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MC33169 Datasheet

GaAs POWER AMPLIFIER SUPPORT IC

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GaAs Power Amplifier
Support IC
The MC33169 is a support IC for GaAs Power Amplifier Enhanced FETs
used in hand–held telephones such as GSM and PCS. This device provides
negative voltages for full depletion of Enhanced MESFETs as well as a
priority management system of drain switching, ensuring that the negative
voltage is always present before turning “on” the Power Amplifier. Additional
features include an idle mode input and a direct drive of the N–Channel drain
switch transistor. This product is available in a 4.0 V version intended for
control of the RF Power Amplifier in GSM, DCS1800 and PCS applications.
Negative Regulated Output for Full Depletion of GaAs MESFETs
Drain Switch Priority Management Circuit
CMOS Compatible Inputs
Idle Mode Input (Standby Mode) for Very Low Current Consumption
Output Signal Directly Drives N–Channel FET
Low Startup and Operating Current
Order this document by MC33169/D
MC33169
GaAs POWER AMPLIFIER
SUPPORT IC
SEMICONDUCTOR
TECHNICAL DATA
14
1
DTB SUFFIX
PLASTIC PACKAGE
CASE 948G
(TSSOP–14)
PIN CONNECTIONS
Simplified Block Diagram
VBB Double
+ C3
12
+–
–+
C1 2 C2 1
VCC
14
VBB 11 3
Triple –+C4
Tx Power
Control 9
Input
13
Idle
Mode Input
Gnd 6
VBB
Generator
(Voltage Tripler)
MC33169
Priority
Management
Sense
Charge
Pump
Negative
Generator
8
Gate Drive Output
+
VBattery
(2.7 to 7.0 V)
MMSF4N01HD
RF
In
Power Amplifier
10
Sense Input
RF
Out
7 –+ 5
Cp
4
VO
Output
(– 4.0 V)
–+
Ci
+ Cf
Rf
This device contains 148 active transistors.
C2 Input 1
C1/C2 2
C1 Input 3
VO Output 4
VO Charge Pump
Capacitor+
5
Gnd 6
VO Charge Pump
Capacitor–
7
14 VCC
13 Idle Mode Input
12 VBB Double
11 VBB Triple
10 Sense Input
9
Tx Power
Control Input
8 Gate Drive Output
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC33169DTB–4.0 TA = –40° to +85°C TSSOP–14
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1998
Rev 2
1


Motorola Electronic Components Datasheet

MC33169 Datasheet

GaAs POWER AMPLIFIER SUPPORT IC

No Preview Available !

MC33169
MAXIMUM RATINGS
Rating
Pin Symbol
Value
Unit
Power Supply Voltage
Tx Power Control Input
Idle Mode Input
Sense Input
Negative Generator Output Source Current
Charge Pump Capacitor Current
Diode Forward Current
Gate Drive Output Current
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation @ TA = 50°C
Thermal Resistance, Junction–to–Air
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
NOTE: ESD data available upon request.
14
9
13
10
4
8
VCC
VTx
Vi
VSense
ISS
Imax
IFmax
IGO
9.5
VCC
VCC
–5.0 to 0
20
60
60
5.0
V
V
V
V
mA
mA
mA
mA
PD
RθJA
TJ
TA
Tstg
417
240
+150
–40 to +85
–60 to +150
mW
°C/W
°C
°C
°C
MC33169–4.0
ELECTRICAL CHARACTERISTICS (VCC = 4.8 V. For typical values TA = 25°C, for min/max values TA is the operating
ambient temperature range that applies, unless otherwise noted.)
Characteristic
Pin Symbol Min Typ Max
VBB GENERATOR (VOLTAGE TRIPLER)
Oscillator Frequency
Oscillator Duty Cycle
– fosc 90 100 110
– DC 35 50 65
Output Voltage (VCC = 3.0 V, IO = 3.0 mA) Double Voltage
Output Voltage (VCC = 3.0 V, IO = 3.0 mA) Triple Voltage
Output Voltage (VCC = 7.2 V, IO = 3.0 mA) Triple Voltage
12
11
11
VBBD
VBBT
VBBT
4.6 5.0
6.1 7.0
– 11.2
NEGATIVE GENERATOR OUTPUT
Output Voltage (IO = 3.0 mA)
4 VO –3.75 –4.0 –4.25
Output Voltage Ripple with Filter (Rf = 33 , Cf = 4.7 µF)
(IO = 0 to 5.0 mA)
4
Vr
– 2.0 –
PRIORITY MANAGEMENT SECTION
Idle Mode Input
Input Voltage High State (Logic 1)
Input Voltage Low State (Logic 0)
Input Current High State (Logic 1)
Input Current Low State (Logic 0), i.e. Standby Mode
13
VIH
VIL
IIH
IIL
2.0 – VCC+0.2
0 – 0.5
10 – 80
– – 1.0
Tx Power Control Input
Input Voltage Range
Input Voltage “Off” State (Zero RF Output Level)
Input Voltage “On” State (Maximum RF Output Level)
Input Resistance
Bandwidth (– 3.0 dB)
9
VTx
VTx(off)
VTx(on)
Rin
B
0
– 3.1
0.7 –
2.7 –
90 –
1.0 –
Gate Drive Output
Voltage (VTx = 0 V)
Voltage (VTx = 3.0 V)
Peak Current (Source and Sink) (VTx = 3.0 V)
Undervoltage Lockout Voltage on Sense Input (Magnitude)
TOTAL DEVICE POWER CONSUMPTION
ICC Operating (VTx = 3.0 V, IO = 3.0 mA)
ICC Operating (VTx = 0 V, IO = 3.0 mA)
ICC Operating (VTx = 0 V, IO = 0 mA)
Standby Mode (Idle Mode Input = 0 V)
8
10
VGO
IGO
Vsense
VCC+2.7
–3.0
3.0
–3.2
ICC – 10
ICC – 12
– 4.0
ICC – –
0.5
15
15
5.0
1.0
Unit
kHz
%
V
V
mVpp
V
V
µA
µA
V
V
V
k
MHz
V
mA
V
mA
mA
µA
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC33169
Description GaAs POWER AMPLIFIER SUPPORT IC
Maker Motorola
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MC33169 Datasheet PDF





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