NON-ISOLATED DC/DC CONVERTERS 9.0 Vdc - 18 Vdc Input -12 Vdc/1 A -15 Vdc/0.8 A Output xRAH-01KXxN Series RoHS Compliant Rev.A • Non-Isolated • Low Profile Package • High Efficiency • Remote On/Off • Fixed Frequency (400 kHz) • Active Low Description The Bel xRAH-01KXxN 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 is typically 87% at full load. Part Selection Output Voltage -12 Vdc -15 Vdc Input Voltage 9 Vdc - 18 Vdc Max. Output Current 1.0 A Max. Output Power 12 W Typical Efficiency 87% Part Number Surface Mount SRAH-01KX2N Part Number Vertical Mount VRAH-01KX2N 9 Vdc - 18 Vdc 0.8 A 12 W 87% SRAH-01KX5N VRAH-01KX5N 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) Min -0.3 V Typ - Max 20 V Notes Remote On/Off (Active Low) -0.3 V - 20 V Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C Parameter Input Voltage Min 9V Typ - Max 18 V Input Current (no load) - 40 mA 55 mA Input Current (full load) - - 1.6 A Remoted Off Input Current - 18 mA 25 mA Input Reflected Ripple Current (pk-pk) - 95 mA 130 mA Input Reflected Ripple Current (rms) - 30 mA 40 mA I t Inrush Current Transient - 0.003 A s 0.01 A s Turn-on Voltage Threshold 8.0 V 8.5 V 8.8 V Turn-off Voltage Threshold 7.2 V 7.6 V 8.2 V Input Specifications 2 2 Notes With simulated source impedance of 500 nH, 5 Hz to 20 MHz; Use one 100 uF/25 V tantalum capacitor and one 470 uF/35 V electrolytic capacitor at the input. 2 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 -12 Vdc/1 A -15 Vdc/0.8 A Output Output Specifications Parameter Output Voltage Set Point Min Typ Max -11.7 V -14.7 V -12 V -15 V -12.3 V -15.3 V Line Regulation - 20 mV 35 mV Load Regulation - 25 mV 45 mV - 90 mV 140 mV 0.030 A 0.030 A - 1.0 A 0.8 A 1.5 A 1.5 A - 2.5 A 2.5 A Ripple and Noise (rms) - 35 mV 50 mV Ripple and Noise (pk-pk) - 100 mV 150 mV - 30 mS 200 mS 45 mS 300 mS - 0% 5% 68 uF - 100 uF Vo=-12 V Vo=-15 V Regulation Over Temperature (-40°C to +85 °C) Output Current Vo=-12 V Vo=-15 V Output DC Current Limit Vo=-12 V Vo=-15 V Notes Test condition: Vin=12 V, lout=full load Test conditions: BW = 0-20MHz; with one 68 uF tantalum capacitor and one 0.1 uF ceramic capacitor at the output Turn On Time Vo=-12 V Vo=-15 V Overshoot at Turn on Output Capacitance Transient Response Overshoot 50% ~ 75% Max Load Settling Time 75% ~ 50% Max Load 50% ~ 75% Max Load 75% ~ 50% Max Load - 240mV - 150 uS 200 uS - 240 mV 320 mV Settling Time - 150 uS 200 uS Overshoot - 300mV 400 mV Overshoot Settling Time Overshoot Vo=-12 V Vo=-15 V Settling Time 320 mV - 150 uS 200 uS - 300 mV 400 mV - 150 uS 200 uS di/dt = 0.5 A/ uS; Vin = 12 V; and with one 68 uF tantalum capacitor at the output Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency Min 85% 350 kHz MTBF Typ 87% 400 kHz Max 450 kHz Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 °C) TBD Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Weight Notes Measured at Vin=12 V, full load 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 - 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 -12 Vdc/1 A -15 Vdc/0.8 A Output Control Specifications Parameter Min Typ Max Signal Low (Unit On) -0.3 V - 0.3 V Signal High (Unit Off) 2.8 V - Vin Notes Remote On/Off xRAH-01KXxN Remote On/Off pin open, unit on. Note: All specifications are typical at 25 °C unless otherwise stated. Efficiency Data Effciency Data 100.0% 80.0% 9V 12V 18V 60.0% 40.0% 20.0% 0.0% 0.100 0.250 0.500 0.750 1.000 Output Current (A) xRAH-01KX2N Efficiency Data 100.0% 80.0% 9V 12V 18V 60.0% 40.0% 20.0% 0.0% 0.100 0.250 0.500 0.650 0.800 Output Current (A) xRAH-01KX5N 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 -12 Vdc/1 A -15 Vdc/0.8 A Output Thermal Derating Curves xRAH-01KX2N xRAH-01KX5N 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 -12 Vdc/1 A -15 Vdc/0.8 A Output Ripple and Noise Waveforms Ripple and noise at no load, Vin=12 Vdc, Vo=-12 Vdc Ripple and noise at full load, Vin=12 Vdc, Vo=-12 Vdc Ripple and noise at no load, Vin=12 Vdc, Vo=-15 Vdc Ripple and noise at full load, Vin=12 Vdc, Vo=-15 Vdc Note: Ripple and noise with one 68 uF tantalum capacitor and one 0.1 uF ceramic capacitor at the output, 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 -12 Vdc/1 A -15 Vdc/0.8 A Output Transient Response Waveforms 50% to 75% load transient at Vin=12 Vdc, Vo=-12 Vdc 75% to 50% load transient at Vin=12 Vdc, Vo=-12 Vdc 50% to 75% load transient at Vin=12 Vdc, Vo=-15 Vdc 75% to 50% load transient at Vin=12 Vdc, Vo=-15 Vdc Note: Transient response at di/dt=0.5 A/uS, with one 68 uF tantalum capacitor 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 -12 Vdc/1 A -15 Vdc/0.8 A Output Mechanical Outline SRAH-01KXxN Pin Connections bel Pin Function 1 Remote On/Off 2 Vin 3 Ground 4 Vout 5 N/A 6 N/A 7 N/A Pin Connections VRAH-01KXxN bel bel Pin Function 1 Remote On/Off 2 Vin 3 Ground 4 Vout 5 N/A 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 ºC. ©2007 Bel Fuse Inc. Specifications subject to change without notice. 010907 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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