RT9275GE RICHTEK [Richtek Technology Corporation], RT9275GE Datasheet
RT9275GE
Related parts for RT9275GE
RT9275GE Summary of contents
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Tiny Package, High Efficiency, Step-Up DC/DC Converter General Description The RT9275 is a compact, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, comparator, switch pass element ...
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RT9275 Typical Application Circuit EXT Functional Pin Description Pin No. Pin Name Pin Function 1 EN Chip Enable (Active High) 2 EXT Output pin for driving external NMOS 3 GND Ground 4 LX Pin for switching 5 ...
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Absolute Maximum Ratings Supply Voltage --------------------------------------------------------------------------------------------------------- 7V LX Pin Switch Voltage ------------------------------------------------------------------------------------------------ −0. Other I/O Pin Voltages ----------------------------------------------------------------------------------------------- −0. Pin Switch Current ------------------------------------------------------------------------------------------------ 2.5A EXT Pin Driver Current ------------------------------------------------------------------------------------------------ 200mA Power Dissipation ...
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RT9275 Parameter Soft Start time Under Voltage Protection – Threshold Voltage Thermal Shutdown Thermal Shutdown Hysterises Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for stress ratings. Functional operation ...
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Typical Operating Characteristics Frequency vs. Temperature 500 450 400 350 300 250 200 150 100 2V 3.3V OUT LOAD 0 -20 - Temperature Current Limit vs. Temperature 2.6 2.4 ...
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RT9275 Output Voltage vs. Output Current 4.98 4.97 4.96 4. 4. 5.0V V OUT 4 Output Current (mA) LX & Output Ripple ...
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LX & Output Ripple -10 Time (1μs/Div) LX & Output Ripple V = 2.5V -10 Time (1μs/Div) LX & Output Ripple 6 V ...
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RT9275 LX & Output Ripple - 1.5V Time (1μs/Div) LX & Output Ripple - Time (1μs/Div) LX & Output Ripple 6 4 ...
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LX & Output Ripple -10 Time (1μs/Div) LX & Output Ripple 3.5V -10 Time (1μs/Div) LX & Output Ripple ...
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RT9275 LX & Output Ripple - 4.5V Time (1μs/Div) Load Transient Respones 50 0 -50 100 1.5V 3.3V OUT Time (100μs/Div) Load ...
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Load Transient Respones V = 1.5V OUT Time (100μs/Div) Load Transient Respones V = 2.5V OUT 50 0 -50 100 50 0 Time (100μs/Div) Load Transient Respones V = 3.5V, ...
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RT9275 Load Transient Respones V = 4.5V OUT 50 0 -50 100 50 0 Time (100μs/Div) www.richtek.com 12 Preliminary = 5V 10mA to 100mA OUT DS9275-06 March 2007 ...
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Application Information Output Voltage Setting Referring to Typical Application Circuits, the output voltage of the switching regulator (V ) can be set with Equation OUT (1). R1 × 1.25V OUT R2 Feedback Loop Design Referring ...
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RT9275 Outline Dimension Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 www.richtek.com 14 Preliminary ...