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NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
xRPB-06F1Ax
* * * * * * * Non-Isolated High Efficiency High Power Density
RoHS Compliant
* * * * * * OCP/SCP Remote On/Off Remote Sense
Rev.A
Under Voltage Lockout (UVLO)
Fixed Frequency (300 kHz) Power Good Output Signal Can Sink & Source Current Over Temperature Protection
Wide Trim Range Active High/Low (Options)
Description
The Bel xRPB-06F1Ax 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. These modules provide precisely regulated voltage programmable via external resistor from 0.75 Vdc to 3.63 Vdc over a wide range of input voltage (Vin=3.0 Vdc - 5.5 Vdc). Standard features include remote On/Off, programmable output voltage, over current protection, over thermal shutdown and short circuit protection.
Part Selection
Output Voltage 0.75 V - 3.63 V Input Voltage 3.0 V - 5.5 V Max. Output Current 6A Max. Output Power 22 W Typical Efficiency 94% Model Number Active High VRPB-06F1A0 Model Number Active Low VRPB-06F1AL Model Number Active Low VRPB-06F1AW
1
Notes: 1. "W" indicates special coating. 2. Add "G" suffix at the end of the model number listed above to indicate Tray Packaging. Change the first letter of the model number from "V" to "0" for horizontal mount package. 3. 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) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 C -40 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 Vo 1.8 V Vo=2.5-3.3 V Input Current (full load) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V 4.21 A 3.26 A 2.43 A 2.07 A 1.69 A 1.14 A 3.0 V 4.5 V 5.5 V 5.5 V Min Typ Max Notes
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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Input Specifications (continued)
Parameter Input Current (no load) Vo=3.3 V Vo=0.75 V 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 1.8 V
Typ 100 mA 50 mA 10 mA 120 mA 35 mA 2.7 V 2.6 V
Max 0.04 A s 3.0 V 2
Notes
Tested with simulated source impedance of 1uH, 5 Hz to 20 MHz.
Note: All specifications are typical at 25 C unless otherwise stated.
Output Specifications
Parameter Output Voltage Set Point Output Voltage Set Point Adjustment Range 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 Min ESR 1mhom Max ESR 10mhom Transient Response 50% ~ 100% Max Load Settling Time 100% ~ 50% Max Load Settling Time VO =0.75 V 3.63 V Min -2%Vo,set -3%Vo,set 0.7525 V 0A 9A 0 uF 0 uF 150 mV 25 uS 150 mV 25 uS Typ 0.4%Vo,set 0.3%Vo,set 0.4%Vo, set 0.32 A s 40 mV 10 mV 6 mS 2
Max 2%Vo,set 3%Vo,set 3.63 V 6A 18 A 70 mV 30 mV 10 mS 3%Vo 1000 uF 3000 uF -
Notes Vin=5 V, 50% full load Over all operating input voltages, resistive loads and temperature conditions Selected by external resistor or voltage Io=Iomin to 50% Iomax Vin=Vinmin to Vinmax Tref=Tamin to Tamax
Tested with 0-20 MHz, with external 10 uF Tantalum capacitor and 1 uF/10 V TDK ceramic capacitor at the output.
Test conditions: di/dt=2.5 A/ uS; Vin=5 V; with external 10 uF Tantalum capacitor and 1 uF/10 V TDK ceramic capacitor at the output.
Note: All specifications are typical at nominal input (Vin=5 V), 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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Min 250 kHz 0.7525 V Typ 94% 92% 89% 87% 85% 79% 300 kHz 125 C 6,929,838 hours Inches (L x W x H) Millimeters (L x W x H) Weight 2.0 x 0.55 x 0.36 50.80 x 13.97 x 9.14 7.5 g Max 350 kHz 3.63 V 10%Vo Notes
General Specifications
Parameter Efficiency (Current Source) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V Switching Frequency Output Voltage Trim Range Remote Sense Compensation Over Temperature Shutdown MTBF Dimensions -
Measured at Vin=5 V, full load
Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 C)
Note: All specifications are typical at 25 C unless otherwise stated.
Control Specifications
Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) Signal Low (Unit On) Signal High (Unit Off) Power Good Levels High Level Low Level Min -0.2 V -0.2 V 1.5 V 2.1 V Typ Max 0.3 V Vin, max 0.3 V Vin, max 1.05 V Notes xRPB-06F1A0; Active High; Remote On/Off pin open, Unit on. xRPB-06F1AL & xRPB-06F1AW; Active Low; Remote On/Off pin open, Unit on.
Output Trim Equations
Equation for calculating the trim resistor (in k) given the desired adjusted voltage (Vadj) is shown below. The Trim resistor should be connected between the Trim pin and Ground.
Vout
RTrim
21.07 = - 5.11 Vadj - 0.7525
Module Trim
GND
Rtrim
Equation for calculating the trim voltage Vtrim (in V) given the desired adjusted voltage (Vadj) is shown below.
Vtrim = 0.7 - 0.1698 x (Vadj - 0.7525)
Vout
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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Efficiency Data
2.5V Module 95.0% 90.0% 85.0% Efficiency
3.3V Module 100.0% 95.0% 90.0% Efficiency 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 0.6A 1.5A 3.0A Output Current 4.5A 6.0A 4.5V 5V 5.5V
80.0% 75.0% 70.0% 65.0% 60.0% 0.6A 1.5A 3.0A Output Current 4.5A 6.0A
4.5V 5V 5.5V
1.8V Module 95.0% 90.0% 85.0% Efficiency
Efficiency 100.0% 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0%
1.5V Module
80.0% 75.0% 70.0% 65.0% 60.0% 0.6A 1.5A 3.0A Output Current 4.5A 6.0A
3V 5V 5.5V
3V 5V 5.5V
0.6A
1.5A
3.0A Output Current
4.5A
6.0A
1.2V Module 100.0% 95.0% 90.0% Efficiency
Efficiency 100.0% 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 0.6A
0.7525V Module
85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 0.6A 1.5A 3.0A Output Current 4.5A 6.0A
3V 5V 5.5V
3V 5V 5.5V
1.5A
3.0A Output Current
4.5A
6.0A
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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Thermal Derating Curves
Vin=5 V, Vo=0.75 V
Vin=5 V, Vo=1.8 V
Vin=5 V, Vo=3.3 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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Ripple and Noise Waveforms
Ripple and noise at full load Vo=0.75 V
Ripple and noise at full load Vo=1.2 V
Ripple and noise at full load Vo=1.5 V
Ripple and noise at full load Vo=1.8 V
Ripple and noise at full load Vo=2.5 V
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 1 uF/10 V and a 10 uF/10 V tantalum cap 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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Transient Response Waveforms
Transients 50% to 100% load 0.75 Vdc output
Transients 100% to 50% load 0.75 Vdc output
Transients 50% to 100% load 1.2 Vdc output
Transients 100% to 50% load 1.2 Vdc output
Transients 50% to 100% load 1.5 Vdc output
Transients 100% to 50% load 1.5 Vdc output
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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Transient Response Waveforms (continued)
Transients 50% to 100% load 1.8 Vdc output
Transients 100% to 50% load 1.8 Vdc output
Transients 50% to 100% load 2.5 Vdc output
Transients 100% to 50% load 2.5 Vdc output
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 10 uF/10 V tantalum cap, a 1 uF/10 V ceramic cap 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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Mechanical Outlines VRPB-06F1Ax
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
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
3.0 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/6 A Output
Mechanical Outlines (continued) 0RPB-06F1Ax
Pin Connections
Pin 1 2 3 4 5 6 7 8 9 10 11 Function +Vout +Vout 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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