PTF140451E
PTF140451F
Thermally-Enhanced High Power RF LDMOS FETs
45 W, 1450 – 1550 MHz
Description
The PTF140451E and PTF140451F are 45-watt,
GOLDMOS
®
FETs intended for DAB applications. These devices are
characterized for Digital Audio Broadcast operation in the 1450 to
1550 MHz band. Thermally-enhanced packages provide the
coolest operation available. Full gold metallization ensures
excellent device lifetime and reliability.
PTF140451E
Package 30265
PTF140451F
Package 31265
DAB Mode 2 Drive-up at 28 V
V
DD
= 28 V, I
DQ
= 550 mA, ƒ = 1500 MHz
Features
•
•
•
Thermally-enhanced packages
Broadband internal matching
Typical DAB Mode 2 performance at 1500 MHz, 28 V
- Average output power = 12.5 W
- Efficiency = 27.5%
- Spectral regrowth = –30 dBc
-
∆
975 kHz ƒ
C
Typical DAB Mode 2 performance at 1500 MHz, 32 V
- Average output power = 15.5 W
- Efficiency = 27%
- Spectral regrowth = –30 dBc
-
∆
975 kHz ƒ
C
Typical CW performance, 1500 MHz, 28 V
- Output power = 60 W
- Linear gain = 18 dB
- Efficiency = 54% at P–1dB
Integrated ESD protection: Human Body Model,
Class 1 (minimum)
Excellent thermal stability, low HCI drift
Capable of handling 10:1 VSWR at 28 V, 45 W (CW)
output power
Pb-free and RoHS compliant
-22
30
Spectral Regrowth (dBc)
.
Drain Efficiency
Drain Efficiency (%)
-26
-30
-34
-38
26
22
18
14
•
Regrowth
-42
34
35
36
37
38
39
40
41
42
10
•
Output Power, avg. (dBm)
•
•
•
•
RF Characteristics
DAB Measurements
(not subject to production test—verified by design/characterization in Infineon test fixture)
V
DD
= 28 V, I
DQ
= 550 mA, P
OUT
= 12.5 W
AVG
, ƒ = 1500 MHz, DAB Mode 2,
∆
975 kHz ƒ
C
Characteristic
Spectral Regrowth
Gain
Drain Efficiency
All published data at T
CASE
= 25°C unless otherwise indicated
Symbol
RGTH
G
p s
Min
—
—
—
Typ
–30
18
27.5
Max
—
—
—
Unit
dBc
dB
%
η
D
*See Infineon distributor for future availability.
ESD:
Electrostatic discharge sensitive device—observe handling precautions!
Data Sheet
1 of 9
Rev. 02, 2005-11-01
PTF140451E
PTF140451F
RF Characteristics
(cont.)
Two-Tone Measurements
(tested in Infineon test fixture)
V
DD
= 28 V, I
DQ
= 550 mA, P
OUT
= 45 W
PEP
, ƒ = 1500 MHz, tone spacing = 1 MHz
Characteristic
Gain
Drain Efficiency
Intermodulation Distortion
Symbol
G
p s
Min
17
35
—
Typ
18
36.5
–32
Max
—
—
–30
Unit
dB
%
dBc
η
D
IMD
DC Characteristics
Characteristic
Drain-Source Breakdown Voltage
Drain Leakage Current
On-State Resistance
Operating Gate Voltage
Gate Leakage Current
Conditions
V
GS
= 0 V, I
D
= 10 µA
V
DS
= 28 V, V
GS
= 0 V
V
GS
= 10 V, V
DS
= 0.1 V
V
DS
= 28 V, I
DQ
= 550 mA
V
GS
= 10 V, V
DS
= 0 V
Symbol
V
(BR)DSS
I
DSS
R
DS(on)
V
G S
I
GSS
Min
65
—
—
2.5
—
Typ
—
—
0.02
3.3
—
Max
—
1.0
—
4.0
1.0
Unit
V
µA
Ω
V
µA
Maximum Ratings
Parameter
Drain-Source Voltage
Gate-Source Voltage
Junction Temperature
Total Device Dissipation
Above 25°C derate by
Storage Temperature Range
Thermal Resistance (T
CASE
= 70°C)
T
STG
R
θJC
Symbol
V
DSS
V
G S
T
J
P
D
Value
65
–0.5 to +12
200
175
1.0
–40 to +150
1.0
Unit
V
V
°C
W
W/°C
°C
°C/W
Ordering Information
Type
PTF140451E
PTF140451F
Package Outline
30265
31265
Package Description
Thermally-enhanced slotted flange, single-ended
Thermally-enhanced earless flange, single-ended
Marking
PTF140451E
PTF140451F
*See Infineon distributor for future availability.
Data Sheet
2 of 9
Rev. 02, 2005-11-01
PTF140451E
PTF140451F
Typical Performance
CW Power Sweep (P–1dB)
V
DD
= 28 V, I
DQ
= 550 mA, ƒ = 1500 MHz
CW Sweep in a Broadband Test Fixture
V
DD
= 28 V, I
DQ
= 550 mA, P
OUT
(CW) = 12 W
20
19
60
50
40
30
Gain (dB) and Drain Efficiency (%)
.
T
CASE
= 25°C
T
CASE
= 90°C
45
40
35
30
0
-10
-15
-20
18
17
Gain
25
Drain Efficiency
20
15
10
1400
1450
1500
1550
-25
-30
Drain Efficiency
16
15
0
10
20
30
40
50
60
20
10
Gain
-35
-40
1600
Output Power (W)
Frequency (MHz)
3rd Order Intermodulation Distortion
vs. Output Power for Various I
DQ
V
DD
= 28, ƒ = 1500 MHz, tone spacing = 1 MHz
-25
-30
-35
-25
2-Tone Drive-up at Optimum Current
V
DD
= 28 V, I
DQ
= 550 mA, ƒ = 1500 MHz,
tone spacing = 1 MHz
45
I
DQ
= 500 mA
I
DQ
= 550 mA
I
DQ
= 650 mA
-35
35
Drain Efficiency
IMD (dBc)
3rd Order
-45
25
IM3 (dBc)
-40
-45
-50
-55
-60
-65
5th
-55
15
7th
I
DQ
= 450 mA
32
34
36
38
40
42
I
DQ
= 600 mA
-65
5
32
36
40
44
48
44
46
48
Output Power, PEP (dBm)
Output Power, PEP (dBm)
Data Sheet
3 of 9
Rev. 02, 2005-11-01
Drain Efficiency (%)
Input Return Loss (dB)
Return Loss
-5
Drain Efficiency (%)
Gain (dB)