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MC33470DW bảng dữ liệu(PDF) 1 Page - ON Semiconductor |
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1 / 16 page MC33470 DW SUFFIX PLASTIC PACKAGE CASE 751D (SO–20L) 20 1 Device Operating Temperature Range Package ORDERING INFORMATION MC33470DW SO–20L TA = 0° to +75°C Order this document by MC33470/D SYNCHRONOUS RECTIFICATION DC/DC CONVERTER PROGRAMMABLE INTEGRATED CONTROLLER SEMICONDUCTOR TECHNICAL DATA PIN CONNECTIONS 13 7 4 3 AGnd OT Fault Pwrgd VID4 VID3 VID2 VID1 VID0 11 12 14 15 16 17 18 10 9 8 6 5 (Top View) Compensation SS Ifb Imax Sense VCC PGnd 1 G2 OUTEN G1 19 20 2 PV CC 1 MOTOROLA ANALOG IC DEVICE DATA Synchronous Rectification DC/DC Converter Programmable Integrated Controller The MC33470 is a digitally programmable switching voltage regulator, specifically designed for Microprocessor supply, Voltage Regulator Module and general purpose applications, to provide a high power regulated output voltage using a minimum of external parts. A 5–bit digital–to–analog converter defines the dc output voltage. This product has three additional features. The first is a pair of high speed comparators which monitor the output voltage and expedite the circuit response to load current changes. The second feature is a soft start circuit which establishes a controlled response when input power is applied and when recovering from external circuit fault conditions. The third feature is two output drivers which provide synchronous rectification for optimum efficiency. This product is ideally suited for computer, consumer, and industrial equipment where accuracy, efficiency and optimum regulation performance is desirable. MC33470 Features: • 5–Bit Digital–to–Analog Converter Allows Digital Control of Output Voltage • High Speed Response to Transient Load Conditions • Output Enable Pin Provides On/Off Control • Programmable Soft Start Control • High Current Output Drives for Synchronous Rectification • Internally Trimmed Reference with Low Temperature Coefficient • Programmable Overcurrent Protection • Overvoltage Fault Indication • Functionally Similar to the LTC1553 © Motorola, Inc. 1999 Rev 1 |
Số phần tương tự - MC33470DW |
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Mô tả tương tự - MC33470DW |
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