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NCV1117ST25T3 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCV1117ST25T3 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 16 page ![]() © Semiconductor Components Industries, LLC, 2004 July, 2004 − Rev. 11 1 Publication Order Number: NCP1117/D NCP1117, NCV1117 1.0 A Low−Dropout Positive Fixed and Adjustable Voltage Regulators The NCP1117 series are low dropout positive voltage regulators that are capable of providing an output current that is in excess of 1.0 A with a maximum dropout voltage of 1.2 V at 800 mA over temperature. This series contains eight fixed output voltages of 1.5 V, 1.8 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V that have no minimum load requirement to maintain regulation. Also included is an adjustable output version that can be programmed from 1.25 V to 18.8 V with two external resistors. On chip trimming adjusts the reference/output voltage to within ±1.0% accuracy. Internal protection features consist of output current limiting, safe operating area compensation, and thermal shutdown. The NCP1117 series can operate with up to 20 V input. Devices are available in SOT−223 and DPAK packages. Features • Output Current in Excess of 1.0 A • 1.2 V Maximum Dropout Voltage at 800 mA Over Temperature • Fixed Output Voltages of 1.5 V, 1.8 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V • Adjustable Output Voltage Option • No Minimum Load Requirement for Fixed Voltage Output Devices • Reference/Output Voltage Trimmed to ±1.0% • Current Limit, Safe Operating and Thermal Shutdown Protection • Operation to 20 V Input • NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes • Pb−Free Packages are Available Applications • Consumer and Industrial Equipment Point of Regulation • Active SCSI Termination for 2.85 V Version • Switching Power Supply Post Regulation • Hard Drive Controllers • Battery Chargers 10 mF 1 2 Output 10 mF 3 Input NCP1117 XTXX ++ Figure 1. Fixed Output Regulator 10 mF 1 2 Output 10 mF 3 Input NCP1117 XTA ++ Figure 2. Adjustable Output Regulator 22 mF 1 2 10 mF 3 NCP1117 XT285 ++ 110 W 110 W 110 W 110 W 4.75 V to 5.25 V + 18 to 27 Lines Figure 3. Active SCSI Bus Terminator TYPICAL APPLICATIONS SOT−223 ST SUFFIX CASE 318H 1 3 DPAK DT SUFFIX CASE 369C Pin: 1. Adjust/Ground 2. Output 3. Input 1 3 Heatsink tab is connected to Pin 2. See detailed ordering and shipping information in the package dimensions section on pages 11 and 12 of this data sheet. ORDERING INFORMATION See general marking information in the device marking section on page 13 of this data sheet. DEVICE MARKING INFORMATION 1 23 1 2 3 Tab Tab (Top View) (Top View) http://onsemi.com |
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