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MC34163 Datasheet(PDF) 1 Page - ON Semiconductor |
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MC34163 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2005 October, 2005 − Rev. 5 1 Publication Order Number: MC34163/D MC34163, MC33163 3.4 A, Step−Up/Down/ Inverting Switching Regulators The MC34163 series are monolithic power switching regulators that contain the primary functions required for dc−to−dc converters. This series is specifically designed to be incorporated in step−up, step−down, and voltage−inverting applications with a minimum number of external components. These devices consist of two high gain voltage feedback comparators, temperature compensated reference, controlled duty cycle oscillator, driver with bootstrap capability for increased efficiency, and a high current output switch. Protective features consist of cycle−by−cycle current limiting, and internal thermal shutdown. Also included is a low voltage indicator output designed to interface with microprocessor based systems. These devices are contained in a 16 pin dual−in−line heat tab plastic package for improved thermal conduction. Features • Output Switch Current in Excess of 3.0 A • Operation from 2.5 V to 40 V Input • Low Standby Current • Precision 2% Reference • Controlled Duty Cycle Oscillator • Driver with Bootstrap Capability for Increased Efficiency • Cycle−by−Cycle Current Limiting • Internal Thermal Shutdown Protection • Low Voltage Indicator Output for Direct Microprocessor Interface • Heat Tab Power Package • Moisture Sensitivity Level (MSL) Equals 1 • Pb−Free Packages are Available* 16 9 10 11 12 13 14 15 8 7 6 5 4 3 2 Control Logic and Thermal Shutdown LVI OSC + + − Voltage Feedback 2 Voltage Feedback 1 GND Timing Capacitor VCC Ipk Sense Bootstrap Input Switch Emitter GND Switch Collector Driver Collector + + + ILimit VFB Figure 1. Representative Block Diagram (Bottom View) − + + + − 1 LVI Output This device contains 114 active transistors. 116 15 14 13 12 11 10 9 2 3 4 5 6 7 8 (Top View) LVI Output Voltage Feedback 2 Voltage Feedback 1 GND Timing Capacitor VCC Ipk Sense Bootstrap Input Switch Emitter GND Switch Collector Driver Collector PIN CONNECTIONS See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet. ORDERING INFORMATION MARKING DIAGRAMS x = 3 or 4 A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package PDIP−16 P SUFFIX CASE 648C 1 16 SOIC−16W DW SUFFIX CASE 751G http://onsemi.com 16 1 MC3x163DW AWLYYWWG 16 1 MC3x163P AWLYYWWG 16 1 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. |
Similar Part No. - MC34163_05 |
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Similar Description - MC34163_05 |
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