FUJITSU SEMICONDUCTOR
DATA SHEET
DS04-23507-1E
ASSP
CMOS
HIGH-POWER AMPLIFIER
MB54503
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DESCRIPTION
The Fujitsu MB54503 is a high-power amplifier which is used for mobile telecommunication systems such as
handy phones and car phones. This device is ideally suitable for power amplifier driver.
Using Fujitsu’s advanced technology, MB54503 achieves an Icc of 26.0mA (typ.).
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FEATURES
Supply voltage
3.6V (typ.)
Current consumption
26mA (typ.)
Input frequency
1.1GHz (max.)
Gain
25dB (typ.)
*1
Output level (@Pin=–8dBm) +13dBm (typ.)
*1
Input return loss
14dBm (typ.)
*1
Output return loss
6dB (typ.)
*1
*1: Measured by the circuit of “measurement circuit example”.
(fin = 933MHz)
• 16-pin Plastic Shrink Small Outline Package (Suffix: -PFV)
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PACKAGE
PLASTIC PACKAGE
(FP-16P-M05)
MB54503
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PIN ASSIGNMENT
(TOP VIEW)
RFin1
1
16
GND
GND
2
15
Lext
Rext1
3
14
RFout1
GND
4
13
N.C.
N.C.
5
12
RFin2
Vcc
6
11
Rext2
GND
7
10
GND
RFout2
8
9
GND
(FPT-16P-M05)
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ABSOLUTE MAXIMUM RATINGS
Parameters
Supply Voltage
Output Voltage
Output Current
Storage Temperature
Symbol
V
CC
V
O
I
O
T
STG
Value
–0.5 to 7.0
–0.5 to V
CC
+ 0.5
0 to 10
–55 to +125
Unit
V
V
mA
°C
Note: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional
operation should be restricted to the conditions as detailed in the operational sections of this data sheet.
Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
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MB54503
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EQUIVALENT CIRCUIT
Vcc
RFout1
Main
Bias
Circuit
Lext
RFin1
Main
Bias
Circuit
RFout2
RFin2
Rext1
Rext2
The first amplifier
The second amplifier
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PIN DESCRIPTION
Pin No. Pin Name
1
2
3
4
5
6
7
8
RFin1
GND
Rext1
GND
N.C.
V
CC
GND
RFout2
Description
The first amplifier input
Ground
Emitter for the first amplifier
Ground
No connection
Power supply
Ground
The second amplifier output
Pin No. Pin Name
9
10
11
12
13
14
15
16
GND
GND
Rext2
RFin2
N.C.
RFout1
Lext
GND
Ground
Ground
Emitter of the second amplifier
The second amplifier input
No connection
The first amplifier output
Load connecting for the first amplifier
Ground
Description
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MB54503
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RECOMMENDED OPERATING CONDITIONS
(
Vcc = +3.6V, Ta = 25°C)
Value
Parameter
Supply Voltage
Input Voltage
Operating Temperature
Symbol
Min.
V
CC
V
I
Ta
2.7
GND
–40
Typ.
3.6
––
––
Max.
5.0
V
CC
+85
V
V
°C
Unit
Notes: To protect against damage by electrostatic discharge, note the following handling precautions:
– Store and transport devices in conductive containers.
– Use properly grounded workstations, tools, and equipment.
– Turn off power before inserting or removing this device into or from a socket.
– Protect leads with conductive sheet, when transporting a board mounted device.
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MB54503
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ELECTRICAL CHARACTERISTICS
(
Vcc = +3.6V, Ta = 25°C)
Parameter
Supply Voltage
Supply Current
Operating Frequency
Gain
Output Power
Input Return Loss
Output Return Loss
Symbol
V
CC
I
CC
fin
Gain
Pout
RL
IN
RL
OUT
Conditions
––
––
––
––
Pin = –8dBm
––
––
Target Value
Min.
2.7
––
––
––
––
––
––
Typ.
3.6
26
933
25
+13
14
6
Max.
5.0
––
1100
––
––
––
––
Unit
V
mA
MHz
dB
dBm
dB
dB
Remark:
Electrical characteristics depend on external circuits (elements) or status of mounting.
The above characteristics are measured by the test circuit in the next page.
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