mp1543dj MPS, mp1543dj Datasheet
mp1543dj
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mp1543dj Summary of contents
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... MP3 Players • Handheld Computers and PDAs • Digital Still and Video Cameras • External Modems • Small LCD Displays “MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic Power Systems, Inc. Dimensions OUT OUT 3.3V 400mA www ...
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... GND 2 OUT 3 4 MP1543_PD01-TSOT23-5 Part Number* Package MP1543DJ TSOT23-5 * For Tape & Reel, add suffix –Z (eg. MP1543DJ–Z) For Lead Free, add suffix –LF (eg. MP1543DJ–LF–Z) ELECTRICAL CHARACTERISTICS 3.3V +25°C, unless otherwise noted. EN OUT A Parameter Startup Supply Voltage Output Voltage Range ...
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... V SW 2V/div OUT 50mV/div. I INDUCTOR 0.2A/div. MP1543-TPC04 V EN 2V/div 2V/div. V OUT 2V/div. MP1543-TPC07 MP1543 Rev. 1.0 1/11/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. = 3.3V +25°C, unless otherwise noted. OUT A Efficiency vs Load Current 100 V =4. =3. =2. ...
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... P-Channel MOSFET. Connect the inductor complete the step-up converter Regulator On/Off Control Input. A logic high input (V low input (V < 0.4V) puts the MP1543 into low current shutdown mode. EN MP1543 Rev. 1.0 1/11/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. Quiescent Current vs Temperature 380 370 360 350 340 330 ...
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... When output voltage crosses 1.6V the MP1543 starts the controller and regulates the output voltage to the target value. MP1543 Rev. 1.0 1/11/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. CONTROL LOGIC CURRENT SENSE AMPLIFIER ...
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... SW frequency. MP1543 Rev. 1.0 1/11/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. Selecting the Inductor The inductor is required to force the output voltage higher while being driven by the lower input voltage. A good rule for determining the inductance is to allow the peak-to-peak ripple current to be approximately 30%-50% of the maximum input current ...
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... EN Figure 3—5V Typical Application Circuit with External Schottky Diode and Output Disconnect MP1543 Rev. 1.0 1/11/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. LAYOUT CONSIDERATIONS High frequency switching regulators require very careful layout for stable operation and low noise. All components must be placed as close to the IC as possible ...
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... TM MP1543 — 1.5A, 500KHZ SYNCHRONOUS RECTIFIED STEP-UP CONVERTER V IN 2.5V - 4.2V EN Figure 4—5V Typical Application Circuit with External Schottky Diode and Output Disconnect MP1543 Rev. 1.0 1/11/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited OUT 5 MP1543 GND 2 Required www.MonolithicPower.com © 2006 MPS. All Rights Reserved. ...
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... NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications. 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 responsibility for any said applications. ...