DC/DC Converter 55 Amp Adjustable Output, Single Output, +12V Input VCN55–025V Features: Programmable 2.3V to 5.2V Output Soft start circuit Over-volta age protection prote Over-curre en prote protection Differential Remote sense Power Good Signal Output Enable High efficiency “1U” height This product is not fuse protected. User is responsible for providing system protection. Consult factory for application information. Input Characteristics Input Voltage Operating Range Maximum Input Current No-Load Input Current Disabled Input Current Input Reflected Ripple Current Required Ext. Input Capacitor Output Characteristics Output Voltage Set Point Output Line Regulation Output Load Regulation Output Voltage Ripple & Noise Output Current Operating Range Efficiency @ +12Vin Turn-On Time Remote Sense Compensation Output Voltage Trim Range Required External Output Capacitance Notes & Conditions * 5.00Vout @ 55A/10.8Vin Min 10.8 Typ. 12.0 27 Max 13.2 300 50 5.00Vout @ 55A/13.2Vin OSCON Type or Equivalent 270 300 Notes & Conditions * Programmable Min 2.3 20 MHz Bandwidth Typ. Max 5.2 ±0.5 ±0.5 100 0 55A Load 2.5V 55A Load 3.3V 55A Load 5.0V 55 90 91 92 2.3 1500 10 10 5.2 8K Units Vdc A mA mA mA p-p µF Units Vdc % % mV p-p A % % % mS %Vo nom V µF * Note: Vin = 12Vdc, Ta = 25 °C, Airflow = 300 LFM unless otherwise noted. Specifications subject to change without notice. www.murata-ps.com Technical enquiries - email: [email protected], tel: +1 508 339 3000 Page 1 of 5 DC/DC Converter 55 Amp Adjustable Output, Single Output, +12V Input Protection Characteristics Output Current Limit Inception Over Voltage Shutdown Fusing Notes & Conditions * Hiccup Mode Latching Unit is not fused. Min 60 General Specifications Enable Notes & Conditions * LOW=Disable HIGH=Enable Min Storage Temperature Operating Temperature Material Flammability MTBF Switching Frequency Dimension Typ. Max 75 Units A %Vnom Max 0.8 Units Vdc Vdc °C °C 115 Typ. 1.7 -40 0 UL 94V-0 Calculated (RAC PRISM @ 50°C) Per Phase 3.0”L x 1.05”W x 1.1”H 70 50 x103 Hrs KHz 785 200 Programming the Output VDDQ VSENSE PLUS RT1 VRM RT2 LOAD VLOAD VSENSE MINUS GND www.murata-ps.com Technical enquiries - email: [email protected], tel: +1 508 339 3000 Page 2 of 5 DC/DC Converter 55 Amp Adjustable Output, Single Output, +12V Input Vo* (V) RT1(Ω) RT2(Ω) 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 499 891 795 717 654 600 555 516 482 453 426 403 382 363 346 331 316 291 280 270 260 251 243 235 228 221 215 209 203 197 *Vo measued at the load side www.murata-ps.com Technical enquiries - email: [email protected], tel: +1 508 339 3000 Page 3 of 5 DC/DC Converter 55 Amp Adjustable Output, Single Output, +12V Input Mechanical Information Connector J1 Pin Name 1 2 3 4 5 6 7 8 www.murata-ps.com Function Power Good Output Enable Sense Minus Sense Plus 12Vin 12Vin GND GND Connector J2 Pin Name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Function GND Vo GND Vo GND Vo GND Vo GND Vo GND Vo GND Vo Technical enquiries - email: [email protected], tel: +1 508 339 3000 Page 4 of 5 DC/DC Converter 55 Amp Adjustable Output, Single Output, +12V Input Ordering Information VCN55–025V Package V = Vertical Mount Family Name Output Current 55 = 55A Minimum Output Voltage Setting 025 = 2.5Vout Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 www.murata-ps.com email: [email protected] ISO 9001 and 14001 REGISTERED 01/19/09 Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. © 2008 Murata Power Solutions, Inc. www.murata-ps.com USA: Mansfield (MA), Tel: (508) 339-3000, email: [email protected] Canada: Toronto, Tel: (866) 740-1232, email: [email protected] UK: Milton Keynes, Tel: +44 (0)1908 615232, email: [email protected] France: Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: [email protected] Germany: München, Tel: +49 (0)89-544334-0, email: [email protected] Japan: Tokyo, Tel: 3-3779-1031, email: [email protected] Osaka, Tel: 6-6354-2025, email: [email protected] China: Shanghai, Tel: +86 215 027 3678, email: [email protected] Guangzhou, Tel: +86 208 221 8066, email: [email protected] Singapore: Parkway Centre, Tel: +65 6348 9096, email: [email protected] Technical enquiries - email: [email protected], tel: +1 508 339 3000 Page 5 of 5