LM22670 Overview
The LM22670 switching regulator provides all of the functions necessary to implement an efficient highvoltage step-down (buck) regulator using a minimum of external ponents. This easy-to-use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 3 A of load current. Excellent line and load regulation along with high efficiency (> 90%) are featured.
LM22670 Key Features
- 1 Wide Input Voltage Range: 4.5 V to 42 V
- Internally pensated Voltage Mode Control
- Stable With Low ESR Ceramic Capacitors
- 120-mΩ N-channel MOSFET PFM Package
- 100-mΩ N-channel MOSFET SO PowerPAD™-8
- Output Voltage Options
- ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
- ±1.5% Feedback Reference Accuracy
- 500-kHz Default Switching Frequency
- Adjustable Switching Frequency and Synchronization