NON-ISOLATED DC/DC CONVERTERS 9.0V-18V Input 5V/1A & 9V/1A & 12V/1A Output x7AH-01K Series • Non-Isolated • Low Profile Package • High Efficiency • Remote On/Off • Fixed Frequency (450kHz) • Active Low/High Description The Bel x7AH-01Kxx0 is part of the low cost non-isolated DC/DC converter series. The modules use a SMD or vertical package for ease of layout and space savings. The output is closely regulated and the efficiency of 12V output module is typically 87% at full load. Part Selection Output Voltage 5V 9V 12V Input Voltage 9V – 18V 9V – 18V 9V – 18V Max. Output Current 1A 1A 1A Max. Output Power 5W 9W 12W Typical Efficiency 81% 86% 87% Part Number Surface Mount S7AH-01K50x S7AH-01K90x S7AH-01KX2x Part Number Vertical Mount V7AH-01K50x V7AH-01K90x V7AH-01KX2x Note: Use "0" to replace "x" in the above part number to indicate Active High, and "L" to indicate Active Low. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel Packaging”, and “G” for “Tray Packaging”. Absolute Maximum Ratings Parameter Input Voltage (continuous) Remote On/Off Ambient Temperature Storage Temperature Min -0.3V -0.3V -40°C -40°C Typ - Max 24V 24V 85°C 125°C Notes Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) Min 9V - Typ 30mA Max 18V 45mA Vo=5.0V Vo=9.0V Vo=12.0V - - 0.8A 1.3A 1.8A Input Reflected Ripple Current (pk-pk) Vo=5.0V Vo=9.0V Vo=12.0V - 55mA 75mA 95mA 80mA 110mA 130mA Input Reflected Ripple Current (RMS) Vo=5.0V Vo=9.0V Vo=12.0V I2t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 8.0V 7.2V 15mA 20mA 30mA 0.003A2s 8.5V 7.6V 25mA 30mA 40mA 0.01A2s 8.8V 8.2V Notes With simulated source impedance of 500nH, 5Hz to 20MHz; Use one 100uF/25V 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 9.0V-18V Input 5V/1A & 9V/1A & 12V/1A Output Output Specifications Parameter Output Voltage Set Point Min Typ Max VO=5.0V VO=9.0V VO=12.0V 4.90V 8.82V 11.76V 5V 9V 12V 5.10V 9.18V 12.24V VO=5.0V VO=9.0V VO=12.0V - 8mV 15mV 20mV 15mV 25mV 35mV VO=5.0V VO=9.0V VO=12.0V - 15mV 25mV 35mV 25mV 45mV 60mV VO=5.0V VO=9.0V VO=12.0V 0.005A 1.1A 50mV 70mV 90mV - 80mV 100mV 140mV 1A 1.8A VO=5.0V VO=9.0V VO=12.0V - 3mV 3mV 4mV 5mV 5mV 6mV VO=5.0V VO=9.0V VO=12.0V - 10mV 15mV 20mV 15mV 20mV 30mV VO=5.0V VO=9.0V VO=12.0V - 15mV 25mV 35mV 25mV 35mV 50mV VO=5.0V VO=9.0V VO=12.0V - 40mV 70mV 110mV 70mV 100mV 160mV VO=5.0V VO=9.0V VO=12.0V 0uF 20mS 30mS 30mS 0% - 30mS 45mS 45mS 5% 47uF - 200mV 100uS 200mV 100uS 300mV 150uS 300mV 150uS 350mV 150uS 350mV 150uS 300mV 150uS 300mV 150uS 400mV 200uS 400mV 200uS 500mV 200uS 500mV 200uS Notes Test condition: Vin=12V, lout=full load Line Regulation Load Regulation Regulation Over Temperature (-40°C to +85 °C) Output Current Output DC Current Limit Ripple and Noise (RMS) Ripple and Noise (pk-pk) Test conditions: BW = 0-20MHz; with π filter (Co1=10uF, L=0.47uH, Co2=10uF) at the output Ripple and Noise (RMS) Ripple and Noise (pk-pk) Test conditions: BW = 0-20MHz; with two 10uF ceramic capacitors at the output Turn On Time Overshoot at Turn on Output Capacitance Transient Response Overshoot 50% ~ 75% Max Load Settling Time Overshoot 75% ~ 50% Max Load Settling Time Overshoot 50% ~ 75% Max Load Settling Time Overshoot 75% ~ 50% Max Load Settling Time Overshoot 50% ~ 75% Max Load Settling Time Overshoot 75% ~ 50% Max Load Settling Time 5.0V 9.0V 12.0V di/dt = 0.5A/uS; Vin = 12V; and with two 10uF ceramic capacitors at the output Note: All specifications are typical at nominal input, full load 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 9.0V-18V Input 5V/1A & 9V/1A & 12V/1A Output General Specifications Parameter Min Typ Max Notes 77% 82% 83% 81% 86% 87% - 400KHz 450KHz 480KHz Efficiency VO=5.0V VO=9.0V VO=12.0V Switching Frequency MTBF Calculated Per Bell Core TR-332 (IO = Nominal; Ta = 25°C) 14,760,000 hours Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) 0.78 x 0.7 x 0.32 19.81 x 17.78 x 8.13 Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) 0.7 x 0.308 x 0.65 17.78 x 7.82 x 16.51 Weight - 5g Measured at Vin=12V, full load - Note: All specifications are typical at 25°C unless otherwise stated. Control Specifications Parameter Min Typ Max Signal Low (Unit On) -0.3V - 0.4V Signal High (Unit Off) 2.5V - Vin Signal Low (Unit Off) -0.3V - 0.4V Signal High (Unit On) 2.5V - Vin Notes Remote On/Off x7AH-01KxxL Remote On/Off pin open, unit on. x7AH-01Kxx0 Remote On/Off pin open, unit on. 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 9.0V-18V Input 5V/1A & 9V/1A & 12V/1A Output Efficiency Efficiency Data 90.0% 80.0% 70.0% 60.0% 50.0% 40.0% 30.0% 20.0% 10.0% 0.0% 9V 12V 18V 0.100 0.250 0.500 0.750 1.000 Output current (A) x7AH-01K500 100.0% 90.0% 80.0% 70.0% 60.0% 50.0% 40.0% 30.0% 20.0% 10.0% 0.0% 9V 12V 18V 0.100 0.250 0.500 0.750 1.000 x7AH-01K900 100.0% 90.0% 80.0% 70.0% 60.0% 50.0% 40.0% 30.0% 20.0% 10.0% 0.0% 9V 12V 18V 0.100 0.250 0.500 0.750 1.000 x7AH-01KX20 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 9.0V-18V Input 5V/1A & 9V/1A & 12V/1A Output Thermal Derating Curves Vin=12.0V, Vo=5.0V Vin=12.0V, Vo=9.0V Vin=12.0V, Vo=12.0V 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 9.0V-18V Input 5V/1A & 9V/1A & 12V/1A Output S7AH-01Kxx0 bel Pin Connections Pin Function 1 Remote On/Off 2 Vin 3 Ground 4 Vout 5 N/A 6 N/A 7 N/A V7AH-01Kxx0 Pin Connections bel bel Pin Function 1 Remote On/Off 2 Vin 3 Ground 4 Vout 5 N/A ©2005 Bel Fuse Inc. Specifications subject to change without notice. 020605 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