LTC1261L
LTC1261L
PRODUCTIONSwitched Capacitor Regulated Voltage Inverter
- Part Models
- 24
- 1ku List Price
- Starting From $3.14
Viewing:
Overview
- Regulated Negative Voltage from a Single Positive Supply
- REG Pin Indicates Output is in Regulation
- Adjustable or Fixed Output Voltages
- Output Regulation: ±3.5%
- Supply Current: 650µA Typ
- Shutdown Mode Drops Supply Current to 5µA
- Up to 20mA Output Current
- Requires Only Three or Four External Capacitors
- Available in MS8 and SO-8 Packages
The LTC1261L is a switched-capacitor voltage inverter designed to provide a regulated negative voltage from a single positive supply. The LTC1261L operates from a single 2.7V to 5.25V supply and provides an adjustable output voltage from -1.23V to ±5V. The LTC1261L-4/LTC1261L-4.5 needs a single 4.5V to 5.25V supply and provides a fixed output voltage of -4V to -4.5V respectively. Three external capacitors are required: a 0.1µF flying capacitor and an input and output bypass capacitors. An optional compensation capacitor at ADJ (COMP) can be used to reduce the output voltage ripple.
Each version of the LTC1261L will supply up to 20mA output current with guaranteed output regulation of ±3.5%. The LTC1261L includes an open-drain REG output that pulls low when the output is within 5% of the set value. Quiescent current is typically 650µA when operating and 5µA in shutdown.
The LTC1261L is available in 8-pin MSOP and SO packages.
Applications
- GaAs FET Bias Generators
- Negative Supply Generators
- Battery-Powered Systems
- Single Supply Applications
Documentation
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 |
|---|---|---|---|
| LTC1261LCMS8#PBF | 8-Lead MSOP | ||
| LTC1261LCMS8#TRPBF | 8-Lead MSOP | ||
| LTC1261LCMS8-4#PBF | 8-Lead MSOP | ||
| LTC1261LCMS8-4#TRPBF | 8-Lead MSOP | ||
| LTC1261LCMS8-4.5#PBF | 8-Lead MSOP | ||
| LTC1261LCMS8-4.5#TRPBF | 8-Lead MSOP | ||
| LTC1261LCS8#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LCS8#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LCS8-4#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LCS8-4#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LCS8-4.5#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LCS8-4.5#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LIMS8#PBF | 8-Lead MSOP | ||
| LTC1261LIMS8#TRPBF | 8-Lead MSOP | ||
| LTC1261LIMS8-4#PBF | 8-Lead MSOP | ||
| LTC1261LIMS8-4#TRPBF | 8-Lead MSOP | ||
| LTC1261LIMS8-4.5#PBF | 8-Lead MSOP | ||
| LTC1261LIMS8-4.5#TRPBF | 8-Lead MSOP | ||
| LTC1261LIS8#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LIS8#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LIS8-4#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LIS8-4#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LIS8-4.5#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1261LIS8-4.5#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jun 5, 2024 - 24_0003 Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2) |
||
| LTC1261LCMS8#PBF | PRODUCTION | |
| LTC1261LCMS8#TRPBF | PRODUCTION | |
| LTC1261LCMS8-4#PBF | PRODUCTION | |
| LTC1261LCMS8-4#TRPBF | PRODUCTION | |
| LTC1261LCMS8-4.5#PBF | PRODUCTION | |
| LTC1261LCMS8-4.5#TRPBF | PRODUCTION | |
| LTC1261LIMS8#PBF | PRODUCTION | |
| LTC1261LIMS8#TRPBF | PRODUCTION | |
| LTC1261LIMS8-4#PBF | PRODUCTION | |
| LTC1261LIMS8-4#TRPBF | PRODUCTION | |
| LTC1261LIMS8-4.5#PBF | PRODUCTION | |
| LTC1261LIMS8-4.5#TRPBF | PRODUCTION | |
|
Feb 3, 2020 - 20_0128 Laser Top Mark for 8 Lead MSOP Packages Assembled in ADPG and UTAC |
||
| LTC1261LCMS8#PBF | PRODUCTION | |
| LTC1261LCMS8#TRPBF | PRODUCTION | |
| LTC1261LCMS8-4#PBF | PRODUCTION | |
| LTC1261LCMS8-4#TRPBF | PRODUCTION | |
| LTC1261LCMS8-4.5#PBF | PRODUCTION | |
| LTC1261LCMS8-4.5#TRPBF | PRODUCTION | |
| LTC1261LIMS8#PBF | PRODUCTION | |
| LTC1261LIMS8#TRPBF | PRODUCTION | |
| LTC1261LIMS8-4#PBF | PRODUCTION | |
| LTC1261LIMS8-4#TRPBF | PRODUCTION | |
| LTC1261LIMS8-4.5#PBF | PRODUCTION | |
| LTC1261LIMS8-4.5#TRPBF | PRODUCTION | |
|
Oct 24, 2024 - 24_0246 Migrating Bottom Trace Code Marking to Top Side Laser Marking for SOIC_N Package |
||
| LTC1261LCS8#PBF | PRODUCTION | |
| LTC1261LCS8#TRPBF | PRODUCTION | |
| LTC1261LCS8-4#PBF | PRODUCTION | |
| LTC1261LCS8-4#TRPBF | PRODUCTION | |
| LTC1261LCS8-4.5#PBF | PRODUCTION | |
| LTC1261LCS8-4.5#TRPBF | PRODUCTION | |
| LTC1261LIS8#PBF | PRODUCTION | |
| LTC1261LIS8#TRPBF | PRODUCTION | |
| LTC1261LIS8-4#PBF | PRODUCTION | |
| LTC1261LIS8-4#TRPBF | PRODUCTION | |
| LTC1261LIS8-4.5#PBF | PRODUCTION | |
| LTC1261LIS8-4.5#TRPBF | PRODUCTION | |
|
Oct 12, 2022 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2) |
||
| LTC1261LCS8#PBF | PRODUCTION | |
| LTC1261LCS8#TRPBF | PRODUCTION | |
| LTC1261LCS8-4#PBF | PRODUCTION | |
| LTC1261LCS8-4#TRPBF | PRODUCTION | |
| LTC1261LCS8-4.5#PBF | PRODUCTION | |
| LTC1261LCS8-4.5#TRPBF | PRODUCTION | |
| LTC1261LIS8#PBF | PRODUCTION | |
| LTC1261LIS8#TRPBF | PRODUCTION | |
| LTC1261LIS8-4#PBF | PRODUCTION | |
| LTC1261LIS8-4#TRPBF | PRODUCTION | |
| LTC1261LIS8-4.5#PBF | PRODUCTION | |
| LTC1261LIS8-4.5#TRPBF | PRODUCTION | |
|
Jun 16, 2021 - 21_0026 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM |
||
| LTC1261LCS8#PBF | PRODUCTION | |
| LTC1261LCS8#TRPBF | PRODUCTION | |
| LTC1261LCS8-4#PBF | PRODUCTION | |
| LTC1261LCS8-4#TRPBF | PRODUCTION | |
| LTC1261LCS8-4.5#PBF | PRODUCTION | |
| LTC1261LCS8-4.5#TRPBF | PRODUCTION | |
| LTC1261LIS8#PBF | PRODUCTION | |
| LTC1261LIS8#TRPBF | PRODUCTION | |
| LTC1261LIS8-4#PBF | PRODUCTION | |
| LTC1261LIS8-4#TRPBF | PRODUCTION | |
| LTC1261LIS8-4.5#PBF | PRODUCTION | |
| LTC1261LIS8-4.5#TRPBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Can't find the software or driver you need?
Request a Driver/SoftwareTools & Simulations
LTspice
Models for the following parts are available in LTspice:
- LTC1261
- LTC1261CS8
- LTC1261CS8-4
- LTC1261CS8-4.5
- LTC1261LCS8
- LTC1261LCS8-4
- LTC1261LCS8-4.5
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.