NPT2021

NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Features









GaN on Si HEMT D-Mode Transistor
Suitable for linear and saturated applications
Tunable from DC - 2.5 GHz
48 V Operation
16.5 dB Gain at 2.5 GHz
55 % Drain Efficiency at 2.5 GHz
100 % RF Tested
TO-272 Package
RoHS* Compliant and 260°C reflow compatible
Description
The NPT2021 GaN HEMT is a wideband transistor
optimized for DC - 2.5 GHz operation. This device
supports CW, pulsed, and linear operation with
output power levels to 45 W in an industry standard
plastic package with bolt down flange.
Functional Schematic
The NPT2021 is ideally suited for defense
communications, land mobile radio, avionics,
wireless infrastructure, ISM applications and VHF/
UHF/L/S-band radar.
2
1
Built using the SIGANTIC® process - a proprietary
GaN-on-Silicon technology.
3
Pin Configuration
Ordering Information
*
Part Number
Package
NPT2021
Bulk Quantity
NPT2021-SMBPPR
Sample Board
Pin No.
Pin Name
Function
1
RFIN / VG
RF Input / Gate
2
RFOUT / VD
RF Output / Drain
3
Pad
1
Ground / Source
1. The exposed pad centered on the package bottom must be
connected to RF and DC ground. This path must also
provide a low thermal resistance heat path.
Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.
1
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
RF Electrical Specifications: TC = 25C, VDS = 48 V, IDQ = 350 mA
Parameter
Test Conditions
Symbol
Min.
Typ.
Max.
Units
Small Signal Gain
CW, 2.5 GHz
GSS
-
14.2
-
dB
Saturated Output Power
CW, 2.5 GHz
PSAT
-
47.5
-
dBm
Drain Efficiency at Saturation
CW, 2.5 GHz
SAT
-
65
-
%
Power Gain
2.5 GHz, POUT = 45 W
GP
12
12.8
-
dB
Drain Efficiency
2.5 GHz, POUT = 45 W

45
50
-
%
Ruggedness: Output Mismatch
All phase angles

VSWR = 15:1, No Device Damage
DC Electrical Characteristics: TC = 25C
Parameter
Test Conditions
Symbol
Min.
Typ.
Max.
Units
Drain-Source Leakage Current
VGS = -8 V, VDS = 160 V
IDLK
-
-
14
mA
Gate-Source Leakage Current
VGS = -8 V, VDS = 0 V
IGLK
-
-
7
mA
Gate Threshold Voltage
VDS = 48 V, ID = 14 mA
VT
-2.5
-1.8
-0.5
V
Gate Quiescent Voltage
VDS = 48 V, ID = 350 mA
VGSQ
-2.1
-1.5
-0.3
V
On Resistance
VDS = 2 V, ID = 105 mA
RON
-
0.34
-

Saturated Drain Current
VDS = 7 V pulsed, pulse width 300 µs
ID(SAT)
-
8.2
-
A
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Absolute Maximum Ratings2,3,4
Parameter
Absolute Maximum
Drain Source Voltage, VDS
160 V
Gate Source Voltage, VGS
-10 to 3 V
Gate Current, IG
24 mA
Junction Temperature, TJ
+200°C
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
2. Exceeding any one or combination of these limits may cause permanent damage to this device.
3. MACOM does not recommend sustained operation near these survivability limits.
4. Operating at nominal conditions with TJ ≤ 200°C will ensure MTTF > 1 x 106 hours.
Thermal Characteristics5
Parameter
Test Conditions
Symbol
Typical
Units
Thermal Resistance
VDS = 48 V, TJ = 200°C
RJC
1.60
°C/W
5. Junction temperature (TJ) measured using IR Microscopy. Case temperature measured using thermocouple
embedded in heat-sink.
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Nitride Circuits are sensitive to electrostatic
discharge (ESD) and can be damaged by static
electricity. Proper ESD control techniques should
be used when handling these HBM Class 1B
devices.
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Load-Pull Performance: VDS = 48 V, IDQ = 350 mA, TC = 25°C
Reference Plane at Device Leads, CW Drain Efficiency and Output Power Tradeoff Impedance
Frequency
(MHz)
ZS
()
ZL
()
PSAT
(W)
GSS
(dB)
Drain Efficiency
@ PSAT (%)
900
1.1 + j0.7
7.3 + j5.5
74
24
68
2000
1.4 - j6.1
2.9 + j2.4
65
17
68
2500
1.5 - j7.6
2.3 + j0.6
64
14
65
Impedance Reference
ZS and ZL vs. Frequency
ZS
ZL
Gain vs. Output Power
22
60
900 MHz
50
2500 MHz
Drain Efficiency (%)
70
900 MHz
20
Gain (dB)
Drain Efficiency vs. Output Power
24
2000 MHz
2500 MHz
18
16
14
40
30
20
10
12
25
4
2000 MHz
30
35
40
Output Power (dBm)
45
50
0
25
30
35
40
45
Output Power (dBm)
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
50
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Evaluation Board and Recommended Tuning Solution
2.5 GHz Narrowband Circuit
VGS
C1
1.0 mF
C2
0.1 mF
C3
0.01 mF
VDS
C4
1000 pF
C9
10 pF
C8
1000pF
R1
24.9 
R2
0
NPT2021
C13
0.5 pF
C6
0.1 mF
C5
1.0 mF
C11
18 pF
C12
18 pF
C10
15 pF
RF
In
C7
0.01 mF
L1
22 nH
C15
2.4 pF
C16
0.5 pF
C17
2.4 pF
RF
Out
C14
3.0 pF
Description
Bias Sequencing
Parts measured on evaluation board (30-mil thick
RO4350). The PCB’s electrical and thermal ground
is provided using a standard-plated densely packed
via hole array (see recommended via pattern).
Turning the device ON
Matching is provided using a combination of
lumped elements and transmission lines as shown
in the simplified schematic above. Recommended
tuning solution component placement, transmission
lines, and details are shown on the next page.
1. Set VGS to the pinch-off (VP), typically -5 V.
2. Turn on VDS to nominal voltage (48 V).
3. Increase VGS until the IDS current is reached.
4. Apply RF power to desired level.
Turning the device OFF
1. Turn the RF power off.
2. Decrease VGS down to VP.
3. Decrease VDS down to 0 V.
4. Turn off VGS.
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Evaluation Board and Recommended Tuning Solution
2.5 GHz Narrowband Circuit
Parts list
Reference
Value
Tolerance
Manufacturer
Part Number
C1, C5
1.0 µF
10 %
AVX
1210C105KAT2A
C2, C6
0.1 µF
10 %
Kemet
C1206C104K1RACTU
C3, C7
0.01 µF
10 %
AVX
12061C103KAT2A
C4, C8
1000 pF
10 %
Kemet
C0805C102K1RACTU
C9
10 pF
5%
ATC
ATC800A100J
C10, C11
18 pF
10 %
ATC
ATC800B180K
C12
3.6 pF
0.1 pF
Murata
GQM22M5C2H3R6BB01
C13
1.5 pF
0.1 pF
Murata
GQM22M5C2H1R5BB01
C14, C15
2.4 pF
0.1 pF
ATC
ATC800B2R4B
L1, L2
22 nH
5%
Coilcraft
0807SQ-22N_LB
R1
24.9 Ω
1%
Panasonic
ERJ-SIDF49R9U-ND
PCB
Rogers RO4350, r = 3.5, 30 mil
6
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Typical Performance as measured in the 2.5 GHz evaluation board:
CW, VDS = 48 V, IDQ = 350 mA (unless noted)
Gain vs. Output Power over Temperature
Drain Efficiency vs. Output Power over Temperature
70
16
+25°C
-40°C
+85°C
+25°C
-40°C
+85°C
60
Drain Efficiency (%)
Gain (dB)
15
14
13
12
50
40
30
20
10
11
25
30
35
40
45
0
25
50
30
Output Power (dBm)
35
40
45
Output Power (dBm)
Quiescent VGS vs. Temperature
-1.1
VGSQ (V)
-1.2
175 mA
350 mA
525 mA
-1.3
-1.4
-1.5
-1.6
-50
-25
0
25
50
75
100
Temperature (°C)
7
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
50
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
Rev. V1
Typical 2-Tone Performance as measured in the 2.5 GHz evaluation board:
1 MHz Tone Spacing, VDS = 48 V, IDQ = 350 mA, TC = 25°C (unless noted)
2-Tone IMD3 vs. Output Power vs. Quiescent Current
2-Tone Gain vs. Output Power vs. Quiescent Current
-15
15.5
250mA
350mA
450mA
550mA
650mA
-20
14.5
-30
Gain (dB)
IMD (dBc)
-25
15
-35
-40
14
13.5
13
250mA
350mA
450mA
550mA
650mA
12.5
-45
12
-50
11.5
1
10
100
1
10
POUT (W-PEP)
POUT (W-PEP)
2-Tone IMD vs. Output Power
-15
-IMD3
+IMD3
-IMD5
+IMD5
-IMD7
+IMD7
-20
IMD (dBc)
-25
-30
-35
-40
-45
-50
-55
1
10
100
POUT (W-PEP)
8
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
100
NPT2021
GaN Wideband Transistor 48 V, 45 W
DC - 2.5 GHz
TO-272-2 Plastic Package †
All dimensions shown as inches [millimeters].
†
Meets JEDEC moisture sensitivity level 3 requirements.
Plating is Matte Sn .
9
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
Rev. V1