RT8293ALGSP Richtek USA Inc, RT8293ALGSP Datasheet
RT8293ALGSP
Specifications of RT8293ALGSP
Related parts for RT8293ALGSP
RT8293ALGSP Summary of contents
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Synchronous Step-Down Converter General Description The RT8293A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver output current from a 4.5V to 23V input supply. The RT8293A's current mode architecture and ...
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RT8293A Typical Application Circuit V IN 4.5V to 23V C SS 0.1µ (Exposed Pad) Table 1. Recommended Component Selection V ( OUT 11.8 3 ...
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Function Block Diagram VIN Regulator Shutdown Comparator Lockout Comparator 2. 6µA SS DS8293A-02 December 2010 Internal Oscillator V CC Foldback Control 0. Comparator 0.8V + ...
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RT8293A Absolute Maximum Ratings Supply Voltage, V ---------------------------------------------------------------------------------------- 0.3V to 25V l IN Input Voltage, SW ------------------------------------------------------------------------------------------ 0. ------------------------------------------------------------------------------------------------- 0. BOOT SW Other Pins Voltage ------------------------------------------------------------------------------------------ 0. Power Dissipation, ...
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Parameter Logic-High EN Input Threshold Voltage Logic-Low Input Under Voltage Lockout Threshold Input Under Voltage Lockout Threshold Hysteresis Soft-Start Current Soft-Start Period Thermal Shutdown Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the ...
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RT8293A Typical Operating Characteristics Efficiency vs. Output Current 100 4. 12V 23V 0.5 1 Output Current (A) Reference Voltage vs. ...
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Current Limit vs. Temperature 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 -50 - Temperature (°C) Load Transient Response V OUT (200mV/Div) I OUT (2A/Div 12V OUT Time (100μs/Div) Power On from V ...
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RT8293A Power On from (5V/Div) V OUT (2V/Div (2A/Div 12V Time (5ms/Div) www.richtek.com (5V/Div) V OUT (2V/Div (2A/Div) = 3.3V OUT OUT Power ...
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Application Information The RT8293A is a synchronous high voltage buck converter that can support the input voltage range from 4.5V to 23V and the output current can 3A. Output Voltage Setting The resistive divider allows the FB ...
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RT8293A VIN BOOT 12V RT8293A 10µF EN1 100k EN2 COMP 9 (Exposed Pad) GND Figure 4. The Resistors can be Selected to Set IC ...
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The output ripple determined by : OUT ESR OUT L 8fC OUT The output ripple will be highest at the maximum input voltage since I increases with input voltage. Multiple L capacitors placed in ...
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RT8293A Thermal Considerations For continuous operation, do not exceed the maximum operation junction temperature 125 C. The maximum power dissipation depends on the thermal resistance of IC package, PCB layout, the rate of surroundings airflow and temperature difference between junction ...
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Copper Area = 50mm (e) Copper Area = 70mm Figure 6. Themal Resistance vs. Copper Area Layout Design GND Input capacitor must be placed as close to the IC as possible. V OUT C OUT DS8293A-02 December 2010 Layout ...
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RT8293A Table 3. Suggested Capacitors for C Location Component Supplier MURATA C IN TDK C IN TAIYO YUDEN C IN MURATA C OUT TDK C OUT MURATA C OUT TDK C OUT www.richtek.com 14 and C IN OUT Part No. ...
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Outline Dimension EXPOSED THERMAL PAD (Bottom of Package) Symbol Option 1 Option 2 Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 ...