LTC1261
TYPICAL APPLICATION
5V Input, – 0.5V Output GaAs FET Bias Generator
VBAT
SHUTDOWN
5V
1µF
0.1µF
1 VCC
SHDN 8
2 C1+
REG 7
3
LTC1261
C2–
OUT
6
4 GND
ADJ 5
P-CHANNEL
POWER SWITCH
42.2k 10k
100pF
12.4k
–0.5V BIAS
5.5%
+ 3.3µF
GaAs
TRANSMITTER
LTC1261 • TA08
RELATED PARTS
PART NUMBER
LTC1550/LTC1551
LTC1429
LT1121
DESCRIPTION
Low Noise Switched Capacitor Regulated Voltage Inverter
Clock Synchronized Switched Capacitor Regulated Voltage Inverter
Micropower Low Dropout Regulators with Shutdown
COMMENTS
GaAs FET Bias with Linear Regulator 1mV Ripple
GaAs FET Bias
0.4V Dropout Voltage at 150mA, Low Noise,
Switched Capacitor Regulated Voltage Inverter
18 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas,
(408) 432-1900 ● FAX: (408) 434-0507
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www.linear.com/LTC1261
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LT 0313 REV B • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2013