BLF8G22LS-270V;
BLF8G22LS-270GV
Power LDMOS transistor
Rev. 3 — 1 September 2015
Product data sheet
1. Product profile
1.1 General description
270 W LDMOS power transistor with improved video bandwidth for base station
applications at frequencies from 2110 MHz to 2170 MHz.
Table 1.
Typical performance
Typical RF performance at T
case
= 25
C in a common source class-AB production test circuit, tested
on straight lead device.
Test signal
2-carrier W-CDMA
[1]
f
(MHz)
2110 to 2170
I
Dq
(mA)
2400
V
DS
(V)
28
P
L(AV)
(W)
80
G
p
(dB)
17.3
D
(%)
29
ACPR
5M
(dBc)
29
[1]
3GPP test model 1; 64 DPCH; PAR = 8.4 dB at 0.01 % probability on CCDF; 5 MHz carrier spacing.
1.2 Features and benefits
Excellent ruggedness
High efficiency
Low R
th
providing excellent thermal stability
Designed for broadband operation
Decoupling leads to enable improved video bandwidth (80 MHz typical)
Lower output capacitance for improved performance in Doherty applications
Designed for low memory effects providing excellent pre-distortability
Internally matched for ease of use
Integrated ESD protection
Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
(RoHS)
1.3 Applications
RF power amplifiers for base stations and multi carrier applications in the 2110 MHz to
2170 MHz frequency range
BLF8G22LS-270(G)V
Power LDMOS transistor
2. Pinning information
Table 2.
Pin
1
2
3
4
5
6
7
1
2
3
4
5
6
7
[1]
Pinning
Description
drain
gate
source
video lead
video lead
n.c.
n.c.
drain
gate
source
video lead
video lead
n.c.
n.c.
6
2
3
7
[1]
[1]
Simplified outline
Graphic symbol
BLF8G22LS-270V (SOT1244B)
4
1
5
6,7
2
1
4,5
3
3
aaa-003619
6
2
7
BLF8G22LS-270GV (SOT1244C)
4
1
5
1
6,7
2
3
aaa-003619
4,5
Connected to flange.
3. Ordering information
Table 3.
Ordering information
Package
Name Description
BLF8G22LS-270V
-
earless flanged ceramic package; 6 leads
earless flanged ceramic package; 6 leads
BLF8G22LS-270GV -
Version
SOT1244B
SOT1244C
Type number
4. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
V
DS
V
GS
T
stg
T
j
Parameter
drain-source voltage
gate-source voltage
storage temperature
junction temperature
Conditions
Min
-
0.5
65
-
Max
65
+13
+150
225
Unit
V
V
C
C
BLF8G22LS-270V_8G22LS-270GV#3
All information provided in this document is subject to legal disclaimers.
© Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 1 September 2015
2 of 16
BLF8G22LS-270(G)V
Power LDMOS transistor
5. Thermal characteristics
Table 5.
Symbol
R
th(j-c)
Thermal characteristics
Parameter
thermal resistance from junction to case
Conditions
T
case
= 80
C;
P
L
= 50 W
Typ
0.26
Unit
K/W
6. Characteristics
Table 6.
DC characteristics
T
j
= 25
C; per section unless otherwise specified.
Symbol
V
GS(th)
I
DSS
I
DSX
I
GSS
g
fs
R
DS(on)
Parameter
gate-source threshold voltage
drain leakage current
drain cut-off current
gate leakage current
forward transconductance
drain-source on-state resistance
Conditions
V
GS
= 0 V; I
D
= 4.5 mA
V
DS
= 10 V; I
D
= 450 mA
V
GS
= 0 V; V
DS
= 28 V
V
GS
= V
GS(th)
+ 3.75 V;
V
DS
= 10 V
V
GS
= 11 V; V
DS
= 0 V
V
DS
= 10 V; I
D
= 450 mA
V
GS
= V
GS(th)
+ 3.75 V;
I
D
= 15.75 A
Min Typ
65
1.5
-
-
-
-
-
-
1.8
-
80
-
3.8
Max Unit
-
2.3
4.2
-
420
-
V
V
A
A
nA
S
V
(BR)DSS
drain-source breakdown voltage
0.04 -
Table 7.
RF characteristics
Test signal: 2-carrier W-CDMA; PAR = 8.4 dB at 0.01 % probability on the CCDF; 3GPP test
model 1; 1-64 DPCH; f
1
= 2112.5 MHz; f
2
= 2117.5 MHz; f
3
= 2162.5 MHz; f
4
= 2167.5 MHz;
RF performance at V
DS
= 28 V; I
Dq
= 2400 mA; T
case
= 25
C; unless otherwise specified; in a
class-AB production test circuit, tested on straight lead device.
Symbol
G
p
RL
in
D
Parameter
power gain
input return loss
drain efficiency
Conditions
P
L(AV)
= 80 W
P
L(AV)
= 80 W
P
L(AV)
= 80 W
P
L(AV)
= 80 W
Min
16.3
-
26
-
Typ
17.3
17
29
29
Max
-
7
-
Unit
dB
dB
%
ACPR
5M
adjacent channel power ratio (5 MHz)
26.5
dBc
7. Test information
7.1 Ruggedness in class-AB operation
The BLF8G22LS-270V and BLF8G22LS-270GV are capable of withstanding a load
mismatch corresponding to VSWR = 10 : 1 through all phases under the following
conditions: V
DS
= 28 V; I
Dq
= 2400 mA; P
L
= 270 W (CW); f = 2110 MHz.
BLF8G22LS-270V_8G22LS-270GV#3
All information provided in this document is subject to legal disclaimers.
© Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 1 September 2015
3 of 16
BLF8G22LS-270(G)V
Power LDMOS transistor
7.2 Impedance information
Table 8.
Typical impedance information
I
Dq
= 2400 mA; main transistor V
DS
= 28 V.
Z
S
and Z
L
defined in
Figure 1.
f
(MHz)
BLF8G22LS-270V
2110
2140
2170
BLF8G22LS-270GV
2110
2140
2170
1.23
j6.94
1.43
j7.42
1.44
j7.50
2.39
j4.22
2.68
j4.22
2.90
j4.30
0.68
j4.73
0.80
j4.94
0.96
j5.37
2.42
j2.08
2.67
j2.24
2.68
j2.24
Z
S
()
Z
L
()
drain
Z
L
gate
Z
S
001aaf059
Fig 1.
Definition of transistor impedance
BLF8G22LS-270V_8G22LS-270GV#3
All information provided in this document is subject to legal disclaimers.
© Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 1 September 2015
4 of 16
BLF8G22LS-270(G)V
Power LDMOS transistor
7.3 Test circuit
50 mm
50 mm
C8
C5
C10
C12
C16
C17
60 mm
C6
C9
BLF8G22LS-270V rev1
C18
C15
C7
C11
BLF8G22LS-270V rev1
aaa-005384
Printed-Circuit Board (PCB): Taconic RF-35;
r
= 3.5; thickness = 0.76 mm.
See
Table 9
for list of components.
Fig 2.
Component layout for test circuit
Table 9.
List of components
For test circuit, see
Figure 2.
Component
C1, C2
C3
C4, C5, C17, C18
C6
C7, C8
C9, C10, C11, C12
C13
C14
C15, C16
R1
Description
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor
electrolytic capacitor
resistor
Value
0.7 pF
47 pF
4.7
F,
50 V
33 pF
12 pF
100 pF
0.2 pF
10
F,
50 V
470
F,
63 V
5.1
SMD 1206;
tolerance = 1 %
Remarks
ATC100B
ATC100B
Murata
ATC100B
ATC100B
ATC100B
ATC100B
Murata; SMD 2220
BLF8G22LS-270V_8G22LS-270GV#3
All information provided in this document is subject to legal disclaimers.
© Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 1 September 2015
5 of 16
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