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PDF BLF578 Data sheet ( Hoja de datos )
| Número de pieza | BLF578 | |
| Descripción | Power LDMOS transistor | |
| Fabricantes | NXP Semiconductors | |
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BLF578
Power LDMOS transistor
Rev. 01 — 11 December 2008
Objective data sheet
1. Product profile
1.1 General description
A 1200 W LDMOS power transistor for broadcast applications and industrial applications
in the HF to 500 MHz band.
Table 1. Production test information
Mode of operation
f
(MHz)
pulsed RF
225
VDS
PL
(V) (W)
50 1200
Gp
(dB)
24
ηD
(%)
70
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken
during transport and handling.
1.2 Features
I Typical pulsed performance at frequency of 225 MHz, a supply voltage of 50 V and an
IDq of 40 mA, a tp of 100 µs with δ of 20 %:
N Output power = 1200 W
N Power gain = 24 dB
N Efficiency = 70 %
I Easy power control
I Integrated ESD protection
I Excellent ruggedness
I High efficiency
I Excellent thermal stability
I Designed for broadband operation (10 MHz to 500 MHz)
I Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
(RoHS)
1.3 Applications
I Industrial, scientific and medical applications
I Broadcast transmitter applications
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NXP Semiconductors
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BLF578
Power LDMOS transistor
7. Application information
7.1 Reliability
105
Years
104
103
102
10
(1) (2) (3) (4) (5) (6)
(7) (8) (9) (10) (11)
001aaj114
1
0 4 8 12 16 20
Idc (A)
TTF (0.1 % failure fraction).
The reliability at pulsed conditions can be calculated as follows: TTF (0.1 %) × 1/ δ.
(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 2. BLF578 electromigration (ID, total device)
BLF578_1
Objective data sheet
Rev. 01 — 11 December 2008
© NXP B.V. 2008. All rights reserved.
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9. Package outline
Flanged balanced LDMOST ceramic package; 2 mounting holes; 4 leads
BLF578
Power LDMOS transistor
SOT539A
A
H U2
L
A
D
F
D1
U1
q
H1
1
B
C
w2 M C M
2
c
p E1 E
5 w1 M A M B M
34
b
e
w3 M
Q
0 5 10 mm
scale
DIMENSIONS (millimetre dimensions are derived from the original inch dimensions)
UNIT A
bc
D D1 e E E1 F H H1 L
pQ
q U1 U2 w1 w2 w3
mm
5.33
3.96
11.81
11.56
0.15
0.08
31.55
30.94
31.52
30.96
13.72
9.50
9.30
9.53
9.27
1.75 17.12 25.53 3.73
1.50 16.10 25.27 2.72
3.30
3.05
2.31
2.01
35.56
41.28
41.02
10.29
10.03
0.25
0.51
0.25
inches
0.210
0.156
0.465 0.006
0.455 0.003
1.242
1.218
1.241
1.219
0.540
0.374
0.366
0.375 0.069 0.674
0.365 0.059 0.634
1.005
0.995
0.147 0.130 0.091
0.107 0.120 0.079
1.400
1.625
1.615
0.405
0.395
0.010
0.020
0.010
OUTLINE
VERSION
SOT539A
IEC
REFERENCES
JEDEC
EIAJ
Fig 10. Package outline SOT539A
BLF578_1
Objective data sheet
Rev. 01 — 11 December 2008
EUROPEAN
PROJECTION
ISSUE DATE
99-12-28
00-03-03
© NXP B.V. 2008. All rights reserved.
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