MP2108DQ MPS [Monolithic Power Systems], MP2108DQ Datasheet

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The Future of Analog IC Technology DESCRIPTION The MP2108 is a 2A, 740KHz synchronous buck converter designed for low voltage applications requiring high efficiency capable of providing output voltages as low as 0.9V, and integrates top and bottom ...

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... Part Number** Temperature MP2108DQ –40°C to +85°C ** For Tape & Reel, add suffix –Z (eg. MP2108DQ–Z) For RoHS compliant packaging, add suffix –LF (eg. MP2108DQ–LF–Z) Recommended for output currents higher than 1.5A *** (1) Thermal Resistance MSOP10 ................................ 150 ..... 65... °C/W + 0.3V QFN10 (3mm x 3mm) ............. 50 ...... 12... °C ...

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ELECTRICAL CHARACTERISTICS V = 5.0V +25°C, unless otherwise noted Parameter Oscillator Switching Frequency Maximum Duty Cycle Minimum On Time Error Amplifier Voltage Gain Transconductance COMP Maximum Output Current FB Regulation Voltage FB Input Bias Current Soft-Start ...

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TYPICAL PERFORMANCE CHARACTERISTICS Circuit of Figure 5V otherwise noted. Efficiency vs Load Current 100 =1.2V OUT 0.01 0.1 LOAD CURRENT (A) Feedback Voltage vs ...

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TYPICAL PERFORMANCE CHARACTERISTICS Circuit of Figure 5V otherwise noted. Steady State Operation No Load V OUT AC Coupled 10mV/div 1A/div 5V/div. 400ns/div. Start-up through Enable No Load V OUT 2V/div. V ...

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OPERATION ENABLE RUN OFF ON CKT & LDO REGULATOR 10 V REF 2. 720KHz OSCILLATOR SGND MP2108 Rev 1.1 10/2/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP2108 – 2A, 6V, ...

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The MP2108 measures the output voltage through an external resistive voltage divider and compares it to the internal 0.9V reference to generate the error voltage at COMP. The current-mode regulator uses the voltage at COMP and compares it to the ...

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SS, forcing a linear output voltage ramp from 0V to the desired regulation voltage during soft-start. The soft-start period is determined by the equation: = × Where C5 ...

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Calculate the required inductance value by the equation: ( × − OUT IN OUT = L × × ∆ Where ∆I is the peak-to-peak inductor ripple current recommended to choose ∆I ...

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Choose the compensation resistor to set the desired crossover frequency. Determine the value by the following equation: π × × × × Where G is the EA ...

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PACKAGE INFORMATION MP2108 Rev 1.1 10/2/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER MSOP10 www.MonolithicPower.com © 2006 MPS. All Rights Reserved. 11 ...

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NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal ...