LINEAR TECHNOLOGY LT1026 Voltage Converter User's Guide
Summary
The LT1026 is a high-performance switched capacitor voltage doubler and inverter engineered to generate both positive and negative dual supplies ($\pm7\text{V}$ to $\pm18\text{V}$) from a single input source ($4\text{V}$ to $10\text{V}$). This innovative chip eliminates the need for bulky inductors, simplifying power interface designs for various electronics. This technical manual provides engineers and electrical designers with comprehensive details, including detailed electrical characteristics, typical performance graphs, maximum ratings, and application guidelines necessary for implementing reliable logic supplies, op-amps, or data acquisition circuits requiring isolated +/- voltages.
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LT1026
Voltage Converter
FEATURES ESCRIPTIO Generates + and – from Single Input The LT®1026 is a switched capacitor voltage doubler and Up to ±18V Output inverter on a single monolithic die. Capable of operating Only Needs Four 1µF Capacitors from a 4V to 10V input, it provides ±7V to ±18V output. No Inductors Output currents of over 10m A are available. Two charge 10m A Output Current Minimum pumps first double the input voltage then invert the Operates Down to 4V doubled voltage. Manufactured in bipolar technology, the No Latchup LT1026 is not susceptible to latchup and generates up to 8-Pin Minidip 36V. The LT1026 offers a convenient way of generating addi-
APPLICATIONS
tional system voltages without using inductors. Powering interface circuits, op amps or data acquisition circuitry off
Line Drivers
logic supplies is simplified. Other Linear Technology
Op Amp Suppliers
voltage converters such as the low power LTC®1044
Battery Splitters
OU TP UT OL TA GE (V
CMOS and 100m A bipolar LT1054 are available.
RS232 Power
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
Voltage Doubler and Inverter Output Voltage
C = 1µF VIN = 5V TA = 25°C
C1– +VOUT +VOUT
C2 LT1026
C2– VIN VIN
–VOUT –VOUT GND
1026 • TA01
LOAD CURRENT (m A)
LT1026 • TA02
Page Summary Contents For LINEAR TECHNOLOGY LT1026 Voltage Converter User's Guide
Manual Details
| Brand | Linear |
|---|---|
| Pages | 8 |
| File Size | 101.76 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What is the minimum input voltage required?
The LT1026 can operate down to a 4V input.
How much current can the device provide?
It provides output currents of over 10mA.
Does it require external inductors for operation?
No, it offers a convenient way of generating voltages without using inductors.
Which package is associated with the LT1026IS8 model?
The LT1026IS8 comes in an 8-Lead Ceramic DIP package.