174.24 2.376 46.121 0.0054 -13.006 0.881 -166.85
500 0.957 -174.67 2.061 41.541 0.0048 -9.175 0.898 -167.35
550 0.962 -175.11 1.766 38.23 0.0041 -2.5323 0.913 -167.83
600 0.966 -175.53 1.546 35.173 0.0035 -7.641 0.925 -168.25
650 0.969 -175.95 1.32 32.548 0.0031 19.501 0.937 -168.57
700 0.972 -176.34 1.162 31.674 0.0031 34.423 0.946 -168.81
750 0.974 -176.75 1.021 29.983 0.0032 48.345 0.954 -168.93
800 0.976 -177.15 0.91 30.341 0.0035 62.927 0.96 -168.98
850 0.977 -177.57 0.826 29.318 0.004 74.982 0.967 -168.95
900 0.978 -177.98 0.749 29.508 0.0047 81.962 0.973 -168.88
950 0.979 -178.41 0.696 28.477 0.0054 87.332 0.978 -168.77
1000 0.979 -178.85 0.639 27.949 0.0063 90.913 0.982 -168.72
1050 0.98 -179.24 0.601 26.768 0.0072 95.707 0.984 -168.75
1100 0.981 -179.61 0.561 25.598 0.0082 98.95 0.985 -168.87
1150 0.981 -179.95 0.533 23.746 0.0094 101.25 0.986 -169.13
1200 0.982 179.72 0.498 21.331 0.011 102.03 0.985 -169.64
1250 0.983 179.44 0.472 19.005 0.012 102.21 0.981 -170.42
1300 0.984 179.23 0.44 16.272 0.0131 101.78 0.976 -171.5
1350 0.985 179.02 0.417 14.424 0.0143 100.61 0.969 -172.89
1400 0.986 178.85 0.394 11.161 0.0156 99.505 0.96 -174.72
1450 0.986 178.7 0.372 8.789 0.0163 97.699 0.949 -176.87
1500 0.986 178.6 0.354 6.5533 0.0168 96.68 0.94 -178.58
SD57060 Test circuit
11/16
6 Test circuit
Figure 12. Test circuit schematic
1 Dimensions at component symbols are reference for component placement.
2 Gap between ground & transmission line = 0.056 [1.42] +0.002 [0.05] -0.000 [0.00] typ.
3 Dimensions of input and output component from edge of transmission lines.
Ref. 7143566A
Test circuit SD57060
12/16
Table 8. Test circuit component part list
Component Description
L1 INDUCTOR, 5 TURNS AIR WOUND #18 AWG, ID = 0.125 [3.18] NYLON
COATED MAGNET WIRE
FB1 SHIELD BEAD SURFACE MOUNT EMI
R1 1 K Ohm, SURFACE MOUNT CHIP RESISTOR
R2 18 K Ohm, SURFACE MOUNT CHIP RESISTOR
R3 10 K Ohm, SURFACE MOUNT CHIP RESISTOR
C1 36 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C2,C8 0.8-8.0 pF GIGA TRIM VARIABLE CAPACITOR
C3 4.7 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C4 11 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C5 1.3 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C6 7.5 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C7 8.2 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C9 100 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C10,C14 47 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C11,C15 10000 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR
C12,C16 0.1 µF / 500 V SURFACE MOUNT CERAMIC CHIP CAPACITOR
C13,C17 10 µF / 50 V ALUMINIUM ELECTROLITIC RADIAL LEAD CAPACITOR
C18 220 µF / 63 V V ALUMINIUM ELECTROLITIC RADIAL LEAD CAPACITOR
PCB ULTRALAM 2000, WOVEN FIBERGLASS REINFORCED PTFE.
0.030” THK, εr= 2.55, 2 OZ ED CU BOTH SIDES
SD57060 Text circuit layout
13/16
7 Text circuit layout
Figure 13. Test fixture
Figure 14. Test circuit photomaster
Ref. 7143566A
6.4 inches
4 inches
Ref. 7143566A
Package mechanical data SD57060
14/16
8 Package mechanical data
Figure 15. Package dimensions
Table 9. M243 (.230 x .360 2L N/HERM W/FLG) mechanical data
Dim. mm. Inch
Min Typ Max Min Typ Max
A 5.21 5.72 0.205 0.225
B 5.46 6.48 0.215 0.255
C 5.59 6.10 0.220 0.240
D 14.27 0.562
E 20.07 20.57 0.790 0.810
F 8.89 9.40 0.350 0.370
G 0.10 0.15 0.004 0.006
H 3.18 4.45 0.125 0.175
I 1.83 2.24 0.072 0.088
J 1.27 1.78 0.050 0.070
Controlling dimension: Inches 1022142E
SD57060 Revision history
15/16
9 Revision history
Table 10. Document revision history
Date Revision Changes
24-Mar-2003 5 First Issue.
23-Jul-2007 6 Document reformatted, added lead free info
24-Aug-2007 7 Cover page title updated
SD57060
16/16
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