MP1567DK-LF
MP1567DK-LF Datasheet
The MP1567 is a 1.2A, 800KHz DC to DC converter designed for low voltage applications requiring high efficiency. Capable of providing output voltages as low as 0.9V from a 3.3V supply voltage, the MP1567 eliminates the need for a 5V rail, providing over 90% efficiency via synchronous rectification and eliminating heat issues in confined spaces. Soft-start operation protects internal circuitry from hard turn on issues. Switching at 800KHz reduces the size of external components and thereby reduces board space.
| Part | Datasheet |
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MP1567DK-LF |
MP1567DK-LF (pdf) |
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| The Future of Analog IC Technology The MP1567 is a 1.2A, 800KHz DC to DC converter designed for low voltage applications requiring high efficiency. Capable of providing output voltages as low as 0.9V from a 3.3V supply voltage, the MP1567 eliminates the need for a 5V rail, providing over 90% efficiency via synchronous rectification and eliminating heat issues in confined spaces. Soft-start operation protects internal circuitry from hard turn on issues. Switching at 800KHz reduces the size of external components and thereby reduces board space. The MP1567 includes cycle-by-cycle current limiting and under voltage lockout. Internal power switches combined with the tiny 10-pin MSOP or QFN packages provide a solution requiring a minimum of space. EVALUATION BOARD REFERENCE Board Number EV0033 MP1567DK EV0059 MP1567DK EV0060 MP1567DQ Dimensions 2.5”X 2.0”Y x 0.7”Z 2.5”X 2.0”Y x 0.4”Z 2.5”X 2.0”Y x 0.4”Z MP1567 1.2A Synchronous Rectified Step-Down Converter • 1.2A Output Current • Synchronous Rectified • Internal and Power Switches • VIN Range of 2.6V to 6V • Over 90% Efficiency • Zero Current Shutdown Mode • Under Voltage Lockout Protection • Soft-Start Operation • Thermal Shutdown • Internal Current Limit Source & Sink • Tiny 10-Pin MSOP or QFN Packages • Evaluation Boards Available • SOHO Routers, PCMCIA Cards, Mini PCI • Handheld Computers, PDAs • Cell Phones • Digital Video Cameras • Small LCD Displays “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. INPUT 2.6V to 6V 10nF OFF ON OPEN IF NOT USED IN 10 BS SW 3 MP1567 SGND PGND COMP 10nF 1nF 10nF VOUT 1.8V/1.2A MP1567_TAC_S01 EFFICIENCY % Efficiency vs Load Current 90 VIN=3.3V 80 VIN=4V VIN=5V VOUT=1.8V 1000 LOAD CURRENT mA MP1567_EC01 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2007 MPS. All Rights Reserved. MP1567 1.2A SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER PACKAGE REFERENCE BS 1 IN 2 SW 3 PGND 4 SGND 5 TOP VIEW 10 EN 9 BP 8 COMP 7 FB 6 SS MP1567_PD01_MSOP10 |
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