LTC1517-5
LTC1517-5
PRODUCTIONMicropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package
- Part Models
- 4
- 1ku List Price
- Starting From $3.61
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Overview
- Ultralow Power: ICC = 6µA Typ
- Short-Circuit/Thermal Protected
- 5V ±4% Regulated Output
- VIN Range: 2.7V to 5V
- Output Current:
- 10mA (VIN > 2.7V)
- 20mA (VIN > 3V)
- No Inductors
- Ultrasmall Application Circuit (0.045in2)
- 800kHz Switching Frequency
- Available in 5-Pin SOT-23
The LTC1517-5 is a micropower charge pump DC/DC converter that produces a regulated 5V output. The input voltage range is 2.7V to 5V. Extremely low operating current (typically 6µA with no load) and low external parts count (one 0.1µF flying capacitor and two small bypass capacitors at VIN and VOUT) make the part ideally suited for small, light load battery-powered applications. The total printed circuit board area of the application circuit shown below is only 0.045in2.
The part operates as a Burst Mode™ switched-capacitor voltage doubler to produce a regulated output. The part has thermal shutdown capability and can survive a continuous short circuit from VOUT to GND. The device is available in a 5-pin SOT-23 package.
Applications
- Cellular Telephones
- Battery-Operated Equipment
- Local Power Supplies
- Handheld Instruments
- PCMCIA Supplies
Documentation
Data Sheet 1
User Guide 1
Technical Articles 1
Spec Notice 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTC1517CS5-5#TRMPBF | 5-Lead TSOT-23 | ||
| LTC1517CS5-5#TRPBF | 5-Lead TSOT-23 | ||
| LTC1517ES5-5#TRMPBF | 5-Lead TSOT-23 | ||
| LTC1517ES5-5#TRPBF | 5-Lead TSOT-23 |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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LTspice 1
Models for the following parts are available in LTspice:
- LTC1517-3.3
- LTC1517-5
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
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