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ACE721C Datasheet(PDF) 1 Page - ACE Technology Co., LTD. |
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ACE721C Datasheet(HTML) 1 Page - ACE Technology Co., LTD. |
1 / 9 page ACE721C 1.2A 1.5MHz 7V Synchronous Buck Converter VER 1.3 1 Description The ACE721C is a high-efficiency, DC-to-DC step-down switching regulators, capable of delivering up to 1.2A of output current. The device operates from an input voltage range of 2.6V to 7.0V and provides an output voltage from 0.6V to VIN, making the ACE721C 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 ACE721C an ideal green replacement for large power consuming linear regulators. Internal soft-start control circuitry reduces inrush current. Short-circuit and thermal-overload protection improves design reliability. Features High Efficiency: up to 95% Capable of Delivering 1.2A 1.5MHz Switching Frequency No External Schottky Diode Needed Low dropout 100% Duty operation Internal Compensation and Soft-Start Current Mode control 0.6V Reference for Low Output Voltages Logic Control Shutdown (IQ<1uA) Thermal shutdown and UVLO Application Cellular phones Digital Cameras MP3 and MP4 players Set top boxes Wireless and DSL Modems USB supplied Devices in Notebooks Portable Devices |
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