LTC3544B
LTC3544B is Quad Synchronous Step-Down Regulator manufactured by Linear Technology.
Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
Features
- High Efficiency: Up to 95%
- Four Independent Regulators Provide Up to 300mA,
200mA, 200mA and 100mA Output Current
- 2.25V to 5.5V Input Voltage Range
- 2.25MHz Constant Frequency Operation
- No Schottky Diodes Required
- Low Dropout Operation: 100% Duty Cycle
- Pulse Skipping at Low Load for Minimum Ripple
- 0.8V Reference Allows Low Output Voltages
- Shutdown Mode Draws <1µA Supply Current
- Current Mode Operation for Excellent Line and Load
Transient Response
- Overtemperature Protected
- Low Profile (3mm × 3mm) 16-Lead QFN Package
Applications
- Cellular Telephones
- Personal Information...
