LTC3422
Linear Technology
The LTC3422 is a high efficiency, current mode, fixed frequency, step up DC/DC converter with true output disconnect and inrush current limiting.
Design DocumentAnalog
LTC3422 Synchronous Boost Converter Demonstration Circuit 860 Quick Start Guide
Quick start guide for the DC860A featuring the LTC3422 synchronous boost converter. It provides 3.3V at 600mA from a 1.8V to 3.0V input.
Overview
Demonstration circuit 860 (DC860A) is a 1.5A, 1MHz synchronous boost converter featuring the LTC3422EDD. The circuit is designed to produce a fixed 3.3V output at 600mA from an input voltage range of 1.8V to 3.0V. The LTC3422 is a high-efficiency, current mode step-up DC/DC converter that includes true output disconnect and inrush current limiting. It features a 0.20Ω N-channel MOSFET switch and a 0.24Ω P-channel MOSFET synchronous rectifier. This document provides performance specifications, a quick start procedure for equipment setup, and measurement techniques for evaluating output ripple and regulation.
Use Cases
- Portable electronic devices
- Battery-powered systems
- Handheld instruments
- 1.8V to 3.3V power conversion
- Low-power wireless transceivers
Topics
LTC3422
LTC3422EDD
DC860A
synchronous boost converter
step-up DC/DC converter
Burst Mode
output disconnect
1.5A switch
3.3V regulator
Referenced Parts
LTC3422EDD
Linear Technology
Demonstration circuit 860 is a 1.5A, 1MHz Synchronous Boost Converter featuring the LTC3422EDD.
| LTC3422 | Linear Technology | The LTC3422 is a high efficiency, current mode, fixed frequency, step up DC/DC converter with true output disconnect and inrush current limiting. |
| LTC3422EDD | Linear Technology | Demonstration circuit 860 is a 1.5A, 1MHz Synchronous Boost Converter featuring the LTC3422EDD. |