Details, datasheet, quote on part number: STK795-451
PartSTK795-451
Category
DescriptionChopper Type Voltage Regulator
CompanySanyo Semiconductor Corporation
DatasheetDownload STK795-451 datasheet
Quote
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Features, Applications

Features

Self-oscillation type chopper regulator power IC using Sanyo's original IMST (Insulated Metal Substrate Technology) substrate. The STK795, being a 5V chopper IC, is more advantageous in the following points as compared with series regulator (dropper type) ICs. 1. Possible to provide a 5V output power supply circuit with high efficiency. 2. Since the input voltage range is wide, no more than one rectifying/smoothing circuit is required to provide a multi-output power supply circuit which also delivers or 24V output. Functional trimming is used to set 5V output with high accuracy. Cutoff function to cut off output voltage by external signal. Contains a transistor for overcurrent protector (foldback characteristic) and possibel to set the protection level externally.

Specifications

Parameter Maximum DC Input Voltage Maximum Output Current Operating Substrate Temperature Junction Temperature Storage temperature Symbol

Parameter Output Voltage Line Regulation Load Regulation Efficiency Frequency Temperature Coefficient f Symbol VIN=12V, IO=1.5A Conditions Ratings min 4.9 typ max 100 60 Unit mV % kHz

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

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Note) D1 : Schottky barrier diode C. : Beads core, B. C. are used to reduce switching spike noise. TR1 is used to provide overcurrent protection. If no protection is required, remove TR1. A current of 0.5A min. must flow in the load.


 

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