LTC1261 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1261' PDF : 16 Pages View PDF
TYPICAL APPLICATIONS
High Supply Voltage, – 5V Output GaAs FET Bias Generator
8V ≤ VBAT ≤ 12V
1N4733A
5.1V
1µF
SHUTDOWN
0.1µF
0.1µF
14
2
C1+
VCC
SHDN
13
3 C1–
REG 12
4
LTC1261
C2+
OUT
11
5 C2–
ADJ 10
NC 8 R1
R0
7
NC
RADJ 9
GND
6
100pF
P-CHANNEL
POWER SWITCH
10k
–5V BIAS
+ 3.3µF
GaAs
TRANSMITTER
LTC1261 • TA07
LTC1261
Low Output Voltage Generator
5V
1µF
0.1µF
1
VCC ADJ 5
2 C1+
3
LTC1261
C1–
OUT 6
GND
4
100pF
RS
124k
1N5817
VOUT = VCC – 10µA (RS + 124k)
+ 3.3µF
= – 0.5V (RS = 426k)
= –1V (RS = 476k)
LTC1261 • TA10
– 5V Supply Generator
3V ≤ VCC ≤ 7V
1µF
0.1µF
0.1µF
14
2 C1+ VCC ADJ 10
100pF
3 C1–
RADJ 9
4
LTC1261
C2+
R1
8
NC
5 C2–
R0 7 NC
OUT 11
GND
6
–5V 5%
AT 10mA
+ 3.3µF
LTC1261 • TA09
Minimum Parts Count – 4V Generator
5V
1 VCC
SHDN 8
2 C1+
REG 7
1µF
0.1µF
3
LTC1261-4
C1–
OUT
6
4 GND COMP 5
VOUT = –4V
at 10mA
+ 3.3µF
LTC1261 • TA12
For more information www.linear.com/LTC1261
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