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ACE259633WM+H Fiches technique(PDF) 1 Page - ACE Technology Co., LTD. |
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ACE259633WM+H Fiches technique(HTML) 1 Page - ACE Technology Co., LTD. |
1 / 11 page ACE2596 Technology 150KHz 3A Buck DC-DC Converter VER 1.2 1 Description The ACE2596 series of regulators are fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3A load with excellent line and load regulation. These regulators include internal frequency compensation and a fixed frequency oscillator so that they are easy to use. A system adopting ACE2596 requires a minimum number of external components to work. A standard series of inductors, optimized for use with the ACE2596 series, are available from several manufacturers. This feature greatly simplifies the design of switch-mode power supplies. These ICs are available in TO-263-5 packages. Features • 3.3V, 5V, 12V Fixed(±4% Tolerance) and Adjustable (±3% Tolerance) Output Versions • Guaranteed 3A Output Load Current • 150kHz Fixed Frequency Internal Oscillator • Input Voltage Range up to 32V • Requires only 4 external components • High Efficiency up to 90% • Excellent Line and Load Regulation • TTL Shutdown Capability • Low Power Standby Mode, I Q Typically 80μA • Built-in Current Limit Protection and Thermal Shutdown Circuit Application • LCD Monitor and LCD TV • On-Card DC-DC Converter • DVD Recorder • PDP Absolute Maximum Ratings Parameter Symbol Max Unit Input voltage VIN 40 V ON/OFF Pin Voltage VON/OFF 40 V Feedback Pin Voltage VFB 40 V Operating Junction Temperature TJ 150 OC Thermal Resistance (Junction to Ambient, No Heatsink) TO-263-5 RθJA 60 OC/W Lead Temperature (Soldering, 10sec) TLEAD 260 OC Storage Temperature Range TSTG -65 to150 OC Note : Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device ate these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. |
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