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PD84008L-E
RF power transistor, LdmoST plastic family N-channel enhancement-mode lateral MOSFETs
Preliminary Data
Features

Excellent thermal stability Common source configuration POUT = 8 W with 13 dB gain @ 870 MHz / 7.5 V Plastic package ESD protection In compliance with the 2002/95/EC european directive
PowerFLATTM (5 mm x 5 mm)
Description
The is a common source N-channel, enhancement-mode lateral Field-Effect RF power transistor. It is designed for high gain, broadband commercial and industrial applications. It operates at 7.5 V in common source mode at frequencies of up to 1 GHz. boasts the excellent gain, linearity and reliability of ST's latest LDMOS technology mounted in leadless SMD plastic RF power package , PowerFLATTM. Figure 1. Pin connection
Table 1.
Device summary
Marking 84008 Package PowerFLATTM Packing Tape and reel
Order code PD84008L-E
March 2008
Rev 2
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www.st.com 14
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Contents
PD84008L-E
Contents
1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 1.2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 2.3 2.4 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ESD protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Moisture sensitivity level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 4 5 6
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
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PD84008L-E
Electrical data
1
1.1
Electrical data
Maximum ratings
Table 2.
Symbol V(BR)DSS VGS ID PDISS TJ TSTG
Absolute maximum ratings (TCASE = 25C)
Parameter Drain-source voltage Gate-source voltage Drain current Power dissipation (@ TC = 70 C) Max. operating junction temperature Storage temperature Value 25 -0.5 to +15 7 26.7 150 -65 to +150 Unit V V A W C C
1.2
Thermal data
Table 3.
Symbol RthJC
Thermal data
Parameter Junction - case thermal resistance Value 3 Unit C/W
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Electrical characteristics
PD84008L-E
2
Electrical characteristics
TCASE = +25 oC
2.1
Static
Table 4.
Symbol IDSS IGSS VGS(Q) VDS(ON) CISS COSS CRSS VGS = 0 V VGS = 5 V VDS = 10 V VGS = 10 V VGS = 0 V VGS = 0 V VGS = 0 V
Static
Test conditions VDS = 25 V VDS = 0 V ID = 250mA ID = 1 A VDS = 7 V VDS = 7 V VDS = 7 V f = 1 MHz f = 1 MHz f = 1 MHz 4 0.27 57 46 2 0.31 Min Typ Max 1 1 Unit A A V V pF pF pF
2.2
Dynamic
Table 5.
Symbol P3dB GP hD
Dynamic
Test conditions VDD = 7.5 V, IDQ = 250 mA f = 870 MHz Min 8 13 50 20:1 Typ 9 15.5 57 Max Unit W dB % VSWR
VDD = 7.5 V, IDQ = 250 mA, POUT = 2 W, f = 870 MHz VDD = 7.5 V, IDQ = 250 mA, POUT = P3dB, f = 870 MHz
Load VDD = 9.5 V, IDQ = 250 mA, POUT = 10 W, f = 870 MHz mismatch All phase angles
2.3
ESD protection characteristics
Table 6. ESD protection characteristics
Test conditions Human body model Machine model Class 2 M3
2.4
Moisture sensitivity level
Table 7. Moisture sensitivity level
Test methodology J-STD-020B Rating MSL 3
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PD84008L-E
Impedance
3
Impedance
Figure 2. Current conventions
Table 8.
Impedance data
Freq. (MHz) 870 MHz ZIN () TBD ZDL() TBD
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Typical performance
PD84008L-E
4
Figure 3.
Typical performance
Capacitances vs drain voltage
120 100 Capacitances (pF) 80 60 40 20 0 0 Coss Crss 10 Cis s 20 VDS (V ) 30 40 50
Figure 4.
6
DC output characteristics
p
Figure 5.
6
DC output characteristics
Tamb = + 20 C
Tamb = - 40 C
5
5
4
4
ID[A]
3
ID[A]
3
2
2
1
1
0
0
5
VD S[V]
10 Vgs = 4.5V Vgs = 5.5V
0 0 5 V D S[ V ] 10
Vgs = 4.0V Vgs = 5.0V Vgs = 6.0V
Vgs = 4.0V Vgs = 5.0V Vgs = 6.0V
Vgs = 4.5V Vgs = 5.5V
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PD84008L-E Figure 6.
6
Typical performance DC output characteristics Figure 7. Output Power and drain current vs gate voltage
3.2 Freq = 870 MHz Pin = 0.4W Idq = 300mA 2.8 2.4 2 1.6 1.2 0.8 Pout Id 0.4 0 0 1 2 6
Tamb = + 60 C
5
32 28 24
Pout (W)
20 16 12 8 4
4
ID[A]
3
2
0
Vgs (V)
3
4
5
1
0 0 2 4 6 V D S[ V ] 8 10 12
Vgs = 4.0V Vgs = 5.0V Vgs = 6.0V
Vgs = 4.5V Vgs = 5.5V
Figure 8.
24
Output power vs supply voltage and input power
Pin = 32 dBm Pin = 26 dBm Pin = 29 dBm Pin = 23 dBm
Figure 9.
18 17 16 15
Gain and efficiency vs output power
y
p
70 60
Id (A)
p
20
16 Pout (W)
Freq = 870 MHz Idq = 300 mA
Gain (dB)
14 13
50
12
11 10 9 8 30
8
4
7 6
Freq = 870 MHz Vdd = 7.5V Idq = 250 mA PD84008L_GAIN PD84008L_EFFICIENCY
0 2 4 6 Pout (W) 8 10 12
20
10
0 4 5 6 7 8 9 10 11 12 13 Vdd (V)
5 4
0
Eff (%)
12
40
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Typical performance Figure 10. Gain vs output power and bias current p
18 17 16 15 14 13 Gain (dB) 12 11 10 9 8 7 6 5 4
PD84008L-E
Vdd = 7.5V Freq = 870 MHz
Idq = 250 mA Idq = 350 mA
0 2 4
Idq =100 mA Idq = 500 mA
6
Pout (W)
8
10
12
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PD84008L-E
Package mechanical data
5
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com
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Package mechanical data
PD84008L-E
Table 9.
Dim.
PowerFLATTM (5x5) mechanical data
mm Min Typ 0.90 0.02 0.24 0.15 0.43 0.64 0.25 0.51 0.71 5.00 0.30 5.00 2.49 2.57 1.27 3.37 0.74 0.21 2.64 0.098 0.35 0.58 0.79 0.006 0.017 0.025 Max 1.00 0.05 Min inch Typ 0.035 0.001 0.009 0.01 0.020 0.028 0.197 0.011 0.197 0.101 0.050 0.132 0.03 0.008 0.104 0.014 0.023 0.031 Max 0.039 0.002
A A1 A3 AA b c D d E E2 e f g h
Figure 11. PowerFLATTM (5x5) package dimensions
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PD84008L-E
Package mechanical data
Table 10.
Tape and reel dimensions
Mm
Dim. Min Ao Bo Ko 5.15 5.15 1.0 Typ 5.25 5.25 1.1 Max 5.35 5.35 1.2
Figure 12. Tape and reel dimensions
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Package mechanical data Figure 13. PowerFLATTM (5x5) recommended footprint
PD84008L-E
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PD84008L-E
Revision history
6
Revision history
Table 11.
Date 05-Dec-2007 05-Mar-2008
Document revision history
Revision 1 2 Initial release. Updated Table 4 on page 4 Changes
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PD84008L-E
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