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LSN16A-D12 Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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LSN16A-D12 Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
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1 / 13 page  +INPUT (7,8) COMMON (6) PWM CONTROLLER CURRENT SENSE REFERENCE & ERROR AMP VCC ON/OFF CONTROL (11) VOUT TRIM (10) +OUTPUT (1,2,4) 330μF 100μF 66μF 10.5 +SENSE (3) COMMON (5) LSN Series D12 SIP's (single-in-line pack- ages) are ideal building blocks for emerging, on-board power-distribution schemes in which isolated 12V buses deliver power to any number of non-isolated, step-down buck regulators. LSN D12 DC/DC's accept a 12V input (10V to 14V input range) and convert it, with the highest efficiency in the smallest space, to a 0.75, 1, 1.2, 1.5, 1.8, 2.5, 3.3 or 5 Volt output fully rated at 16 Amps. LSN D12's are ideal point-of-use/load power processors. They typically require no external components. Their vertical-mount packages occupy a mere 0.72 square inches (4.6 sq. cm), and reversed pin vertical mount allows mounting to meet competitor’s keep out area. Horizontal-mount packages (“H” suffix) are only 0.37 inches (9.4mm) high. The LSN's best-in-class power density is achieved with a fully synchronous, fixed-fre- quency, buck topology that also delivers: high efficiency (96% for 5VOUT models), low noise (30 to 55mVp-p typ.), tight line/load regulation (±0.1%/±0.25% max.), quick step response (100μsec), stable no-load operation, and no output reverse conduction. The fully functional LSN’s feature output overcurrent detection, continuous short-circuit protection, an output-voltage trim function, a remote on/off control pin (pull high to disable), thermal shutdown and a sense pin. High efficiency enables the LSN D12s to deliver rated output currents of 16 Amps at ambient temperatures to +68°C with 200 lfm air flow. If your new system boards call for three or more supply voltages, check out the econom- ics of on-board 12V distributed power. If you don’t need to pay for multiple isolation barri- ers, DATEL's non-isolated LSN D12 SIP's will save you money. Figure 1. Simplified Schematic Typical topology is shown FEATURES Step-down buck regulators for new distributed 12V power architectures 12V input (10-14V range) 0.75/1/1.2/1.5/1.8/2.5/3.3/5VOUT @16A Voltage-selectable "T" version Non-isolated, fixed-frequency, synchronous-rectifier topology Outstanding performance: ±1.25% setpoint accuracy Efficiencies to 96% @ 16 Amps Noise as low as 30mVp-p Stable no-load operation Trimmable output voltage Remote on/off control and sense Thermal shutdown No derating to +68°C with 200 lfm UL/IEC/EN60950-1 certified EMC compliant PRODUCT OVERVIEW Typical Units LSN-16A D12 Models Single Output, Non-Isolated, 12VIN , 0.75-5VOUT 16 Amp in DC/DCs SIP Packages For full details go to www.murata-ps.com/rohs www.murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_LSN 16A D12 Models.B02 Page 1 of 13 |
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