LT1054 Datasheet, PDF (4/26 Pages) Linear Technology – Switched-Capacitor Voltage Converter with Regulator

LT1054
SWITCHEDĆCAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS
Table of Graphs
Shutdown threshold voltage vs Free-air temperature
Supply current vs Input voltage
Oscillator frequency vs Free-air temperature
Supply current in shutdown vs Input voltage
Average supply current vs Output current
Output voltage loss vs Input capacitance
Output voltage loss vs Oscillator frequency (10 µF)
Output voltage loss vs Oscillator frequency (100 µF)
Regulated output voltage vs Free-air temperature
Reference voltage change vs Free-air temperature
Voltage loss vs Output current
FIGURE
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Table of Figures
Switched-Capacitor Building Block
Switched-Capacitor Equivalent Circuit
Circuit With Load Connected From VCC to VOUT
External-Clock System
Basic Regulation Configuration
Power-Dissipation-Limiting Resistor in Series With CIN
Motor-Speed Servo
Basic Voltage Inverter
Basic Voltage Inverter/Regulator
Negative-Voltage Doubler
Positive-Voltage Doubler
100-mA Regulating Negative Doubler
Dual-Output Voltage Doubler
5-V to ±12-V Converter
Strain-Gage Bridge Signal Conditioner
3.5-V to 5-V Regulator
Regulating 200-mA +12-V to −5-V Converter
Digitally Programmable Negative Supply
Positive Doubler With Regulation (5-V to 8-V Converter)
Negative Doubler With Regulator
FIGURE
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