RT8292BLGSP Richtek USA Inc, RT8292BLGSP Datasheet
RT8292BLGSP
Specifications of RT8292BLGSP
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RT8292BLGSP Summary of contents
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Synchronous Step-Down Converter General Description The RT8292B 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 RT8292B's current mode architecture and ...
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RT8292B Typical Application Circuit V IN 4.5V to 23V C SS 0.1µ (Exposed Pad) Table 1. Recommended Component Selection V (V) R1 (kΩ) R2 (kΩ) OUT 11.8 3 2.5 25.5 12 ...
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Function Block Diagram VIN Regulator Shutdown Comparator Lockout Comparator 2. 6µA SS DS8292B-02 December 2010 Internal Oscillator V CC Foldback Control 0. Comparator 0.8V + ...
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RT8292B Absolute Maximum Ratings ------------------------------------------------------------------------------------------------- −0.3V to 25V Supply Voltage Input Voltage, SW --------------------------------------------------------------------------------------------------- −0. ----------------------------------------------------------------------------------------------------------- −0. BOOT SW Other Pin Voltages ------------------------------------------------------------------------------------------------- −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 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 device. ...
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RT8292B Typical Operating Characteristics Efficiency vs. Output Current 100 12V 23V 0.2 0.4 0.6 0.8 Output Current (A) Reference Voltage vs. Temperature 0.820 ...
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Output Current Limit vs. Input Voltage 6.0 5.5 5.0 4.5 4.0 3 3.3V OUT 3 3.3V (Add Bootstrap Diode) OUT 2 1.2V OUT 2.0 1.5 1.0 0.5 0 Input ...
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RT8292B Power On from (5V/Div) V OUT (2V/Div (2A/Div 12V Time (5ms/Div) Power On from (5V/Div) V OUT (2V/Div (2A/Div 12V Time ...
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Application Information The RT8292B is a synchronous high voltage buck converter that can support the input voltage range from 4.5V to and the output current can 2A. Output Voltage Setting The resistive voltage divider allows the FB ...
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RT8292B VIN BOOT 12V RT8292B 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, Δ determined by : OUT ⎡ ⎤ 1 Δ ≤ Δ ESR ⎢ ⎥ OUT L ⎣ ⎦ 8fC OUT The output ripple will be ...
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RT8292B 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 to ...
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Copper Area = 50mm Figure 6. Themal Resistance vs. Copper Area Layout Design Layout Considerations For best performance of the RT8292B, the following layout guidelines must be strictly followed. Input capacitor must be placed as close to the IC ...
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RT8292B 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: ...