HomedatasheetMC34167T

MC34167T Datasheet

DC/DC Switching Regulators
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Description

The MC34167, MC33167 series are high performance fixedfrequency power switching regulators that contain the primaryfunctions required for dc−to−dc converters. This series wasspecifically designed to be incorporated in step−down andvoltage−inverting configurations with a minimum number of externalcomponents and can also be used cost effectively in step−upapplications.These devices consist of an internal temperature compensatedreference, fixed frequency oscillator with on−chip timing components,latching pulse width modulator for single pulse metering, high gainerror amplifier, and a high current output switch.Protective features consist of cycle−by−cycle current limiting,undervoltage lockout, and thermal shutdown. Also included is a lowpower standby mode that reduces power supply current to 36 A. MC34167T Features • Output Switch Current in Excess of 5.0 A• Fixed Frequency Oscillator (72 kHz) with On−Chip Timing• Provides 5.05 V Output without External Resistor Divider• Precision 2% Reference• 0% to 95% Output Duty Cycle• Cycle−by−Cycle Current Limiting• Undervoltage Lockout with Hysteresis• Internal Thermal Shutdown• Operation from 7.5 V to 40 V• Standby Mode Reduces Power Supply Current to 36 A• Economical 5−Lead TO−220 Package with Two Optional Leadforms• Also Available in Surface Mount D2PAK Package• Moisture Sensitivity Level (MSL) Equals 1• Pb−Free Packages are Available
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Parameters

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Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.


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