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| NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 5.5 Vdc Input 3.3 Vdc / 6 A Output VRPB-06F33H RoHS Compliant * * * * * * Non-Isolated High Efficiency High Power Density Fixed Frequency (300 kHz) Power Good Output Signal Converter Can Sink & Source Current * * * * * PRELIMINARY Rev.A Under Voltage Lockout (UVLO) OCP/SCP Remote On/Off Remote Sense Trim Function Description The Bel VRPB-06F33H modules are a series of non-isolated high density open frame dc/dc converters that can deliver up to 6 A of output current with full load efficiency of 94% at 3.3 Vdc output. Their open-frame construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features include remote On/Off, power good output signal, over current protection and short circuit protection. Part Selection Output Voltage 3.3 Vdc Input Voltage 4.5 Vdc - 5.5 Vdc Max. Output Current 6A Max. Output Power 20 W Typical Efficiency 94% Model Number VRPB-06F33H Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 2. Add "G" suffix at the end of the model numbers listed above to indicate "Tray Packaging". Absolute Maximum Ratings Parameter Input Voltage (continuous) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 C -55 C Typ Max 5.8 V 5.5 V 85 C 125 C Notes Note: All specifications are typical at 25 C unless otherwise stated. Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) 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 4.5 V 3.4 V Typ 4.21 A 100 mA 5 mA 60 mA 20 mA 3.6 V 3.5 V Max 5.5 V 0.04 A s 4.0 V 2 Notes Tested with simulated source impedance of 1uH, 5 Hz to 20 MHz, a 1000 uF/16 V electrolytic capacitor, a 220 uF/10 V Tantalum capacitor and 2.2 uF/10 V ceramic 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 4.5 Vdc - 5.5 Vdc Input 3.3 Vdc / 6 A Output Output Specifications Parameter Output Voltage Set Point Output Voltage Set Point Load Regulation Line Regulation Temperature Regulation Output Current Current Limit Threshold Short Circuit Surge Transient Ripple and Noise (pk-pk) Ripple and Noise (rms) Turn on Time Overshoot at Turn on External Load Capacitance Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time VO =3.3 V Min -2% Vo,set -3% Vo,set 0A 7A Typ 0.4% Vo,set 0.3% Vo,set 0.4% Vo, set 0.64 A s 30 mV 10 mV 4 mS 100 uF/A 150 mV 40 uS 150 mV 40 uS 2 Max 2% Vo,set 3% Vo,set 6A 18 A 50 mV 20 mV 8 mS 3% Vo - Notes Vin=5 V, 50% full load Over all operating input voltage, resistive load, and temperature conditions Io=Io min to 50% Io max Vin=Vin min to Vin max Tref=Ta min to Ta max Tested with 0-20 MHz, with external 10 uF Tantalum capacitor, 220 uF Tantalum capacitor and 2.2 uF/10 V ceramic capacitor at the output. Test conditions: di/dt=2.5 A/uS; Vin=5 V; with external 10 uF Tantalum capacitor, 220 uF Tantalum capacitor and 2.2 uF/10 V ceramic capacitor at the output. Note: All specifications are typical at nominal input (Vin=5 V), full load at 25 C unless otherwise stated. General Specifications Parameter Efficiency (Current Source) Switching Frequency Output Voltage Trim Range Remote Sense Compensation MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.0 x 0.55 x 0.29 50.80 x 13.97 x 7.35 7.5 g Min 91% 250 kHz 90% Vo Typ 94% 300 kHz TBD Max 350 kHz 110% Vo 10% Vo Calculated Per Bell Core SR-332 (IO =80%load; Ta = 25 C) Notes Measured at Vin=5 V, Io=Io-max - 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 4.5 Vdc - 5.5 Vdc Input 3.3 Vdc / 6 A Output Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Power Good Levels High Level Low Level Min -0.2 V 4.5 V 2.1 V Typ Max 0.5 V 5.5 V 1.05 V Notes VRPB-06F33H, Remote On/Off pin open, Unit on. Output Trim Equations Equation for calculating the trim resistor (in k) given the desired adjusted voltage (Vup) is shown below. The Trim resistor should be connected between the Trim pin and Ground. Rtrim-up = . 2.1264 -1 Vup - Vo Vout Module Trim Rtrim-up GND Equation for calculating the trim resistor (in k) given the desired adjusted voltage (Vdown) is shown below. The Trim resistor should be connected between the Trim pin and Vout. Vout Rtrim - down (V - 0.96) 2.215 = [ down ] -1 Vo - Vdown Rtrim-down Module Trim GND Efficiency Data Efficiency Curve 100.0% 95.0% 90.0% Efficiency 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 0.6 A 1.5 A 3.0 A Output Current 4.5 A 6.0 A 4.5 V 5.0 V 5.5 V 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 4.5 Vdc - 5.5 Vdc Input 3.3 Vdc / 6 A Output Thermal Derating Curve Ripple and Noise Waveform Ripple and noise at full load Vo=3.3 V Note: Ripple and Noise at 5.0 Vdc input, 0-20 MHz BW, with a 220 uF/10 V and a 10 uF/10 V tantalum cap and 2.2 uF/10 V 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 4.5 Vdc - 5.5 Vdc Input 3.3 Vdc / 6 A Output Transient Response Waveforms Transients 50% to 100% load 3.3 Vdc output Transients 100% to 50% load 3.3 Vdc output Note: Transient Response at 5.0 V input, di/dt=2.5 A/uS, with a 220 uF/10 V and a 10 uF/10 V tantalum cap and 2.2 uF/10 V 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 4.5 Vdc - 5.5 Vdc Input 3.3 Vdc / 6 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 11 Function +Vout +Vout Remote Sense +Vout Ground Ground +Vin +Vin Power Good Trim Remote On/Off RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2007 Bel Fuse Inc. Specifications subject to change without notice. 013007 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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