RT8010A Richtek Technology Corporation, RT8010A Datasheet
RT8010A
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RT8010A Summary of contents
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... DS8010/A-02 March 2007 Features +2.5V to +5.5V Input Range Output Voltage (Adjustable Output From 0. RT8010 : 1.0V, 1.2V, 1.5V, 1.6V, 1.8V, 2.5V and 3.3V Fixed/Adjustable Output Voltage RT8010A Adjustable Output Voltage Only 1A Output Current 95% Efficiency No Schottky Diode Required 1.5MHz Fixed-Frequency PWM Operation Small 6-Lead WDFN and 16-Lead WQFN Package dramatically reduces ...
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RT8010/A Typical Application Circuit 2.5V to 5.5V 2.5V to 5.5V ⎛ ⎞ R1 ⎜ ⎟ OUT REF ⎝ ⎠ R2 with R2 = 300kΩ to 60kΩ so the I R2 and (R1 x C1) ...
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... Functional Pin Description Pin Number RT8010 RT8010A 16, Exposed Pad Exposed Pad 10, 11, 12 VIN 4 13, 14 Function Block Diagram Slope Compensation FB/VOUT Error Amplifier COMP DS8010/A-02 March 2007 Pin Name NC No Internal Connect (Floating or Connecting to GND). ...
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RT8010/A Absolute Maximum Ratings Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6.5V EN, FB Pin Voltage ------------------------------------------------------------------------------------------------------- −0. Power Dissipation 25° WDFN-6L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------ 1.47W Package Thermal Resistance (Note 4) WDFN-6L ...
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Parameter Output Voltage Fix Accuracy Output Voltage Adjustable Accuracy FB Input Current PMOSFET R ON NMOSFET R ON P-Channel Current Limit EN High-Level Input Voltage EN Low-Level Input Voltage Under Voltage Lock Out threshold UVLO Hysteresis Oscillator Frequency Thermal Shutdown ...
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RT8010/A Typical Operating Characteristics Efficiency vs. Output Current 100 3.3V, OUT 0 0 0.1 0.2 0.3 0.4 ...
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Output Voltage vs. Load Current 1.230 1.225 1.220 1.215 V = 5.0V IN 1.210 1.205 V = 3.6V IN 1.200 1.195 1.190 1.185 1.180 0 0.1 0.2 0.3 0.4 Load Current (A) Frequency vs. Input Voltage 1.60 1.55 1.50 1.45 ...
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RT8010/A Power On from 3.6V 1.2V OUT V EN (2V/Div) V OUT (1V/Div (500mA/Div) Time (100μs/Div) Power On from VIN 1.2V OUT V IN ...
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Load Transient Response 1.2V IN OUT I = 50mA to 1A OUT ac V OUT (50mV/Div) I OUT (500mA/Div) Time (50μs/Div) Output Ripple Voltage V = 3.6V 1.2V IN OUT ...
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RT8010/A Applications Information The basic RT8010/A 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 ...
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The output ripple is highest at maximum input voltage since ΔI increases with input voltage. Multiple capacitors L placed in parallel may be needed to meet the ESR and RMS current handling requirements. Dry tantalum, special polymer, aluminum electrolytic and ...
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RT8010 losses are calculated from the resistances of the internal switches, R and external inductor R SW continuous mode, the average output current flowing through inductor L is “chopped” between the main switch and the synchronous ...
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Connect all analog grounds to a command node and then connect the command node to the power ground behind the output capacitors. An example of 2-layer PCB layout is shown in Figure 7 to Figure 8 for reference ...
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RT8010/A Outline Dimension Symbol www.richtek.com SEE DETAIL Note : The configuration of the Pin #1 identifier is ...
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... W-Type 16L QFN 3x3 Package Richtek Technology Corporation Taipei Office (Marketing) 8F, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek.com RT8010 DETAIL A Pin #1 ID and Tie Bar Mark Options ...