LT1054C(RevD) Просмотр технического описания (PDF) - Linear Technology
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LT1054C Datasheet PDF : 16 Pages
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LT1054/LT1054L
TYPICAL APPLICATIONS N
VOUT
8V
50mA
100µF
Positive Doubler with Regulation
VIN = 5V
1N5817
50k
10µF
FB/SHDN V+
2µF
1N5817
5.5k
10k
0.03µF
10k
5V
–
CAP+ OSC
LT1054
GND VREF
CAP – VOUT
10k
LT1006
2.5k
+
0.1µF
LT1054 • TA13
Negative Doubler with Regulator
10µF
10µF
VIN
3.5V TO 15V
FB/SHDN V+
CAP+ OSC
LT1054
GND VREF
CAP – VOUT
1N4001
2µF
R1, 20k
100µF
R2
1M
1N4001
0.002µF
–VOUT
VIN = 3.5V TO 15V
100µF
VOUT(MAX) ≈ –2VIN + (VL + 2VDIODE)
VL = LT1054 VOLTAGE LOSS
) ) R2=
R1
|VOUT| + 1
VREF
2
–
40mV
=
|VOUT|
1.21V
+
1
, REFER TO FIGURE 5
LT1054 • TA14
THE TYPICAL APPLICATIONS CIRCUITS WERE VERIFIED USING THE STANDARD LT1054. FOR S8 APPLICATIONS
ASSISTANCE IN ANY OF THE UNUSUAL APPLICATIONS CIRCUITS PLEASE CONSULT THE FACTORY
RELATED PARTS
PART NUMBER
LTC1144
LTC1514/LTC1515
LT1611
LT1614
DESCRIPTION
Switched-Capacitor Voltage Converter
Step-Up/Step-Down Switched Capacitor DC/DC Converters
Micropower Inverting DC/DC Converter
Micropower Inverting DC/DC Converter
COMMENTS
Wide Input Voltage Range, 2V to 18V
Regulated 5V Doublers
150mA Output
250mA Output
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
1054ld LT/TP 1298 2K REV D • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1987
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