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Table of Contents
Related Manuals for Microsemi LX1918
Summary of Contents for Microsemi LX1918
- Page 1 LX1918 VALUATION OARD UIDE SYNCHRONOUS BUCK CONVERTER LX1918 EVALUATION BOARD I N T E G R A T E D P R O D U C T S Copyright © 2004 Microsemi Page 1 Rev. 1.2, 2005-12-02 Integrated Products 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570...
- Page 2 LX1918 VALUATION OARD UIDE ABLE OF ONTENTS LX1918 EVAL Introduction ..........................3 Schematic for LX1918 Evaluation Board ....................... 4 Hook Up ................................. 5 Connections ................................6 Bill of Materials............................... 6 Copyright © 2004 Microsemi Page 2 Rev. 1.2, 2005-12-02 Integrated Products...
- Page 3 LX1918 VALUATION OARD UIDE NTRODUCING TO RODUCT The LX1918 Evaluation Board is available from Microsemi for demonstrating the performance of the LX1918 Synchronous Buck Converter. EATURES • 2.7V to 6.0V Input Range • 1.5A Output Current • 1Mhz free running or 500KHz to 1.25MHz Switching Frequency •...
- Page 4 LX1918 VALUATION OARD UIDE LX1918 E CHEMATIC 4.7µF PVIN 0.1µF U1 LX1918 ENOSC PVIN SHDN AGND MODE PGND AVIN R5 40 PVIN PVIN LO EMI HI EFF L1 3.3µH VOUT MODE 1.5K R2 1K 47µF Figure 1 – Evaluation Board Schematic Copyright ©...
- Page 5 3. Apply 3.6V / 2A input between VIN and The following is a demonstration scenario to be used GND. for evaluating the LX1918. 4. Connect to Load capable of handling the prescribed output (Board is set to 1.5V output by default).
- Page 6 Connection Input Power Power Supply (2.70V ±6.0V) Power Ground Common Power Supply Ground Connect to GND to disable LX1918. A PWM > 500KHz logic External Sync / Shutdown PWM signal can also be applied Output Voltage VOUT Test Point – Hook up load and monitor VOUT...
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