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TL497A - SWITCHING VOLTAGE REGULATORS

General Description

ordering information D, N, OR PW PACKAGE (TOP VIEW) COMP INPUT INHIBIT FREQ CONTROL SUBSTRATE GND CATHODE ANODE 1 2 3 4 5 6 7 14 VCC 13 CUR LIM SENS 12 BASE DRIVE† 11 BASE† 10 COL OUT 9 NC 8 EMIT OUT NC No internal connection † BASE (11) and BASE DRIVE (12) are used for device testing

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Full PDF Text Transcription (Reference)

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ą TL497A 500ĆmA PEAK STEPĆUP, STEPĆDOWN, INVERTING SWITCHING VOLTAGE REGULATOR SLVS009F − JUNE 1976 − REVISED FEBRUARY 2005 D High Efficiency . . . 60% or Greater D Peak Switch Current . . . 500 mA D Input Current Limit Protection D TTL-Compatible Inhibit D Adjustable Output Voltage D Input Regulation . . . 0.2% Typ D Output Regulation . . . 0.4% Typ D Soft Start-Up Capability D Can be Used in Buck, Boost, and Inverting Configurations description/ordering information D, N, OR PW PACKAGE (TOP VIEW) COMP INPUT INHIBIT FREQ CONTROL SUBSTRATE GND CATHODE ANODE 1 2 3 4 5 6 7 14 VCC 13 CUR LIM SENS 12 BASE DRIVE† 11 BASE† 10 COL OUT 9 NC 8 EMIT OUT NC − No internal connection † BASE (11) and BASE DRIVE (12) are used for device testing only.