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 | Pricing (USD) |
Quantity | |||||||||||
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LTC1983ES6-5#TRPBF |
IC REG SWITCHD CAP INV -5V SOT23 |
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Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||
LTC1040 |
Other |
Data Sheet |
Negotiable |
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LTC1040CN |
IC COMPARATOR LOW PWR DUAL 18DIP |
Data Sheet |
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LTC1040CN#PBF |
IC COMPARATOR LOW PWR DUAL 18DIP |
Data Sheet |
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LTC1040CSW |
IC COMPARATOR LOW PWR DUAL18SOIC |
Data Sheet |
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LTC1040CSW#PBF |
IC COMPARATOR LOW PWR DUAL18SOIC |
Data Sheet |
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LTC1040CSW#TR |
IC COMPARATOR DUAL LOWPWR 18SOIC |
Data Sheet |
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