LT1054IDW datasheet(4/26 Pages) TI

Part #	LT1054IDW

Description	SWITCHED-CAPACITOR VOLTAGE CONVERTERS WITH REGULATORS

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Manufacturer	TI [Texas Instruments]

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LT1054

SWITCHEDCAPACITOR VOLTAGE CONVERTERS

WITH REGULATORS

SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004

4

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

Shutdown threshold voltage vs Free-air temperature

1

Supply current vs Input voltage

2

Oscillator frequency vs Free-air temperature

3

Supply current in shutdown vs Input voltage

4

Average supply current vs Output current

5

Output voltage loss vs Input capacitance

6

Output voltage loss vs Oscillator frequency (10

µF)

7

Output voltage loss vs Oscillator frequency (100

µF)

8

Regulated output voltage vs Free-air temperature

9

Reference voltage change vs Free-air temperature

10

Voltage loss vs Output current

11

Table of Figures

FIGURE

Switched-Capacitor Building Block

12

Switched-Capacitor Equivalent Circuit

13

Circuit With Load Connected From VCC to VOUT

14

External-Clock System

15

Basic Regulation Configuration

16

Power-Dissipation-Limiting Resistor in Series With CIN

17

Motor-Speed Servo

18

Basic Voltage Inverter

19

Basic Voltage Inverter/Regulator

20

Negative-Voltage Doubler

21

Positive-Voltage Doubler

22

100-mA Regulating Negative Doubler

23

Dual-Output Voltage Doubler

24

5-V to

±12-V Converter

25

Strain-Gage Bridge Signal Conditioner

26

3.5-V to 5-V Regulator

27

Regulating 200-mA +12-V to −5-V Converter

28

Digitally Programmable Negative Supply

29

Positive Doubler With Regulation (5-V to 8-V Converter)

30

Negative Doubler With Regulator

31

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