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 LF2805A
RF Power MOSFET Transistor 5W, 500-1000MHz, 28V
Features
M/A-COM Products Released; RoHS Compliant
Package Outline
* * * * * *
N-Channel enhancement mode device DMOS structure Lower capacitances for broadband operation Common source configuration Lower noise floor Applications Broadband linear operation 500 MHz to 1400 MHz
Parameter Symbol VDS VGS IDS PD TJ TSTG JC Rating 65 20 1.4 14.4 200 -65 to +150 12.1 Units V V A W C C C/W
LETTER DIM A MILLIMETERS MIN 20.70 14.35 13.72 6.27 6.22 6.22 1.14 2.92 1.40 1.96 3.61 .08 MAX 20.96 14.61 14.22 6.53 6.48 6.48 1.40 3.18 1.65 2.46 4.37 .15 INCHES MIN .815 .565 .540 .247 .245 .245 .045 .115 .055 .077 .142 .003 MAX .825 .575 .560 .257 .255 .255 .055 .125 .065 .097 .172 .006
ABSOLUTE MAXIMUM RATINGS AT 25 C
Drain-Source Voltage Gate-Source Voltage Drain-Source Current Power Dissipation Junction Temperature Storage Temperature Thermal Resistance
TYPICAL DEVICE IMPEDANCE
F (MHz) 500 1000 1400 ZIN () 4.3 - j29.0 2.2 - j2.75 2.8 - j3.0 ZLOAD () 27.3 +j28.6 8.0 + j16.0 9.4 + j10.6
B C D E F G H J K
VDD = 28V, IDQ = 50 mA, POUT = 5.0 W
ZIN is the series equivalent input impedance of the device from gate to source. ZLOAD is the optimum series equivalent load impedance as measured from drain to ground. ELECTRICAL CHARACTERISTICS AT 25C
Parameter Drain-Source Breakdown Voltage Drain-Source Leakage Current Gate-Source Leakage Current Gate Threshold Voltage Forward Transconductance Input Capacitance Output Capacitance Reverse Capacitance Power Gain Drain Efficiency Load Mismatch Tolerance Symbol BVDSS IDSS IGSS VGS(TH) GM CISS COSS CRSS GP D VSWR-T Min 65 2.0 80 10 50 Max 1.0 1.0 6.0 7 5 2.4 20:1 Units V mA A V mS pF pF pF dB % -
L M
Test Conditions VGS = 0.0 V , IDS = 2.0 mA VGS = 28.0 V , VGS = 0.0 V VGS = 20.0 V , VDS = 0.0 V VDS = 10.0 V , IDS = 10.0 mA VDS = 10.0 V , IDS 100.0 mA , VGS = 1.0V, 80 s Pulse VDS = 28.0 V , F = 1.0 MHz VDS = 28.0 V , F = 1.0 MHz VDS = 28.0 V , F = 1.0 MHz VDD = 28.0 V, IDQ = 50 mA, POUT = 5.0 W, F =1.0 GHz VDD = 28.0 V, IDQ = 50 mA, POUT = 5.0 W, F =1.0 GHz VDD = 28.0 V, IDQ = 50 mA, POUT = 5.0 W, F =1.0 GHz
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
LF2805A
RF Power MOSFET Transistor 5W, 500-1000MHz, 28V
Typical Broadband Performance Curves CAPACITANCES VS VOLTAGE F =1.0MHz
POWER OUTPUT (W) CISS COSS
M/A-COM Products Released; RoHS Compliant
POWER OUTPUT VS VOLTAGE F =1.0 GHz PIN=0.5 W IDQ=50 mA
7 6 CAPACITANCE (pF) 5 4 3 2 1 0 5
7 6 5 4 3 2 1 5
CRSS
10
15 VPS (v)
20
25
30
10
15
20 VDS (V)
25
30
35
20 15 GAIN (dB) 10 5 0 500
GAIN VS FREQUENCY VDD=28 V IDQ=50 mA POUT=5.0 W
55
EFFICIENCY VS FREQUENCY VDD =28 V IDQ =50.0 mA Pout =5.0 W
EFFICIENCY (%)
50
45
700 FREQUENCY (MHz)
1000
1400
40 500
750
1000 FREQUENCY (MHz)
1250
1400
POWER OUTPUT VS POWER INPUT VDD =28 V IDQ =50 mA
7 POWER OUTPUT (W) 6 5 4 3 2 1 0 0 0.05 0.2 0.4 0.6 0.8 1
500MHz 1000 MHz
1400 MHz
POWER INPUT (W)
2
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
LF2805A
RF Power MOSFET Transistor 5W, 500-1000MHz, 28V
TEST FIXTURE CIRCUIT DIMENSIONS
M/A-COM Products Released; RoHS Compliant
TEST FIXTURE ASSEMBLY
3
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.


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