Freescale Semiconductor
Technical Data
Document Number: MRF7S21170H
Rev. 5, 4/2008
RF Power Field Effect Transistors
N - Channel Enhancement - Mode Lateral MOSFETs
Designed for CDMA base station applications with frequencies from 2110 to
2170 MHz. Suitable for CDMA and multicarrier amplifier applications. To be
used in Class AB and Class C for PCN - PCS/cellular radio and WLL
applications.
•
Typical Single - Carrier W - CDMA Performance: V
DD
= 28 Volts, I
DQ
=
1400 mA, P
out
= 50 Watts Avg., Full Frequency Band, 3GPP Test Model 1,
64 DPCH with 50% Clipping, Channel Bandwidth = 3.84 MHz, Input Signal
PAR = 7.5 dB @ 0.01% Probability on CCDF.
Power Gain — 16 dB
Drain Efficiency — 31%
Device Output Signal PAR — 6.1 dB @ 0.01% Probability on CCDF
ACPR @ 5 MHz Offset — - 37 dBc in 3.84 MHz Channel Bandwidth
•
Capable of Handling 5:1 VSWR, @ 32 Vdc, 2140 MHz, 170 Watts CW
Output Power
•
P
out
@ 1 dB Compression Point
w
170 Watts CW
Features
•
100% PAR Tested for Guaranteed Output Power Capability
•
Characterized with Series Equivalent Large - Signal Impedance Parameters
•
Internally Matched for Ease of Use
•
Integrated ESD Protection
•
Greater Negative Gate - Source Voltage Range for Improved Class C
Operation
•
Optimized for Doherty Applications
•
RoHS Compliant
•
In Tape and Reel. R3 Suffix = 250 Units per 56 mm, 13 inch Reel.
MRF7S21170HR3
MRF7S21170HSR3
2110 - 2170 MHz, 50 W AVG., 28 V
SINGLE W - CDMA
LATERAL N - CHANNEL
RF POWER MOSFETs
CASE 465B - 03, STYLE 1
NI - 880
MRF7S21170HR3
CASE 465C - 02, STYLE 1
NI - 880S
MRF7S21170HSR3
Table 1. Maximum Ratings
Rating
Drain - Source Voltage
Gate - Source Voltage
Operating Voltage
Storage Temperature Range
Case Operating Temperature
Operating Junction Temperature
(1,2)
Symbol
V
DSS
V
GS
V
DD
T
stg
T
C
T
J
Value
- 0.5, +65
- 6.0, +10
32, +0
- 65 to +150
150
225
Unit
Vdc
Vdc
Vdc
°C
°C
°C
Table 2. Thermal Characteristics
Characteristic
Thermal Resistance, Junction to Case
Case Temperature 80°C, 170 W CW
Case Temperature 73°C, 25 W CW
Symbol
R
θJC
Value
(2,3)
0.31
0.36
Unit
°C/W
1. Continuous use at maximum temperature will affect MTTF.
2. MTTF calculator available at http://www.freescale.com/rf. Select Software & Tools/Development Tools/Calculators to access
MTTF calculators by product.
3. Refer to AN1955,
Thermal Measurement Methodology of RF Power Amplifiers.
Go to http://www.freescale.com/rf.
Select Documentation/Application Notes - AN1955.
©
Freescale Semiconductor, Inc., 2006-2008. All rights reserved.
MRF7S21170HR3 MRF7S21170HSR3
1
RF Device Data
Freescale Semiconductor
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