LTC3561A Overview
Description
The LTC®3561A is a constant frequency, synchronous step-down DC/DC converter. Intended for medium power applications, it operates from a 2.5V to 5.5V input voltage range and has a user configurable operating frequency up to 4MHz, allowing the use of tiny, low cost capacitors and inductors 1mm or less in height.
Key Features
- Uses Tiny Capacitors and Inductor
- High Frequency Operation: Up to 4MHz
- Low RDS(ON) Internal Switches: 0.15Ω
- High Efficiency: Up to 96%
- Stable with Ceramic Capacitors
- Current Mode Operation for Excellent Line and Load Transient Response
- Short-Circuit Protected
- Low Dropout Operation: 100% Duty Cycle
- Low Shutdown Current: IQ ≤ 1µA
- Low Quiescent Current: 330µA
