The BL9315 is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to 3.0A of output current. The BL9315 operates from an input voltage range of 2.5V to 5.5V and provides an output voltage from 0.6V to VIN-0.3V, making the device BL9315 ideal for low voltage power conversions. Running at a fixed frequency of 1.5MHz allows the use of small external components, such as ceramic input and output caps, as well as small inductors, while still providing low output ripples. This low noise output along with its excellent efficiency achieved by the internal synchronous rectifier, making BL9315 an ideal green replacement for large power consuming linear regulators.
1、High Efficiency: Up to 95%
2、Capable of Delivering 3.0A
3、1.5MHz Switching Frequency
4、No External Schottky Diode Needed
5、Low dropout 100% Duty operation
6、Internal Compensation and Soft-Start
7、Current Mode control
8、0.6V Reference for Low Output voltages
9、Logic Control Shutdown (IQ<1uA)
10、Over Voltage Protection
11、Short Circuit Protection
12、Thermal shutdown and UVLO
13、Power good indicator
14、Available in ESOP8 package
1、Digital Cameras
2、Set top boxes
3、Wireless and DSL Modems
4、USB supplied Devices in Notebooks
5、Portable Devices
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