This document introduces the LTC3833 high performance synchronous step-down DC/DC controller, which has the characteristics of high power, high efficiency, high accuracy, high step-down ratio, fast transient performance and low EMI. It can be widely used in various electronic products.
This document is a technical datasheet for the Linear Technology LTC3833, a high-performance synchronous step-down DC/DC controller. The device regulates output voltage with 0.67% accuracy and supports switching frequencies up to 2MHz.
Key features include a 20ns minimum on-time enabling high step-down ratios at high frequencies, fast transient performance via controlled-on-time architecture, and true remote differential output sensing for accurate regulation in distributed systems.
| Output Voltage Accuracy | 0.67% |
|---|---|
| Maximum Switching Frequency | 2MHz |
| Minimum On-Time | 20ns |
| Input Voltage Range | 4.5V to 38V |
| Output Voltage Range | 0.6V to 5.5V |
| Package Types | 20-pin QFN, TSSOP |
The LTC3833 features a 20ns minimum on-time, enabling high step-down ratios at high frequencies.
It uses a sophisticated controlled-on-time architecture that allows it to respond to load steps immediately without waiting for the next switching cycle.
Yes, it features true remote differential output sensing to enable accurate regulation even in high power distributed systems.