AiT A713 DC-to-DC Step-down Switching Regulator with High Efficiency of up to 95%, ideal for Low-voltage Power Conversions
The A7131 is a high-efficiency, DC-to-DC step-down switching regulator, capable of delivering up to 3.0A of output current. The A7131 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 A7131 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 makes A7131 an ideal green replacement for large power-consuming linear regulators. Internal soft-start control circuitry reduces inrush current. Short-circuit and thermal-overload protection improve design reliability. The A7131 is available in the PSOP8 package.
ORDERING INFORMATION
FEATURES
High Efficiency: Up to 95%
Capable of Delivering 3.0A
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<1μA)
Over Voltage Protection
Short Circuit Protection
Thermal shutdown and UVLO
Available in PSOP8 Package
APPLICATION
Digital Cameras
Set-top boxes
Wireless and DSL Modems
USB supplied Devices in Notebooks
Portable Devices
ORDERING INFORMATION TYPICAL APPLICATION
PIN DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
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