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CS5173 Datasheet(PDF) 1 Page - ON Semiconductor |
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CS5173 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 22 page © Semiconductor Components Industries, LLC, 2004 June, 2004 − Rev. 20 1 Publication Order Number: CS5171/D CS5171, CS5172, CS5173, CS5174 1.5 A 280 kHz/560 kHz Boost Regulators The CS5171/2/3/4 products are 280 kHz/560 kHz switching regulators with a high efficiency, 1.5 A integrated switch. These parts operate over a wide input voltage range, from 2.7 V to 30 V. The flexibility of the design allows the chips to operate in most power supply configurations, including boost, flyback, forward, inverting, and SEPIC. The ICs utilize current mode architecture, which allows excellent load and line regulation, as well as a practical means for limiting current. Combining high frequency operation with a highly integrated regulator circuit results in an extremely compact power supply solution. The circuit design includes provisions for features such as frequency synchronization, shutdown, and feedback controls for either positive or negative voltage regulation. These parts are pin−to−pin compatible with LT1372/1373. Part Number Frequency Feedback Voltage Polarity CS5171 280 kHz positive CS5172 280 kHz negative CS5173 560 kHz positive CS5174 560 kHz negative Features • Pb−Free Packages are Available • Integrated Power Switch: 1.5 A Guaranteed • Wide Input Range: 2.7 V to 30 V • High Frequency Allows for Small Components • Minimum External Components • Easy External Synchronization • Built in Overcurrent Protection • Frequency Foldback Reduces Component Stress During an Overcurrent Condition • Thermal Shutdown with Hysteresis • Regulates Either Positive or Negative Output Voltages • Shut Down Current: 50 mA Maximum • Pin−to−Pin Compatible with LT1372/1373 • Wide Temperature Range ♦ Industrial Grade: −40 °C to 125°C ♦ Commercial Grade: 0 °C to 125°C x = 1, 2, 3, or 4 x = E, G A = Assembly Location L = Wafer Lot Y = Year W = Work Week ORDERING INFORMATION CS5171/3 CS5172/4 SOIC−8 D SUFFIX CASE 751 VCC SS 1 8 AGND Test PGND FB VSW VC PIN CONNECTIONS AND MARKING DIAGRAM VCC SS 1 8 AGND NFB PGND Test VSW VC http://onsemi.com See detailed ordering and shipping information in the package dimensions section on page 17 of this data sheet. |
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