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| NON-ISOLATED DC/DC CONVERTERS 9.0 Vdc - 18 Vdc Input 15 Vdc/0.8 A Output XRAH-01KX50 * * * Non-Isolated High Efficiency RoHS Compliant * * * Rev.A Low Profile Package Remote On/Off Active Low Fixed Frequency (500 kHz) Description The Bel XRAH-01KX50 is part of the low cost non-isolated dc/dc converter series. The modules use a SMD or SIP package for ease of layout and space savings. The output is closely regulated and the efficiency of 15 Vdc output module is typically 87% at full load. Part Selection Output Voltage 15 V Input Voltage 9 V - 18 V Max. Output Current 0.8 A Max. Output Power 12 W Typical Efficiency 87% Part Number Surface Mount SRAH-01KX50 Part Number Vertical Mount VRAH-01KX50 Notes: 1. Add "0" suffix at the end of the model number to indicate "Tube Packaging", and "R" for "Reel Packaging", and "G" for "Tray Packaging". 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. Absolute Maximum Ratings Parameter Input Voltage (continuous) Remote On/Off (Active Low) Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 C -40 C Typ Max 20 V 20 V 85 C 125 C Notes Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) Remoted Off Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min 9V - Typ 12 V 30 mA 18 mA Max 18 V 45 mA 2.6 A 25 mA 110 mA 30 mA 0.01 A s 8.8 V 8.2 V 2 Notes 8.0 V 7.2 V 75 mA 20 mA 0.003 A s 8.5 V 7.6 V 2 With simulated source impedance of 500 nH, 5 Hz to 20 MHz; Use one 100 uF/20 V tantalum capacitor at the input. Note: All specifications are typical at 25 C unless otherwise stated. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 9.0 Vdc - 18 Vdc Input 15 Vdc/0.8 A Output Output Specifications Parameter Output Voltage Set Point Line Regulation Load Regulation Regulation Over Temperature (-40C to +85 C) Output Current Output DC Current Limit Ripple and Noise (rms) Ripple and Noise (pk-pk) Turn On Time Overshoot at Turn on Output Capacitance Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time 300 mV 150 mS 300 mV 150 mS 400 mV 200 mS 400 mV 200 mS di/dt = 0.5 A/ uS; Vin = 12 V; and with two 10 uF ceramic capacitors at the output Min 14.7 V 0.03 A 1A 0 uF Typ 15.0 V 50 mV 20 mV 50 mV 35 mV 100 mV 20 mS 0% Max 15.3 V 75 mV 30 mV 80 mV 0.8 A 1.5 A 50 mV 150 mV 40 mS 5% 100 uF BW = 0-20 MHz; with two 10 uF ceramic capacitors at the output Notes Vin=12 V, lout=full load - - Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency MTBF Dimensions (surface mount) Inches (L x W x H) Millimeters (L x W x H) Dimensions (vertical) Inches (L x W x H) Millimeters (L x W x H) Weight Min 85% 450 kHz Typ 87% 500 kHz TBD 0.78 x 0.7 x 0.32 19.81 x 17.78 x 8.13 0.7 x 0.308 x 0.65 17.78 x 7.82 x 16.51 5g Max 550 kHz Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 C) Notes Measured at Vin=12 V, full load - - Note: All specifications are typical at 25C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) -0.3 V 2.8 V 0.4 V Vin XRAH-01KX50 Remote On/Off pin open, unit on. Min Typ Max Notes Note: All specifications are typical at 25 C unless otherwise stated. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 9.0 Vdc - 18 Vdc Input 15 Vdc/0.8 A Output Efficiency Data 100.0% 80.0% Efficiency 60.0% 40.0% 20.0% 0.0% 0.080 0.200 0.400 0.600 0.800 Output current (A) 9V 12V 18V Thermal Derating Curve Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 9.0 Vdc - 18 Vdc Input 15 Vdc/0.8 A Output Ripple and Noise Waveforms Ripple and noise at no load Ripple and noise at full load Note: Ripple and noise at 12 Vdc input, 15 Vdc output, with two 10 uF ceramic capacitors at the output, Ta=25 deg C. Transient Response Waveforms 50% to 75% load at 15 Vdc output 75% to 50% load 15 Vdc output Note: Transient response at 12 V input, di/dt=0.5 A/uS, with two 10 uF ceramic capacitors at the output, and Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 9.0 Vdc - 18 Vdc Input 15 Vdc/0.8 A Output Mechanical Outline SRAH-01KX50 Pin Connections Pin Function Remote On/Off Vin Ground Vout N/A N/A N/A bel 1 2 3 4 5 6 7 VRAH-01KX50 Pin Connections Pin 1 Function Remote On/Off Vin Ground Vout N/A bel bel 2 3 4 5 RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. These parts are not however compatible with the higher temperatures associated with lead free solder processes and must be soldered using a reflow profile with a peak temperature of no more than 240 C. (c)2007 Bel Fuse Inc. Specifications subject to change without notice. 011007 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com |
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