ADPOW ARF520

ARF520
D
APT
G
RF POWER MOSFET
S
N - CHANNEL ENHANCEMENT MODE
165 V 150 W 100 MHz
The ARF520 is an RF power transistor designed for high voltage operation in narrow band ISM and MRI power
amplifiers up to 100 MHz.
• Specified 125 Volt, 81 MHz Characteristics:
•
Output Power = 150 Watts.
•
Gain = 13dB (Class AB)
•
Efficiency = 50%
• High Voltage Breakdown and Large SOA
for Superior Ruggedness.
• Industry standard package
• Low Vth thermal coefficient
MAXIMUM RATINGS
Symbol
VDSS
ID
All Ratings: TC = 25°C unless otherwise specified.
Parameter
ARF520
UNIT
Drain-Source Voltage
500
Volts
Continuous Drain Current @ TC = 25°C
10
Amps
VGS
Gate-Source Voltage
±30
Volts
PD
Total Device Dissipation @ TC = 25°C
250
Watts
TJ,TSTG
TL
-55 to 200
Operating and Storage Junction Temperature Range
°C
300
Lead Temperature: 0.063" from Case for 10 Sec.
STATIC ELECTRICAL CHARACTERISTICS
Symbol
Characteristic / Test Conditions
MIN
BVDSS
Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 µA)
500
VDS(ON)
On State Drain Voltage
IDSS
IGSS
1
TYP
MAX
4
(I D(ON) = 5A, VGS = 10V)
Zero Gate Voltage Drain Current (VDS = VDSS, VGS = 0V)
25
Zero Gate Voltage Drain Current (VDS = 50V, VGS = 0, TC = 125°C)
250
±100
Gate-Source Leakage Current (VGS = ±30V, VDS = 0V)
gfs
Forward Transconductance (VDS = 25V, ID = 5A)
4
VGS(TH)
Gate Threshold Voltage (VDS = VGS, ID = 50mA)
3
6
UNIT
Volts
µA
nA
mhos
5
Volts
MAX
UNIT
THERMAL CHARACTERISTICS
MIN
RθJC
Junction to Case
RθCS
Case to Sink (Use High Efficiency Thermal Joint Compound and Planar Heat Sink Surface.)
TYP
0.7
0.1
CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed.
APT Website - http://www.advancedpower.com
°C/W
6-2003
Characteristic
050-5930 Rev A
Symbol
DYNAMIC CHARACTERISTICS
Symbol
ARF520
Characteristic
Test Conditions
MIN
TYP
MAX
Ciss
Input Capacitance
VGS = 0V
800
1200
Coss
Output Capacitance
VDS = 50V
140
200
Crss
Reverse Transfer Capacitance
f = 1 MHz
9
12
td(on)
Turn-on Delay Time
VGS = 15V
5.1
10
VDD = 0.5 VDSS
4.1
8
ID = ID[Cont.] @ 25°C
12.8
20
RG = 1.6 Ω
4.0
8
MAX
tr
Rise Time
td(off)
Turn-off Delay Time
tf
Fall Time
FUNCTIONAL CHARACTERISTICS
Symbol
pF
ns
(Push-Pull Configuration)
Characteristic
GPS
UNIT
Common Source Amplifier Power Gain
η
Drain Efficiency
ψ
Electrical Ruggedness VSWR 5:1
Test Conditions
MIN
TYP
f = 81MHz
13
14
dB
50
55
%
Idq = 50mA
VDD = 125V
UNIT
No Degradation in Output Power
Pout = 150W
1 Pulse Test: Pulse width < 380 µS, Duty Cycle < 2%.
APT Reserves the right to change, without notice, the specifications and information contained herein.
24
3000
Class AB
VDD = 125V
22
1000
CAPACITANCE (pf)
20
GAIN (dB)
Ciss
Pout = 150W
18
16
14
12
500
Coss
100
50
10
Crss
0
10
.1
.5
1
5 10
50
VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS)
Figure 2, Typical Capacitance vs. Drain-to-Source Voltage
25
50
75
100
125
150
FREQUENCY (MHz)
Figure 1, Typical Gain vs. Frequency
10
40
VDS> ID (ON) x RDS (ON)MAX.
250µSEC. PULSE TEST
@ <0.5 % DUTY CYCLE
TJ = -55°C
8
6
4
2
0
0
TJ = +25°C
TJ = +125°C
100us
ID, DRAIN CURRENT (AMPERES)
ID, DRAIN CURRENT (AMPERES)
050-5930 Rev A
6-2003
12
OPERATION HERE
LIMITED BY RDS (ON)
10
1ms
5
10ms
1
TC =+25°C
TJ =+200°C
SINGLE PULSE
.5
1
2
3
4
5
6
VGS, GATE-TO-SOURCE VOLTAGE (VOLTS)
Figure 3, Typical Transfer Characteristics
1
5 10
50 100
500
VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS)
Figure 4, Typical Maximum Safe Operating Area
100ms
DC
ARF520
25
ID, DRAIN CURRENT (AMPERES)
VGS(th), THRESHOLD VOLTAGE
(NORMALIZED)
1.2
1.0
0.8
0.6
0.4
0.2
20
VGS=15 & 10V
8V
15
6V
5.5V
10
5V
5
4.5V
4V
0.0
-50
0
-25
0
25
50
75 100 125 150
TC, CASE TEMPERATURE (°C)
Figure 5, Typical Threshold Voltage vs Temperature
0
5
10
15
20
25
30
VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS)
Figure 6, Typical Output Characteristics
D=0.5
0.2
0.10
0.05
0.1
0.05
Note:
0.02
0.01
PDM
0.01
SINGLE PULSE
t1
0.005
t2
Duty Factor D = t1/t2
Peak TJ = PDM x ZθJC + TC
10-4
10-3
10-2
10-1
1.0
RECTANGULAR PULSE DURATION (SECONDS)
Figure 7, Maximum Effective Transient Thermal Impedance, Junction-to-Case vs. Pulse Duration
10
Table 1 - Typical Class AB Large Signal Input - Output Impedance
Freq. (MHz)
2.0
13.5
27
40
65
80
100
Zin (Ω)
ZOL (Ω)
24 - j 4.5
8.3 - j 11.6
2.5 - j 7.1
1.0 - j 4.2
.30 - j 1.1
.25 + j 0.3
.35 + j 1.6
55 - j 4
45 - j 22
28.7 - j 28
17.9 - j 26
9.0 - j 20.6
5.8 - j 17
4 - j 14.2
Idq = 50mA
Zin - Gate shunted with 25Ω
ZOL - Conjugate of optimum load for 150 Watts output at Vdd = 125V
6-2003
0.001
10-5
050-5930 Rev A
Z JC, THERMAL IMPEDANCE (°C/W)
θ
0.70
ARF520
L4
C12
R1
C9
Bias
0 - 12V
C13
C11
C10
L3
C8
RF
Input
+125V
R2
C7
R3
C2
RF
Output
L2
L1
C6
TL1
DUT
C1
C3
C5
C4
C1 - Arco 406 Mica trimmer
C2 - 220pF Semco metal clad
C3 - Arco 464 Mica trimmer
C4 - 820 pF ATC 700B
C5- 1000 pF ATC 700B
C6 - Arco 463 Mica trimmer
C7-C10 10nF 500V chip
C11-C13 1nF NPO 500V
TL1 - .23" x 1.5" stripline
L1 -- 2t #18 .3" ID .2"L ~50nH
L2 -- 3t #16 AWG .31" ID .3"L ~65nH
L3 -- 10t #22 AWG .25 ID ~470nH
L4 -- VK200-4B ferrite choke ~3uH
R1-R3 -- 1k Ohm 1/4W Carbon
DUT = ARF520
81.36 MHz Test Circuit
Gate Bias
Vdd Power
ARF520 Test Fixture
4-17-02 rf
HAZARDOUS MATERIAL WARNING
.5" SOE Package Outine
A
U
The ceramic portion of the device between
leads and mounting surface is beryllium oxide,
BeO. Beryllium oxide dust is toxic when inhaled. Care must be taken during handling
and mounting to avoid damage to this area .
These devices must never be thrown away
with general industrial or domestic waste.
M
1
M
Q
4
R
2
B
PIN 1.
2.
3.
4.
SOURCE
GATE
SOURCE
DRAIN
3
D
050-5930 Rev A
6-2003
K
J
H
DIM
A
B
C
D
E
H
J
K
M
Q
R
U
INCHES
MILLIMETERS
MIN
MAX
MIN
MAX
0.960
0.990
24.39
25.14
0.465
0.510
11.82
12.95
0.229
0.275
5.82
6.98
0.216
0.235
5.49
5.96
0.084
0.110
2.14
2.79
0.144
0.178
3.66
4.52
0.003
0.007
0.08
0.17
0.435
11.0
45˚ NOM
45˚ NOM
0.115
0.130
2.93
3.30
0.246
0.255
6.25
6.47
0.720
0.730
18.29
18.54
Controlling Dimension: INCH.
C
E
Seating Plane
APT’s products are covered by one or more of U.S.patents 4,895,810 5,045,903 5,089,434 5,182,234 5,019,522
5,262,336 6,503,786 5,256,583 4,748,103 5,283,202 5,231,474 5,434,095 5,528,058 and foreign patents. US and Foreign patents pending. All Rights Reserved.