PTRA094808NF
Thermally-Enhanced High Power RF LDMOS FET
480 W, 48 V, 859 – 960 MHz
Description
The PTRA094808NF is a 480-watt LDMOS FET intended for use in
multi-standard cellular power amplifier applications in the 859 to 960
MHz frequency band. Features include input and output matching,
high gain and thermally-enhanced package with earless flange.
Manufactured with Wolfspeed's advanced LDMOS process, this device
provides excellent thermal performance and superior reliability.
PTRA094808NF
Package PG-HBSOF-6-2
Single-carrier WCDMA Drive-up
V
DD
= 48 V, I
DQ(MAIN)
= 450 mA,
V
GS(PEAK)
= 2.05 V,
ƒ = 895 MHz,
3GPP WCDMA signal, PAR = 10 dB,
3.84 MHz BW
Efficiency
Features
•
Broadband internal input and output matching
•
Asymmetrical design
- Main: P
1dB
= 210 W Typ
- Peak: P
1dB
= 340 W Typ
•
Typical Pulsed CW performance, 896 MHz, 48 V,
Doherty configuration
- Output power at P
1dB
= 300 W
Output power at P
3dB
= 420 W
- Efficiency = 53%
- Gain = 17.5 dB
•
Capable of handling 10:1 VSWR @ 48 V, 100 W
(CW) output power
•
Integrated ESD protection
•
Human Body Model class 1C (per ANSI/ESDA/
JEDEC JS-001)
•
Low thermal resistance
•
Pb-free and RoHS compliant
24
60
40
Peak/Average Ratio, Gain (dB)
20
16
12
8
4
0
PAR @ 0.01% CCDF
Gain
0
-20
-40
ptra094808nf_g1
25
30
35
40
45
50
55
-60
Average Output Power (dBm)
RF Characteristics
Single-carrier WCDMA Specifications
(tested in Wolfspeed Doherty production test fixture)
V
DD
= 48 V, I
DQ
= 450 mA, V
GS(PEAK)
= 2.05 V, P
OUT
= 87 W avg, ƒ = 895 MHz, 3GPP signal, channel bandwidth = 3.84 MHz,
peak/average = 10 dB @ 0.01% CCDF
Characteristic
Linear Gain
Drain Efficiency
Adjacent Channel Power Ratio
Output PAR@0.01% CCDF
All published data at T
CASE
= 25°C unless otherwise indicated
Efficiency (%)
20
Symbol
G
ps
Min
16.5
48.5
—
7.1
Typ
17.5
52.5
–30.5
7.5
Max
—
—
–26.5
—
Unit
dB
%
dBc
dB
h
D
ACPR
OPAR
ESD: Electrostatic discharge sensitive device—observe handling precautions!
Rev. 05, 2018-06-20
4600 Silicon Drive | Durham, NC 27703 | www.wolfspeed.com
PTRA094808NF
DC Characteristics
(each side)
Characteristic
Drain-Source Breakdown Voltage
Drain Leakage Current
2
Conditions
V
GS
= 0 V, I
DS
= 10 mA
V
DS
= 48 V, V
GS
= 0 V
V
DS
= 105 V, V
GS
= 0 V
Symbol
V
(BR)DSS
I
DSS
I
DSS
I
GSS
R
DS(on)
R
DS(on)
V
GS
V
GS
Min
105
—
—
—
—
—
3
—
Typ
—
—
—
—
0.08
0.05
3.5
2.05
Max
—
1
10
1
—
—
4
—
Unit
V
µA
µA
µA
Gate Leakage Current
On-State Resistance
(Main)
(Peak)
Operating Gate Voltage (Main)
(Peak)
V
GS
= 14 V, V
DS
= 0 V
V
GS
= 10 V, V
DS
= 0.1 V
V
GS
= 10 V, V
DS
= 0.1 V
V
DS
= 48 V, I
DQ
= 0.45 A
V
DS
= 48 V, I
DQ
= 0 A
W
W
V
V
Maximum Ratings
Parameter
Drain-Source Voltage
Gate-Source Voltage
Operating Voltage
Junction Temperature
Storage Temperature Range
Symbol
V
DSS
V
GS
V
DD
T
J
T
STG
Value
105
–6 to +12
0 to +55
225
–65 to +150
Unit
V
V
V
°C
°C
Thermal Characteristics
Parameter
Thermal Resistance (Main, T
CASE
= 70°C, 87.1 W CW)
Symbol
R
qJC
Value
0.51
Unit
°C/W
Ordering Information
Type and Version
PTRA094808NF V1 R5
Order Code
PTRA094808NF-V1-R5
Package Description
PG-HBSOF-6-2
Shipping
Tape & Reel, 500 pcs
Rev. 05, 2018-06-20
4600 Silicon Drive | Durham, NC 27703 | www.wolfspeed.com
PTRA094808NF
Typical RF Performance
(data taken in production test fixture)
Single-carrier WCDMA Drive-up
V
DD
= 48 V, I
DQ(MAIN)
= 450 mA,
V
GS(PEAK)
= 2.05 V,
ƒ = 895MHz,
3GPP WCDMA signal, PAR = 10 dB,
BW = 3.84 MHz
3
Single-carrier WCDMA Broadband
Performance
V
DD
= 48 V, I
DQ(MAIN)
= 450 mA,
V
GS(PEAK)
= 2.05 V, P
OUT
= 49.4 dBm,
3GPP WCDMA signal, PAR = 10 dB
-10
-20
-30
-40
-50
-60
-70
60
50
18
60
ACP Up & Low (dBc)
Efficiency (%)
Gain (dB)
40
30
20
ACPU
ACPL
Efficiency
Gain
14
50
12
10
0
10
Efficiency
45
25
30
35
40
45
50
ptra094808nf_g2
55
750
800
850
900
950
ptra094808nf_g3
40
1000
Average Output Power (dBm)
Frequency (MHz)
Single-carrier WCDMA Broadband
Performance
V
DD
= 48 V, I
DQ(MAIN)
= 450 mA,
V
GS(PEAK)
= 2.05 V, P
OUT
= 49.4 dBm,
3GPP WCDMA signal, PAR = 10 dB
V
DD
= 48 V, I
DQ(MAIN)
= 450 mA,
V
GS(PEAK)
= 2.05 V
-5
-10
19
18
Gain
CW Performance
-10
60
50
40
30
Efficiency
855MHz
855MHz
875MHz
875MHz
895MHz
895MHz
ACPL & ACP Up (dBc)
-15
-20
-25
-30
-35
-40
ACPU
ACPL
IRL
Return Loss (dB)
Gain (dB)
-15
-20
-25
-30
ptra094808nf_g4
17
16
15
14
13
20
10
0
750
800
850
900
950
-35
1000
29
33
37
41
45
49
53
ptra094808nf_g5
57
Frequency (MHz)
Output Power (dBm)
Rev. 05, 2018-06-20
4600 Silicon Drive | Durham, NC 27703 | www.wolfspeed.com
Efficiency (%)
Efficiency (%)
16
55
PTRA094808NF
Load Pull Performance
Main Side Load Pull Performance
– Pulsed CW signal: 10 µsec, 10% duty cycle, V
DD
= 48 V, I
DQ
= 350 mA, class AB
P
1dB
Max Output Power
Freq
[MHz]
865
880
895
Zs
[
W]
1.4-j4.1
1.6-j4.65
2.0-j4.33
Zl
[
W
]
1.93-j1.35
1.67-j1.24
1.87-j1.62
Gain
[dB]
20.25
19.8
20
P
1dB
[dBm]
53.40
53.40
53.37
P
1dB
[W]
219
219
217
hD
[%]
57.4
54.6
56.7
Zl
[
W
]
4.16-j0.34
4.0-j0.5
4.08-j0.33
5
Max Drain Efficiency
Gain
[dB]
22.1
22.1
22
P
1dB
[dBm]
51.50
51.50
51.37
P
1dB
[W]
141
141
137
hD
[%]
67.2
67.7
67.6
P
3dB
Max Output Power
Freq
[MHz]
865
880
895
Zs
[
W]
1.4-j4.1
1.6-j4.65
2.0-j4.33
Zl
[
W
]
2.09-1.87
1.87-1.73
1.81-1.78
Gain
[dB]
18.4
18
17.9
P
3dB
[dBm]
54.30
54.20
54.20
P
3dB
[W]
270
263
263
hD
[%]
61.8
58.7
59.1
Zl
[
W
]
3.8+0
3.56+0.05
3.33+0.04
Max Drain Efficiency
Gain
[dB]
20
19.85
19.73
P
3dB
[dBm]
52.62
52.67
52.65
P
3dB
[W]
182
184
184
hD
[%]
69.1
69.5
69.43
Peak Side Load Pull Performance
– Pulsed CW signal: 10 µsec, 10% duty cycle, V
DD
= 48 V, V
GS(PEAK)
= 2 V, class C
P
1dB
Max Output Power
Freq
[MHz]
865
880
895
Zs
[
W]
1.57-j3.71
1.58-j3.55
1.82-3.82
Zl
[
W
]
1.17-j1.97
1.15-j3.55
1.14-j2.05
Gain
[dB]
16
16
16
P
1dB
[dBm]
55.80
55.70
55.84
P
1dB
[W]
380
372
384
hD
[%]
58.8
59.0
60.9
Zl
[
W
]
1.01-j0.55
1.08-j0.83
1.11-j1.04
Max Drain Efficiency
Gain
[dB]
17.1
17
16.9
P
1dB
[dBm]
53.17
53.70
54.10
P
1dB
[W]
207
234
257
hD
[%]
71.1
70.9
71.1
P
3dB
Max Output Power
Freq
[MHz]
865
880
895
Zs
[
W]
1.57-j3.71
1.58-j3.55
1.82-3.82
Zl
[
W
]
1.2-1.97
1.32-2.11
1.19-2.09
Gain
[dB]
14
13.8
13.9
P
3dB
[dBm]
56.68
56.46
56.59
P
3dB
[W]
466
443
456
hD
[%]
61.9
60.6
62.4
Zl
[
W
]
1.17-0.93
1.15-1.05
1.05-1.04
Max Drain Efficiency
Gain
[dB]
15.1
15
14.8
P
3dB
[dBm]
55.12
55.00
54.72
P3dB
[W]
325
316
296
hD
[%]
71.2
70.7
71.0
Rev. 05, 2018-06-20
4600 Silicon Drive | Durham, NC 27703 | www.wolfspeed.com
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