Product Summary

The LTC1983-3 and LTC1983-5 are inverting charge pump DC/DC converters that produce negative regulated outputs. The parts require only three tiny external capacitors and can provide up to 100mA of output current. The devices can operate in open loop mode (creating a -VIN supply) or regulated output mode depending on the input supply voltage and the output current.

The LTC1983-3/LTC1983-5 have many useful features for portable applications including very low quiescent current (25μA typical) and a zero current shutdown mode programmed through the SHDN pin.

The LTC1983-3/LTC1983-5 are over-temperature and short-circuit protected. The parts are available in a 6-pin low profile (1mm) ThinSOT package.



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Features

Fixed Output Voltages: -3V, -5V or Low Noise VIN to -VIN Inverted Output
±4% Output Voltage Accuracy
Low Quiesient Current: 25μA
100mA Output Current Capability
2.3V to 5.5V Operating Voltage Range
Internal 900kHz Oscillator
"Zero Current" Shutdown
Short-Circuit and Over-Temperature Protected
Low Profile (1mm) ThinSOT? Package

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC1983ES6-5#TRPBF
LTC1983ES6-5#TRPBF


IC REG SWITCHD CAP INV -5V SOT23

Data Sheet

0-2500: $1.10
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC1040
LTC1040

Other


Data Sheet

Negotiable 
LTC1040CN
LTC1040CN


IC COMPARATOR LOW PWR DUAL 18DIP

Data Sheet

0-3240: $1.32
LTC1040CN#PBF
LTC1040CN#PBF


IC COMPARATOR LOW PWR DUAL 18DIP

Data Sheet

0-1: $2.33
1-25: $1.55
25-100: $1.32
LTC1040CSW
LTC1040CSW


IC COMPARATOR LOW PWR DUAL18SOIC

Data Sheet

0-2720: $1.71
LTC1040CSW#PBF
LTC1040CSW#PBF


IC COMPARATOR LOW PWR DUAL18SOIC

Data Sheet

0-280: $1.71
LTC1040CSW#TR
LTC1040CSW#TR


IC COMPARATOR DUAL LOWPWR 18SOIC

Data Sheet

0-3000: $1.74