LTC1503CMS8-1.8
Linear Technology
evaluation of the LTC1503CMS8-1.8/2 inductorless switching regulator IC
Design DocumentAnalog
DC250A Quick Start Guide: LTC1503 High Efficiency Inductorless Step-Down DC/DC Converter
Quick start guide for the DC250A demo board featuring the LTC1503 switched-capacitor step-down regulator, providing 1.8V/2V output from a 2.4V-6V input at up to 100mA.
Overview
The DC250A Quick Start Guide describes the setup and evaluation of the LTC1503CMS8-1.8 and LTC1503CMS8-2 high-efficiency inductorless (switched-capacitor) step-down DC/DC converters. The demonstration board accepts an input voltage between 2.4V and 6V to produce a regulated 1.8V or 2V output at currents up to 100mA. Key features covered include automatic startup, short-circuit protection, and shutdown control via the SHDN/SS pin. The document also details the implementation of a soft-start circuit using an external capacitor and jumper to limit inrush current during power-up.
Use Cases
- Portable battery-powered electronics
- Low-power step-down conversion
- Space-constrained power management
- Inductor-free voltage regulation
- Point-of-load regulation for microcontrollers
Topics
DC250A
LTC1503
LTC1503CMS8-1.8
LTC1503CMS8-2
inductorless DC/DC converter
switched-capacitor regulator
step-down converter
charge pump
demo board
soft-start
Referenced Parts
LTC1503CMS8-2
Linear Technology
evaluation of the LTC1503CMS8-1.8/2 inductorless switching regulator IC
| LTC1503CMS8-1.8 | Linear Technology | evaluation of the LTC1503CMS8-1.8/2 inductorless switching regulator IC |
| LTC1503CMS8-2 | Linear Technology | evaluation of the LTC1503CMS8-1.8/2 inductorless switching regulator IC |