SP6659 Overview
The SP6659 is a 600mA synchronous buck regulator using a constant frequency, current mode architecture. The output voltage can be programmed using an external resistor divider. The 2.5V to 5.5V input voltage range is ideal for portable applications that use a Li-Ion battery.
SP6659 Key Features
- 94% Efficiency Possible
- 600mA Output Current at VIN = 3.6V
- 2.5V to 5.5V Input Voltage Range
- 1.5MHz constant frequency operation
- No Schottky Diode Required
- Output Voltages as low as 0.6V
- Slope pensated Current Mode Operation for Excellent Line and Load Transient Response
- 100 % Duty Cycle in LDO Mode
- <1μA Shutdown Current, Quiescent Current of 300 μA
- Over-temperature protected