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| NON-ISOLATED DC/DC CONVERTERS 8.3V-14V Input 0.75V-5.0V/6A Output V7BA-06A2Ax Series * * * * * * Non-Isolated High Efficiency High Power Density Fixed Frequency Remote On/Off Active Low/High (option) * * * * * Under-Voltage Lockout (UVLO) OCP/SCP Wide Input Range Wide Trim Range Flexible Output Voltage Sequencing Description The Bel V7BA-06A2Ax modules are a series of non-isolated DC/DC converters that deliver up to 6A of output current with full load efficiency of 92% at 5.0V output. These modules provide precisely regulated voltage programmable via external resistor from 0.75V to 5.0V over a wide range of input voltage (8.3V-14V). These modules have a sequencing feature that enables designers to implement various types of output voltage sequencing when powering multiple voltages on a board. The open-frame construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features include remote On/Off, over current protection, short current protection, wide input, and programmable output voltage. Part Selection Output Voltage 0.75V - 5.0V Input Voltage 8.3V - 14V Max. Output Current 6A Max. Output Power 30.0W Typical Efficiency 92% Model Number Active Low V7BA-06A2AL Model Number Active High V7BA-06A2A0 Note: Add "G" suffix at the end of the model number to indicate Tray Packaging. Absolute Maximum Ratings Parameter Input Voltage (continuous) Output Enable Terminal Voltage Sequencing Voltage 1 Min -0.3V -0.3V -0.3V -40C -55C Typ - Max 15V 15V Vin 85C 125C Notes Ambient Temperature Storage Temperature Notes: All specifications are typical at 25C unless otherwise stated. 1. V7BA-06A2Ax series of modules include a sequencing feature that enables users to implement various types of output voltage sequencing in their applications. This is accomplished via an additional sequencing pin. When the sequencing feature is not used, tie the SEQ pin to Vin. 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 8.3V-14V Input 0.75V-5.0V/6A Output Input Specifications Parameter Input Voltage Input Current (full load) Vo=5.0V Vo=3.3V Vo=2.5V Vo=1.8V Vo=0.75V Input Current (no load) Vo=5.0V Vo=0.75V Remote 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 8.3V - Typ 12V 2.75A 1.85A 1.45A 1.05A 0.55A 1mA 120mA 40mA 0.002A s 8.1V 7.5V 2 Max 14V 4.0A 2.8A 2.2A 1.6A 0.8A 100mA 20mA 2mA 0.02A2s 8.2V 8.0V Notes Tested with two 100uF/25V tantalum input capacitors & simulated source impedance of 1uH, 5Hz to 20MHz. Notes: All specifications are typical at 25C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Output Voltage Set Point Adjustment Range Selected by External Resistor or Voltage Load Regulation Line Regulation Regulation Over Temperature (-40C to +85C) Output Current Current Limit Threshold Short Circuit Surge Transient Ripple and Noise (pk-pk) Vo=0.75V Vo=3.3V Vo=5.0V Ripple and Noise (RMS) Vo=0.75V Vo=3.3V Vo=5.0V Turn on Time Overshoot at Turn on Output Capacitance ESR 1mohm ESR 10mohm 0uF 0uF 7mV 20mV 25mV 8mS 0% 10mS 3% 1000uF 3000uF 20mV 60mV 75mV Tested with 0-20MHz, with 10uF/10V tantalum capacitor & 1uF/10V TDK ceramic capacitor at the output. Min -2%Vo,set -2.5%Vo,set 0.7525V -0.5%Vo,set -0.4%Vo,set 0A 7.2A Typ 0.4%Vo,set 0.3%Vo,set 0.5%Vo,set 2 0.25A s Max 2%Vo,set 3.5%Vo,set 5.0V 0.5%Vo,set 0.4%Vo,set 6A 18A - Notes Vin=12V, lo=lomax, full load Over all operating input voltages, resistive loads and temperature conditions Io=Io, min to Io, max Vin=Vin, min to Vin, max Tref=Ta, min to Ta, max 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 8.3V-14V Input 0.75V-5.0V/6A Output Output Specifications (Continued) Parameter Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time VO = 0.75V 5V 200mV 50uS 200mV 50uS di/dt=2.5A/uS; Vin=12V; and with 10uF/10V tantalum capacitor & 1uF/10V ceramic capacitor at the output. Min Typ Max Notes Note: All specifications are typical at nominal input (Vin=12V), full load at 25C unless otherwise stated. General Specifications Parameter Efficiency Vo=5.0V Vo=3.3V Vo=2.5V Vo=1.8V Vo=0.75V Switching Frequency Over Temperature Shutdown Output Trim Range (wide trim) MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 1 x 0.5 x 0.243 25.4 x12.7 x 6.16 3g 87% 85% 82% 80% 68% 250KHz 0.7525V 90% 88% 85% 83% 71% 300KHz 135C 3,266,517 hours 350KHz 5V Calculated Per Bell Core TR-332 (IO = Nominal; Ta = 25C) Measured at Vin=12V, full load Min Typ Max Notes - Note: All specifications are typical at 25C unless otherwise stated. Control Specifications Parameter Signal Low (Unit Off) Signal High (Unit On) Signal Low (Unit On) Signal High (Unit Off) Sequencing Voltage Sequencing Slew Rate Capability Sequencing Delay Time Tracking Accuracy Power-Up Power-Down 100mV 200mV 200mV 400mV Min -0.3V 2.5V -0.3V 2.5V 0V 10mS Typ Max 0.4V 14V 0.4V 14V Vin 2V/mS Delay from Vin, min to application of voltage on SEQ pin Notes V7BA-06A2A0; Remote On/Off pin open, Unit on. V7BA-06A2AL; Remote On/Off pin open, Unit on. Sequencing Voltage applied on SEQ pin should be higher than output voltage. 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 8.3V-14V Input 0.75V-5.0V/6A Output Output Trim Equations Equation for calculating the trim resistor (in k) given the desired adjusted voltage (Vadj) is shown below. The Trim Up resistor should be connected between the Trim pin and Ground. Vout Rtrim 10.507 = -1 Vadj - 0.7525 Module Trim GND Rtrim Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The Trim Up voltage should be connected between the Trim pin and Ground. Vout Vtrim = 0.7 - 0.0667 x (Vadj - 0.7525) Module Trim Vtrim GND 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 8.3V-14V Input 0.75V-5.0V/6A Output Efficiency Data MODULE 5.0V MODULE 3.3V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 1A 2A 3A 4A 5A 6A OUTPUT CURRENT 100.0% 95.0% 90.0% 85.0% 80.0% 75.0% 1A 2A 3A 4A 5A 6A OUTPUT CURRENT EFFICIENCY 8.3 12.0 14.0 EFFICIENCY 8.3V 12.0V 14.0V MODULE 2.5V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 1A 2A 3A 4A 5A 6A OUTPUT CURRENT MODULE 1.8V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 1A 2A 3A 4A 5A 6A OUTPUT CURRENT EFFICIENCY EFFICIENCY 8.3V 12.0V 14.0V 8.3V 12.0V 14.0V MODULE 0.75V 90.0% EFFICIENCY 80.0% 70.0% 60.0% 50.0% 1A 2A 3A 4A 5A 6A OUTPUT CURRENT 8.3V 12.0V 14.0V 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 8.3V-14V Input 0.75V-5.0V/6A Output Thermal Derating Curves Vin=12V, Vo=0.75V Vin=12V, Vo=2.5V Vin=12V, Vo=5.0V 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 8.3V-14V Input 0.75V-5.0V/6A Output Pin Connections Pin 1 2 3 4 5 6 Function Vout+ Trim Ground SEQ Vin+ Remote On/Off (c)2005 Bel Fuse Inc. Specifications subject to change without notice. 020605 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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