LTC1263 Ver la hoja de datos (PDF) - Linear Technology
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LTC1263 Datasheet PDF : 8 Pages
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LTC1263
APPLICATIONS INFORMATION
desired. (The LTC1263 does not require a 0.1µF capacitor
between VCC and VOUT for stability.)
Besides using it to program flash memories, the LTC1263
can also provide multiple supply voltages with the help of
two diodes and two capacitors. Output voltages of 19V and
– 7V can easily be obtained. In other words, the LTC1263
can power dual supply (±5V) and single supply (15V) op
amps.
TYPICAL APPLICATIONS
Dual Voltage Supply Output at 12V and 19V
0.47µF
0.47µF
1 C1–
SHDN 8
2 C1+
GND 7
LTC1263
3 C2–
VOUT 6
4 C2+
VCC 5
1µF
10µF
10µF
VCC
4.75V TO 5.5V
1N4148*
* FOR LOWER VOLTAGE DROP, USE SCHOTTKY DIODES
** MUST PULL MORE CURRENT OUT OF VOUT THAN V +
VOUT = 12V
IN4148*
V+ = 19V**
1µF
LTC1263 • TA04
Dual Supply Voltage Output at 12V and – 7V
0.47µF
0.47µF
1 C1–
SHDN 8
2 C1+
GND 7
LTC1263
3 C2–
VOUT 6
4 C2+
VCC 5
1µF
1N4148*
10µF
10µF
VCC
4.75V TO 5.5V
VOUT = 12V
IN4148*
1µF
V– = –7V**
LTC1263 • TA05
*FOR LOWER VOLTAGE DROP, USE SCHOTTKY DIODES
**MUST PULL MORE CURRENT OUT OF VOUT THAN V–
0.47µF
0.47µF
Gain of 10 Amplifier Using LT®1006 Powered by LTC1263
1 C1–
SHDN 8
2 C1+
GND 7
LTC1263
3 C2–
VOUT 6
4 C2+
VCC 5
1µF
1N4148*
10µF
10µF
VCC
4.75V TO 5.5V
(12V)
10k
2– 7
VOUT = 12V LT1006
3+
VIN
4
90.1k
6
(VIN)(10)
1N4148*
1µF
* FOR LOWER VOLTAGE DROP, USE SCHOTTKY DIODES
** MUST PULL MORE CURRENT OUT OF VOUT THAN V–
(–7V)**
LTC1263 • TA06
6
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