RT8055GQW Richtek USA Inc, RT8055GQW Datasheet
RT8055GQW
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RT8055GQW Summary of contents
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Synchronous Step-Down Converter General Description The RT8055 is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2.6V to 5.5V and provides an adjustable regulated output voltage from 0. while delivering up ...
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... RT8055 Marking Information RT8055GQW JN= : Product Code YMDNN : Date Code JN=YM DNN RT8055ZQW JN : Product Code YMDNN : Date Code JN YM DNN Typical Application Circuit 22µ (kΩ) OUT 3.3 75 2.5 51 1.8 30 1.5 21 1.2 12 1.0 6 www.richtek.com 2 RT8055GSP RT8055 GSPYMDNN L1 2µH PVDD LX C1 RT8055 0.1µF ...
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Functional Pin Description Pin No. WDFN-10L 3x3 SOP (Exposed Pad) 9 (Exposed Pad Function Block Diagram COMP 0. Internal ...
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RT8055 Absolute Maximum Ratings Supply Input Voltage, VDD, PVDD ---------------------------------------------------------------------------- −0.3V to 6.5V LX Pin Switch Voltage -------------------------------------------------------------------------------------------- −0.3V to (PVDD + 0.3V) <30ns ---------------------------------------------------------------------------------------------------------------- −5V to 7.5V Other I/O Pin Voltages ------------------------------------------------------------------------------------------- −0.3V to 6.5V LX Pin Switch Current ...
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Parameter Switch On Resistance, High Switch On Resistance, Low Peak Current Limit Under Voltage Lockout Threshold (Note 5) Shutdown Threshold Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for ...
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RT8055 Typical Operating Characteristics Efficiency vs. Output Current 100 0.0 0.3 0.6 0.9 1.2 Output Current (A) Output Voltage vs. Output Current 3.38 3.37 3.36 3.35 3.34 3.33 3.32 3.31 ...
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Output Current Limit vs. Input Voltage 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 3.5 3.7 3.9 4.1 4.3 Input Voltage (V) Output Voltage vs. Temperature 3.40 3.38 3.36 3.34 3.32 3.30 3.28 3.26 3.24 3.22 3.20 -50 -25 ...
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RT8055 Load Transient Response V OUT (200mV/Div) I OUT (1A/Div) Time (100μs/Div) Power On from (5V/Div (2V/Div) V OUT (1V/Div) Time (1ms/Div) www.richtek.com 8 V OUT (200mV/Div) I OUT (1A/Div 5V ...
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Application Information The basic RT8055 application circuit is shown in Typical Application Circuit. External component selection is determined by the maximum load current and begins with the selection of the inductor value and operating frequency followed by C and C ...
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RT8055 This keeps the maximum output current relatively constant regardless of duty cycle. Short Circuit Protection When the output is shorted to ground, the inductor current decays very slowly during a single switching cycle. A current runaway detector is used ...
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best, this ringing can couple to the output DD and be mistaken as loop instability. At worst, a sudden inrush of current through the ...
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RT8055 LX should be connected to Inductor by wide and short trace, keep sensitive compontents away from this trace Recommended component selection for Typical Application Component Supplier Series TAIYO YUDEN NR 8040 Component Supplier TDK TDK Panasonic Panasonic TAIYO YUDEN ...
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Outline Dimension Symbol DS8055-03 March 2011 SEE DETAIL Dimensions In Millimeters Min Max 0.700 0.800 0.000 0.050 0.175 ...
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RT8055 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 Information ...