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BLF645
Broadband power LDMOS transistor
Rev. 01 -- 27 January 2010 Product data sheet
1. Product profile
1.1 General description
A 100 W LDMOS RF power push-pull transistor for broadcast transmitter and industrial applications. The transistor is suitable for the frequency range HF to 1400 MHz. The excellent ruggedness and broadband performance of this device makes it ideal for digital applications.
Table 1. Typical performance RF performance at Th = 25 C in a common source test circuit. Mode of operation CW, class-AB 2-tone, class-AB f (MHz) 1300 1300 VDS (V) 32 32 PL (W) 100 PL(PEP) (W) 100 Gp (dB) 18 18 D (%) 56 45 IMD (dBc) -32
1.2 Features
CW performance at 1300 MHz, a drain-source voltage VDS of 32 V and a quiescent drain current IDq = 0.9 A for total device: Average output power = 100 W Power gain = 18 dB Drain efficiency = 56 % 2-tone performance at 1300 MHz, a drain-source voltage VDS of 32 V and a quiescent drain current IDq = 0.9 A for total device: Peak envelope load power = 100 W Power gain = 18 dB Drain efficiency = 45 % Intermodulation distortion = -32 dBc Integrated ESD protection Excellent ruggedness High power gain High efficiency Excellent reliability Easy power control Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
1.3 Applications
Communication transmitter applications in the HF to 1400 MHz frequency range Industrial applications in the HF to 1400 MHz frequency range
2. Pinning information
Table 2. Pin 1 2 3 4 5 Pinning Description drain 1 drain 2 gate 1 gate2 source
[1]
Simplified outline
1 2 5
Graphic symbol
1
3 3 4 5 4
2
sym117
[1]
Connected to flange.
3. Ordering information
Table 3. Ordering information Package Name BLF645 Description flanged balanced LDMOST ceramic package; 2 mounting holes; 4 leads Version SOT540A Type number
4. Limiting values
Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol VDS VGS ID Tstg Tj Parameter drain-source voltage gate-source voltage drain current storage temperature junction temperature Conditions Min -0.5 -65 Max 65 +11 32 +150 200 Unit V V A C C
5. Thermal characteristics
Table 5. Rth(j-c)
[1]
Thermal characteristics Conditions Tcase = 80 C; PL = 100 W
[1]
Symbol Parameter thermal resistance from junction to case
Typ
Unit
0.67 K/W
Rth(j-c) is measured under RF conditions.
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
2 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
6. Characteristics
Table 6. Characteristics per section Tj = 25 C per section; unless otherwise specified. Symbol Parameter V(BR)DSS drain-source breakdown voltage VGS(th) VGSq IDSS IDSX IGSS gfs RDS(on) Ciss Coss Crs gate-source threshold voltage gate-source quiescent voltage drain leakage current drain cut-off current gate leakage current forward transconductance drain-source on-state resistance input capacitance output capacitance feedback capacitance Conditions VGS = 0 V; ID = 0.9 mA VDS = 32 V; ID = 90 mA VDS = 32 V; IDq = 450 mA VGS = 0 V; VDS = 32 V VGS = VGS(th) + 3.75 V; VDS = 10 V VGS = 10 V; VDS = 0 V VDS = 10 V; ID = 4.5 A VGS = VGS(th) + 3.75 V; ID = 3.15 A VGS = 0 V; VDS = 32 V; f = 1 MHz VGS = 0 V; VDS = 32 V; f = 1 MHz VGS = 0 V; VDS = 32 V; f = 1 MHz Min 65 1.4 1.5 Typ 1.9 2.0 14 6.4 220 69 25 1.2 Max Unit 2.4 2.5 1.4 120 V V V A A nA S m pF pF pF
7. Application information
Table 7. RF performance in a common-source class-AB circuit Th = 25 C; IDq = 0.9 A for total device. Mode of operation CW, class-AB f (MHz) 1300 VDS (V) 32 PL (W) 100 Gp (dB) > 16.5 D (%) > 53
7.1 Ruggedness in class-AB operation
The BLF645 is capable of withstanding a load mismatch corresponding to VSWR = 10 : 1 through all phases under the following conditions: VDS = 32 V; f = 1300 MHz at rated load power.
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
3 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
8. Test information
8.1 RF performance
The following figures are measured in a class-AB production test circuit.
8.1.1 1-Tone CW
20 Gp (dB) 19 18 D 17 16 15 14 13 0 40 80 120 Gp
001aal361
70 60 50
D (%)
Gp (dB)
20 19 18 17
(7) (6) (5) (4) (3) (2) (1)
001aal362
40 16 30 15 20 10 0 160 PL (W) 14 13 12 0 40
80
120 PL (W)
160
VDS = 32 V; IDq = 900 mA (for total device); f = 1300 MHz.
VDS = 32 V; f = 1300 MHz. (1) IDq = 200 mA (for total device). (2) IDq = 400 mA (for total device). (3) IDq = 600 mA (for total device). (4) IDq = 900 mA (for total device). (5) IDq = 1200 mA (for total device). (6) IDq = 1400 mA (for total device). (7) IDq = 1800 mA (for total device).
Fig 1.
Power gain and drain efficiency as function of load power; typical values
Fig 2.
Power gain as a function of load power; typical values
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
4 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
55 PL (dBm) 53 ideal PL
001aal363
(2)
51
(1)
PL
49
47
45 27 29 31 33 35 37 Pi (dBm)
VDS = 32 V; IDq = 900 mA (for total device); f = 1300 MHz. (1) PL(1dB) = 50.5 dBm (112 W). (2) PL(3dB) = 51.5 dBm (141 W).
Fig 3.
Load power as function of input power; typical values
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
5 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
8.1.2 2-Tone CW
001aal364 001aal365
20 Gp (dB) 19 Gp 18 D 17
60 D (%) 50 IMD3 (dBc)
0
-10
40
-20
30
-30
(1) (2) (3) (4) (5) (6) (7)
16
20
-40
15
10
-50
14 0 40 80
0 120 160 PL(PEP) (W)
-60
0
40
80
120
160 200 PL(PEP) (W)
VDS = 32 V; IDq = 900 mA (for total device); f = 1300 MHz; carrier spacing = 100 kHz.
VDS = 32 V; f = 1300 MHz; carrier spacing = 100 kHz. (1) IDq = 200 mA (for total device). (2) IDq = 400 mA (for total device). (3) IDq = 600 mA (for total device). (4) IDq = 900 mA (for total device). (5) IDq = 1200 mA (for total device). (6) IDq = 1400 mA (for total device). (7) IDq = 1800 mA (for total device).
Fig 4.
Power gain and drain efficiency as function of peak envelope load power; typical values
Fig 5.
Third order intermodulation distortion as a function of peak envelope load power; typical values
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
6 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
8.2 Reliability
105 Years 104
(1) (2) (3) (4) (5) (6) 001aal366
103
102
10
(7) (8) (9) (10) (11)
1 0 4 8 12 16 IDS(DC) (A) 20
TTF (0.1 % failure fraction). (1) Tj = 100 C. (2) Tj = 110 C. (3) Tj = 120 C. (4) Tj = 130 C. (5) Tj = 140 C. (6) Tj = 150 C. (7) Tj = 160 C. (8) Tj = 170 C. (9) Tj = 180 C. (10) Tj = 190 C. (11) Tj = 200 C.
Fig 6.
BLF645 electromigration (IDS(DC), total device)
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
7 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
8.3 Test circuit
VDD
C15
VGG
C4
C13
R3 C2
T2
R5 C11
L1
IN 50 C1
R1 L3
C6 C8 L4 L5
L6 C9
L8 C10
L10 L12 L13 L14 C17
OUT 50
R2
C7
L7
L9
L11 C12
C3 R4
T1
R6
L2
C5
VGG
C14 C16
VDD
001aal367
See Table 8 for a list of components.
Fig 7.
Class-AB common-source production test circuit
C4 R3 T2 R5 C2 C1 C6 R1 C8 C3 R2 C7
+
C15 C13
L1 C17
C9
C11 C10
C12 R6 T1 L2
R4 C5
C14
BLF645 INPUT REVZ NXP
BLF645 OUTPUT REVZ NXP
+
C16 001aal368
See Table 8 for a list of components.
Fig 8.
Component layout for class-AB production test circuit
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
8 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
Table 8. List of components For test circuit, see Figure 7 and Figure 8. Component C1 Description multilayer ceramic chip capacitor Value 47 pF 27 pF 100 nF 4.7 F 1.5 pF 3.3 pF 6.2 pF 220 F D = 3.5 mm; length = 4 mm 11 1 k 12 Z = 50 ; length = 34 mm
[4] [4] [4] [4] [4] [4] [4] [2] [2] [3] [1] [2]
Remarks
C6, C7, C11, C12, multilayer ceramic chip capacitor C17 C2, C3 multilayer ceramic chip capacitor C4, C5, C13, C14 multilayer ceramic chip capacitor C8 C9 C10 C15, C16 L1, L2 L3 L4, L5 L6, L7 L8, L9 L10, L11 L12, L13 L14 R1, R2 R3, R4 R5, R6 T1, T2 multilayer ceramic chip capacitor multilayer ceramic chip capacitor multilayer ceramic chip capacitor electrolytic capacitor 4 turns, 0.8 mm enameled copper wire microstrip microstrip microstrip microstrip microstrip microstrip microstrip SMD resistor SMD resistor SMD resistor semi rigid coax
Murata X7R or equivalent TDK C4532X7R1E475MT020U or capacitor of same quality.
TDK C4532X7R1E475MT020U or capacitor of same quality.
(W x L) 1.67 mm x 19.17 mm (W x L) 1.9 mm x 23.7 mm (W x L) 9.6 mm x 17.3 mm (W x L) 9 mm 12 mm (W x L) 8.5 mm x 31.0 mm (W x L) 4.52 mm x 5.0 mm (W x L) 1.67 mm x 21.67 mm 1206 1206 1206
[1] [2] [3] [4]
American technical ceramics type 100A or capacitor of same quality. American technical ceramics type 100B or capacitor of same quality. American technical ceramics type 180R or capacitor of same quality. Printed-Circuit Board (PCB): Taconic RF35; r = 3.5 F/m; height = 0.79 mm; Cu (top/bottom metallization); thickness copper plating = 35 m.
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
9 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
9. Package outline
Flanged balanced LDMOST ceramic package; 2 mounting holes; 4 leads SOT540A
D
A F D1
U1 q H1 C w2 M C M
B
c
1
2
H
U2
p
E1 w1 M A M B M
E
5
A
3
b e
4
w3 M Q
0
5 scale
10 mm
DIMENSIONS (millimetre dimensions are derived from the original inch dimensions) UNIT mm inches A 5.77 5.00 b 8.51 8.26 c 0.15 0.10 D D1 e E E1 F 1.78 1.52 H H1 p 3.38 3.12 Q 2.72 2.46 q 27.94 U1 34.16 33.91 U2 9.91 9.65 w1 0.25 w2 0.51 w3 0.25
10.26 10.31 22.05 22.05 10.21 10.06 10.01 21.64 21.64
15.75 18.72 14.73 18.47
0.227 0.335 0.006 0.868 0.868 0.404 0.406 0.070 0.620 0.737 0.133 0.107 1.345 0.390 1.100 0.010 0.020 0.010 0.402 0.197 0.325 0.004 0.852 0.852 0.396 0.394 0.060 0.580 0.727 0.123 0.097 1.335 0.380
OUTLINE VERSION SOT540A
REFERENCES IEC JEDEC EIAJ
EUROPEAN PROJECTION
ISSUE DATE 99-08-27 99-12-28
Fig 9. Package outline SOT540A
BLF645_1 (c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
10 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
10. Abbreviations
Table 9. Acronym CW DC D-MOS ESD HF LDMOS LDMOST RF SMD VSWR Abbreviations Description Continuous Waveform Direct Current Diffusion Metal-Oxide Semiconductor ElectroStatic Discharge High Frequency Laterally Diffused Metal Oxide Semiconductor Laterally Diffused Metal-Oxide Semiconductor Transistor Radio Frequency Surface-Mount Device Voltage Standing-Wave Ratio
11. Revision history
Table 10. BLF645_1 Revision history Release date 20100127 Data sheet status Product data sheet Change notice Supersedes Document ID
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
11 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
12. Legal information
12.1 Data sheet status
Document status[1][2] Objective [short] data sheet Preliminary [short] data sheet Product [short] data sheet
[1] [2] [3]
Product status[3] Development Qualification Production
Definition This document contains data from the objective specification for product development. This document contains data from the preliminary specification. This document contains the product specification.
Please consult the most recently issued document before initiating or completing a design. The term `short data sheet' is explained in section "Definitions". The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nxp.com.
12.2 Definitions
Draft -- The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. Short data sheet -- A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local NXP Semiconductors sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail.
damage. NXP Semiconductors accepts no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. Applications -- Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Limiting values -- Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. Terms and conditions of sale -- NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. No offer to sell or license -- Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export control -- This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities.
12.3 Disclaimers
General -- Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Right to make changes -- NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use -- NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental
12.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners.
13. Contact information
For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com
BLF645_1
(c) NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 -- 27 January 2010
12 of 13
NXP Semiconductors
BLF645
Broadband power LDMOS transistor
14. Contents
1 1.1 1.2 1.3 2 3 4 5 6 7 7.1 8 8.1 8.1.1 8.1.2 8.2 8.3 9 10 11 12 12.1 12.2 12.3 12.4 13 14 Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1 General description . . . . . . . . . . . . . . . . . . . . . 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Pinning information . . . . . . . . . . . . . . . . . . . . . . 2 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 2 Thermal characteristics . . . . . . . . . . . . . . . . . . 2 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Application information. . . . . . . . . . . . . . . . . . . 3 Ruggedness in class-AB operation . . . . . . . . . 3 Test information . . . . . . . . . . . . . . . . . . . . . . . . . 4 RF performance . . . . . . . . . . . . . . . . . . . . . . . . 4 1-Tone CW . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2-Tone CW . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Test circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 10 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 11 Legal information. . . . . . . . . . . . . . . . . . . . . . . 12 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 12 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Contact information. . . . . . . . . . . . . . . . . . . . . 12 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Please be aware that important notices concerning this document and the product(s) described herein, have been included in section `Legal information'.
(c) NXP B.V. 2010.
All rights reserved.
For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 27 January 2010 Document identifier: BLF645_1

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