LSN-16A D12 Models www.murata-ps.com Single Output, Non-Isolated, 12VIN, 0.75-5VOUT 16 Amp in DC/DCs SIP Packages Typical Units FEATURES PRODUCT OVERVIEW Step-down buck regulators for new LSN Series D12 SIP s (single-in-line pack- quency, buck topology that also delivers: high distributed 12V power architectures ages) are ideal building blocks for emerging, ef ciency (96% for 5VOUT models), low noise 12V input (10-14V range) on-board power-distribution schemes in (30 to 55mVp-p typ.), tight line/load regulation which isolated 12V buses deliver power to (0.1%/0.25% max.), quick step response 0.75/1/1.2/1.5/1.8/2.5/3.3/5VOUT 16A any number of non-isolated, step-down buck (100sec), stable no-load operation, and no Voltage-selectable version regulators. LSN D12 DC/DC s accept a 12V output reverse conduction. Non-isolated, xed-frequency, input (10V to 14V input range) and convert The fully functional LSNs feature output synchronous-recti er topology it, with the highest ef ciency in the smallest overcurrent detection, continuous short-circuit space, to a 0.75, 1, 1.2, 1.5, 1.8, 2.5, 3.3 or protection, an output-voltage trim function, a Outstanding performance: 5 Volt output fully rated at 16 Amps. remote on/off control pin (pull high to disable), 1.25% setpoint accuracy LSN D12 s are ideal point-of-use/load thermal shutdown and a sense pin. High Ef ciencies to 96% 16 Amps power processors. They typically require no ef ciency enables the LSN D12s to deliver Noise as low as 30mVp-p external components. Their vertical-mount rated output currents of 16 Amps at ambient Stable no-load operation packages occupy a mere 0.72 square inches temperatures to +68C with 200 lfm air ow. Trimmable output voltage (4.6 sq. cm), and reversed pin vertical mount If your new system boards call for three or Remote on/off control and sense allows mounting to meet competitors keep more supply voltages, check out the econom- Thermal shutdown out area. Horizontal-mount packages (H ics of on-board 12V distributed power. If you No derating to +68C with 200 lfm suf x) are only 0.37 inches (9.4mm) high. dont need to pay for multiple isolation barri- The LSN s best-in-class power density is ers, DATEL s non-isolated LSN D12 SIP s will UL/IEC/EN60950-1 certi ed achieved with a fully synchronous, xed-fre- save you money. EMC compliant +OUTPUT +INPUT (7,8) (1,2,4) 10.5 66F 100F 330F +SENSE (3) COMMON COMMON (5) (6) CURRENT SENSE VCC PWM ON/OFF REFERENCE & CONTROLLER CONTROL VOUT ERROR AMP (11) TRIM (10) Typical topology is shown Figure 1. Simpli ed Schematic For full details go to www.murata-ps.com/rohs www.murata-ps.com/support MDC LSN 16A D12 Models.C01 Page 1 of 13LSN-16A D12 Models Single Output, Non-Isolated, 12VIN, 0.75-5VOUT 16 Amp in DC/DCs SIP Packages Performance Speci cations and Ordering Guide ORDERING GUIDE Output Input Ef ciency Package Max. R/N (mVp-p) Regulation (Max.) Full Load Load VOUT IOUT VIN Nom. Range IIN (Case, Power Root Model (Volts) (Amps) (Watts) Typ. Max. Line Load (Volts) (Volts) (mA/A) Min. Typ. Typ. Pinout) LSN-0.75/16-D12 0.75 16 12 45 65 0.1% 0.25% 12 10-14 39/1.21 80% 82.5% 86% B8/B8x, P59 LSN-1/16-D12 1 16 16 45 65 0.1% 0.25% 12 10-14 39/1.45 83% 86% 86% B8/B8x, P59 LSN-1.2/16-D12 1.2 16 19.2 45 60 0.1% 0.25% 12 10-14 45/1.70 85% 89.5% 90% B8/B8x, P59 LSN-1.5/16-D12 1.5 16 24 30 45 0.1% 0.25% 12 10-14 54/2.09 86% 88% 91% B8/B8x, P59 LSN-1.8/16-D12 1.8 16 28.8 30 45 0.1% 0.25% 12 10-14 53/2.49 87% 90.5% 92% B8/B8x, P59 LSN-2/16-D12 2 16 32 30 45 0.1% 0.25% 12 10-14 59/2.93 88% 91% NA B8/B8x, P59 LSN-2.5/16-D12 16 2.5 40 35 50 0.1% 0.25% 12 10-14 60/3.38 90.5% 92.5% 94% B8/B8x, P59 LSN-3.3/16-D12 3.3 16 52.8 40 55 0.1% 0.25% 12 10-14 69/4.37 92.5% 94.5% 96% B8/B8x, P59 LSN-5/16-D12 5 16 80 50 75 0.1% 0.25% 12 10-14 75/6.52 94% 96% 95.5% B8/B8x, P59 LSN-T/16-D12 0.75-5 16 80 55 75 0.1% 0.25% 12 10-14 80/7.0 95% 95.5% 96.5% B8/B8x, P59 Typical at TA = +25C under nominal line voltage and full-load conditions, unless noted. All models These devices have no minimum-load requirements and will regulate under no-load conditions. are tested and speci ed with external 22F tantalum input and output capacitors. These capacitors Regulation speci cations describe the output-voltage deviation as the line voltage or load is varied are necessary to accommodate our test equipment and may not be required to achieve speci ed from its nominal/midpoint value to either extreme. performance in your applications. See I/O Filtering and Noise Reduction. Nominal line voltage, no-load/full-load conditions. Ripple/Noise (R/N) is tested/speci ed over a 20MHz bandwidth and may be reduced with external Contact MPS for availablilty. ltering. See I/O Filtering and Noise Reduction for details. LSN-T16-D12 ef ciencies are shown at 5V out. These are incomplete model numbers. Please refer to the Part Number Structure when ordering. PART NUMBER STRUCTURE L SN - 1.8 / 16 - D12 H J - C Output RoHS-6 hazardous substance compliant* Con guration: (does not claim EU RoHS exemption 7Blead in solder) L = Unipolar J Suf x: Low Voltage Reversed Pin Vertical Mount Non-Isolated SIP H Suf x: Nominal Output Voltage: Horizontal Mount 0.75, 1, 1.2, 1.5, 1.8, 2.5, 3.3 Input Voltage Range: or 5 Volts or selectable voltage D12 = 10-14 Volts Maximum Rated Output (12V nominal) Current in Amps * Contact MPS (DATEL) for availability. www.murata-ps.com/support MDC LSN 16A D12 Models.C01 Page 2 of 13