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| M15A SERIES HDLV Family Description The M15A Series is a full-featured set of non-isolated, very highefficiency, board-level power modules. Each converter steps a 5 V input down to lower voltages required by core logic, ASICs, microcontrollers and microprocessors. The high-density (50 W/cu. in.) brick package minimizes the board area required to implement the power conversion. The M15A utilizes Bourns Switch Power's proprietary V2TM architecture, which provides ultrafast transient response, improved line and load regulation, and very high efficiency. Designed specifically for board-level use in applications requiring high reliability, the M15A Series features lower losses, higher reliability and a lower seated height than similar units in the market. The initial setpoint accuracy of 0.2 % and measured low-radiated emissions are also superior to most competitive units. It provides a 15-amp output at any of its standard output voltages. Beyond the standard output voltages, the series also allows custom outputs from 1.30 volts to 3.50 volts in 100 mV steps. Features * 15-amp Output Current * Open-frame Design * 90 % Efficiency * Overtemperature Protection * Short-circuit Protection with auto-restart * Fast Transient Response * Remote Sense * Remote Enable * Trim Function * 50W/in3 Power Density * Low 0.38 " Height * Industry-standard Pin-out 100-0 % Load Patents 5,770,940 5,978,195 6,127,814 Temperature Regulation General MTBF Operating Temperature Storage Temperature Switching Frequency Input Voltage Current Remote Enable High = Disable Low = Enable E/D Current Common Specifications Min 4.5 Nom 5 17 Max 5.5 Units Vdc A Vdc Vdc mA Notes 4.75 V Startup 2.4 0.4 1 Open=Enable Output Current 0 Current Limit 16.5 Voltage Setpoint Accuracy Line Regulation Load Regulation Voltage Trim Range -7 Dynamic Response 0-100 % Load 15 2 0.1 0.3 +7 200 20 200 20 A A %Vnom %Vnom %Vnom %Vnom 0.2 w/o remote sense mV i/t=3A/s s mV i/t=3A/s s 0.02 %Vout/C 1,000 0 -55 250 55 125 k Hrs C C kHz Bellcore TR332, 25 C full power, 100 LFM Asia-Pacific: TEL +886- (0)2 25624117 * FAX +886- (0)2 25624116 Europe: TEL +41-41 768 5555 * FAX +41-41 768 5510 The Americas: TEL +1-951 781 5500 * FAX +1-951 781-5700 Reliable Electronic Solutions www.bourns.com Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. M15A SERIES HDLV Family Nominal Output Output Input Voltage Current (V) (V) (A) M15A-5S3.45 M15A-5S3.3 M15A-5S2.8 M15A-5S2.6 M15A-5S2.5 M15A-5S2.2 M15A-5S2 M15A-5S1.9 M15A-5S1.8 M15A-5S1.5 5 5 5 5 5 5 5 5 5 5 3.45 3.3 2.8 2.6 2.5 2.2 2 1.9 1.8 1.5 15 15 15 15 15 15 15 15 15 15 Electrical Specifications Noise (mV pp) typ 100 100 100 100 100 100 100 100 100 100 Efficiency (%) typ 90 90 0.23 (5.8) 2.75 (69.9) 0.1 (2.54) J1 0.8 (20.3) 0.1 (2.54) 0.1 (2.54) 0.1 (2.54) Bottom View 0.6 (15.24) 0.1 (2.54) 0.1 (2.54) 0.13 (3.3) J1-1 J1-2 J1-3 J1-4 J1-5 J1-6 J1-7 J1-8 1.6 (40.64) 0.1 (2.54) Remote Enable NC (leave open) Trim GND GND Vin Vin Vin J2-1 J2-2 J2-3 J2-4 J2-5 J2-6 J2-7 J2-8 GND +Sense Vout Vout Vout Vout GND GND 0.68 (17.2) J2 0.38 (9.65) max 0.1 (2.54) x3 0.025 (0.64) square pins inches (mm) 0.xx 0.01 inches 0.xxx 0.005 inches REV. 01/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. |
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