BLF900-110
DISCRETE SEMICONDUCTORS
DATA SHEET
M3D379
M3D461
BLF900-110; BLF900S-110
Base station LDMOS transistors
Product specification |
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2004 Feb 04 |
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Supersedes data of 2003 Sep 22 |
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Philips Semiconductors |
Product specification |
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Base station LDMOS transistors |
BLF900-110; BLF900S-110 |
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FEATURES
∙Typical CDMA IS95 performance at standard settings with a supply voltage of 27 V, frequency of 881.5 MHz
and IDQ of 700 mA; adjacent channel bandwidth is 30 kHz, adjacent channel at ± 750 kHz:
APPLICATIONS
∙RF power amplifier for GSM, EDGE and CDMA base stations and multicarrier operations in the
800 to 1000 MHz frequency range.
–Output power = 24 W (AV)
–Gain = 15 dB
–Efficiency = 27%
–ACPR = −45 dBc at 750 kHz and BW = 30 kHz.
∙110 W CW performance
∙Easy power control
∙Excellent ruggedness
∙High power gain
∙Excellent thermal stability
∙Designed for broadband operation (800 to 1000 MHz)
∙Internally matched for ease of use.
PINNING - SOT502A
PIN |
DESCRIPTION |
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1 |
drain |
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2 |
gate |
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3 |
source; connected to flange |
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DESCRIPTION
110 W LDMOS power transistor for base station applications at frequencies from 800 to 1000 MHz.
PINNING - SOT502B
PIN |
DESCRIPTION |
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1 |
drain |
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2 |
gate |
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3 |
source; connected to flange |
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handbook, halfpage |
1 |
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Top view |
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MBK394 |
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Top view |
MBL105 |
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Leads are gold-plated. |
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Fig.1 Simplified outline SOT502A (BLF900-110). |
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Fig.2 Simplified outline SOT502B (BLF900S-110). |
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QUICK REFERENCE DATA |
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Typical RF performance at Th = 25 °C in a common source test circuit. |
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MODE OF OPERATION |
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f |
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VDS |
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PL |
Gp |
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ηD |
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d3 |
ACPR 750 |
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(MHz) |
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(V) |
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(W) |
(dB) |
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(%) |
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(dBc) |
(dBc) |
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2-tone, class-AB |
f1 = 890.0; f2 = 890.1 |
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27 |
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100 (PEP) |
17 |
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38 |
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−33 |
− |
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CDMA (IS95) |
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881.5 |
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27 |
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24 (AV) |
15 |
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27 |
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−45 |
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2004 Feb 04 |
2 |
Philips Semiconductors |
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Product specification |
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Base station LDMOS transistors |
BLF900-110; BLF900S-110 |
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ORDERING INFORMATION |
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TYPE NUMBER |
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PACKAGE |
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NAME |
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DESCRIPTION |
VERSION |
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BLF900-110 |
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Flanged LDMOST ceramic package; 2 mounting holes; 2 leads |
SOT502A |
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BLF900S-110 |
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Earless flanged LDMOST ceramic package; 2 leads |
SOT502B |
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LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL |
PARAMETER |
MIN. |
MAX. |
UNIT |
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VDS |
drain-source voltage |
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75 |
V |
VGS |
gate-source voltage |
− |
±15 |
V |
Tstg |
storage temperature |
−65 |
+150 |
°C |
Tj |
junction temperature |
− |
200 |
°C |
THERMAL CHARACTERISTICS
SYMBOL |
PARAMETER |
CONDITIONS |
VALUE |
UNIT |
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Rth(j-c) |
thermal resistance from junction to case |
Th = 25 °C, PL = 160 W (AV), note 1 |
0.9 |
K/W |
Note |
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1. Thermal resistance is determined under specified RF operating conditions.
CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
TYP. |
MAX. |
UNIT |
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V(BR)DSS |
drain-source breakdown voltage |
VGS = 0; ID = 3 mA |
75 |
− |
− |
V |
VGSth |
gate-source threshold voltage |
VDS = 10 V; ID = 250 mA |
4.5 |
− |
5.5 |
V |
IDSS |
drain-source leakage current |
VGS = 0; VDS = 28 V |
− |
− |
3 |
μA |
IDSX |
on-state drain current |
VGS = VGSth + 9 V; VDS = 10 V |
31 |
− |
− |
A |
IGSS |
gate leakage current |
VGS = ±15 V; VDS = 0 |
− |
− |
0.5 |
μA |
gfs |
forward transconductance |
VDS = 20 V; ID = 7.5 A |
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7 |
− |
S |
RDSon |
drain-source on-state resistance |
VGS = VGSth + 9 V; ID = 9 A |
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90 |
− |
mΩ |
2004 Feb 04 |
3 |
Philips Semiconductors |
Product specification |
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|
Base station LDMOS transistors |
BLF900-110; BLF900S-110 |
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APPLICATION INFORMATION
RF performance in a common source class-AB circuit. VDS = 27 V; f = 890 MHz; Th = 25 °C; unless otherwise specified.
SYMBOL |
PARAMETER |
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CONDITIONS |
MIN. |
TYP. |
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MAX. |
UNIT |
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Mode of operation: 2-tone CW, 100 kHz spacing, IDQ = 700 mA |
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G |
power gain |
P |
L |
= 100 W (PEP) |
16 |
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17 (1) |
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dB |
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p |
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ηD |
drain efficiency |
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35 |
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38 |
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% |
IRL |
input return loss |
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− |
−9 |
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<−6 |
dB |
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d3 |
third order intermodulation |
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− |
−33 |
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−27 |
dBc |
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distortion |
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ruggedness |
VSWR = 10 : 1 through all |
no degradation in output power |
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phases; PL = 125 W (PEP) |
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Mode of operation: CDMA, IS95 (pilot, paging, sync and traffic codes 8 to 13), I DQ = 575 mA |
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Gp |
power gain |
PL = 24 W (AV) |
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15 |
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− |
dB |
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ηD |
drain efficiency |
PL = 24 W (AV) |
− |
27 |
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% |
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ACPR 750 |
adjacent channel power ratio |
at BW = 30 kHz |
− |
−45 |
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dBc |
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Note |
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1. Refer to RF Gain grouping table. |
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RF Gain grouping |
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GAIN(2) |
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CODE(1) |
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(dB) |
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MIN. |
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MAX. |
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B |
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16.0 |
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16.5 |
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C |
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16.5 |
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17.0 |
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D |
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17.0 |
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17.5 |
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E |
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17.5 |
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18.0 |
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Notes
1. 0.2 dB overlap is allowed for measurement repeatability. 2. For 2-tone at f1 = 890 MHz; f2 = 890.1 MHz.
2004 Feb 04 |
4 |