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LM2567 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM2567 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 8 page  TLH11731 November 1992 LM2567 LAN DCDC Converter General Description The LM2567 DCDC converter is intended for use in LAN applications as a power supply for the DP8392 Coaxial Transceiver The converter may be operated from an input voltage of 5V (g10%) to 15V It provides an isolated output of b9V for loads of up to 180 mA with an efficiency of 78% (typical) The few external components required for the con- verter are completely specified within this datasheet Protection features for the LM2567-based DCDC converter include thermal and current limit Undervoltage lockout and soft-start are incorporated to minimize the inrush current during start-up Features Y Wide input voltage range 5V to 15V Y Tight line regulation 05% (typ) Y Output voltage tolerance g5% Y Few external components required Y Surface-mount packaging Y Fixed switching frequency of 52 kHz Y Current-mode operation for improved transient re- sponse Typical Applications Y Power supply for DP8392 (LAN) coaxial transceiver Isolated b9V output for up to 180 mA load Typical Application DC-to-DC Converter for DP8392 Coaxial Transceiver TLH11731 – 1 Connection Diagram and Ordering Information 24-Lead Surface Mount (M) TLH11731 – 2 No internal connection Top View Order Number LM2567M See NS Package Number M24B C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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