LM21305 Overview
The LM21305 is a full featured adjustable frequency synchronous buck regulator capable of delivering up to 5A of continuous output current. The device is optimized to work over the input voltage range of 3V to 18V making it suitable for wide variety of applications. The LM21305 provides 1% output-voltage accuracy and excellent line and fast load transient response for digital loads.
LM21305 Key Features
- Single rail input voltage from 3V to 18V
- Feedback Voltage of 0.6V
- 1% typical output voltage accuracy
- High-efficiency switcher core
- Switching frequency range: 300 kHz to 1.5 MHz
- Resistor programmable switching frequency
- Ability to synchronize switching frequency
- Precision enable
- Internal soft-start to reduce in-rush current
- PGOOD function
LM21305 Applications
- Single rail input voltage from 3V to 18V
