SRBA-06A1Ax Non-Isolated High Efficiency High Power Density Fixed

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SRBA-06A1Ax Non-Isolated High Efficiency High Power Density Fixed

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Input 0.75 Vdc/6 Output
SRBA-06A1Ax
Non-Isolated High Efficiency High Power Density Fixed Frequency Remote On/Off
RoHS Compliant
OCP/SCP
Rev.A
Under-Voltage Lockout (UVLO) Wide Input Range Wide Output Trim Range Active Low/High
Description
SRBA-06A1Ax modules series non-isolated dc/dc converters that deliver output current with full load efficiency output. These modules Vide precisely regulated Voltage programmable external resistor from 0.75 over wide range input voltage (8.3 Vdc). open-frame construction small footprint enable designers develop cost space-efficient solutions. Standard features include remote On/Off, over current protection, short current protection, wide input, programmable output voltage.
Part Selection
Output Voltage 0.75 Input Voltage Max. Output Current Max. Output Power 30.0 Typical Efficiency Model Number Active SRBA-06A1AL Model Number Active High SRBA-06A1A0
Notes: 1.Add suffix model number indicate Tray Packaging. part numbers above indicate RoHS Change second letter RoHS part numbers.
Absolute Maximum Ratings
Parameter Input Voltage (continuous) Output Enable Terminal Voltage Ambient Temperature Storage Temperature -0.3 -0.3 Notes
Input Specifications
Parameter Input Voltage Input Current (full load) Vo=5.0 Vo=3.3 Vo=2.5 Vo=1.8 Vo=1.2 Vo=0.75 Input Current load) Vo=5.0 Vo=0.75 Remote Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold
2.75 1.85 1.45 1.05 0.75 0.55 0.002
0.02
Notes
Tested with uF/25 tantalum input capacitors simulated source impedance MHz.
Note: specifications typical unless other Wise stated.
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Output Specifications
Parameter Output Voltage Point Output Voltage Point Adjustment Range Selected External Resistor Voltage Load Regulation Line Regulation Regulation Over Temperature (-40 Output Current Current Limit Threshold Short Circuit Surge Transient Ripple Noise (pk-pk) Vo=0.75 V-3.63 Ripple Noise (rms) Vo=0.75 V-3.63 Ripple Noise (pk-pk) Vo=5.0 Ripple Noise (rms) Vo=5.0 Turn Time Overshoot Turn Output Capacitance mohm mohm Transient Response 100% Load Settling Time 0.75 100% Load Settling Time Vo,set -2.5% Vo,set 0.7525 7.2A 0.4% Vo,set 0.3% Vo,set 0.5% Vo,set 0.25A
Vo,set 3.5% Vo,set 1000 3300
Notes Vin=12 full load Over operating input voltages, resistive loads temperature conditions
Io=Iomin Iomax Vin= Vinmin Vinmax Tref=Tamin Tamax
Tested with 0-20MHz, with uF/10 tantalum capacitor uF/10 ceramic capacitor output.
di/dt=2.5 A/uS; Vin=12 With uF/10 tantalum capacitor uF/10 ceramic capacitor output.
Note: specifications typical nominal input, full load unless other wise stated.
General Specifications
Parameter Efficiency Vo=5.0 Vo=3.3 Vo=2.5 Vo=1.8 Vo=1.2 Vo=0.75 Switching Frequency Over Temperature Shutdown Output Trim Range (Wide trim) MTBF Dimensions Inches Millimeters Weight 0.45 0.251 20.32 11.42 6.38 0.7525 3,079,469 hours Measured Vin=12 full load Notes
Calculated Bell Core SR-332 Nominal;
Note: specifications typical unless other wise stated.
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Control Specifications
Parameter Remote On/Off Signal (Unit Off) Signal High (Unit Signal (Unit Signal High (Unit Off) -0.3 -0.3 Notes SRBA-06A1A0; Remote On/Off open, Unit SRBA-06A1AL; Remote On/Off open, Unit
Remote Enable Specifications
SRBA-06A1AL modules feature enable with negative logic. using enable pin, leave open (the module will on). During logic_high, module turned off, during logic_low, module turned inner circuit impedance showed figure.
SRBA-06A1AL
SRBA-06A1A0 modules feature enable with Positive logic. using enable pin, leave open (the module will on). During logic_high, module turned during logic_low, module turned off. inner circuit impedance showed figure.
SRBA-06A1A0
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Output Trim Equations
Equation calculating trim resistor given desired adjusted voltage (Vadj) shown below. Trim resistor should connected between Trim Ground.
Vout
Rtrim
10.507 Vadj 0.7525
Module Trim
Rtrim
Equation calculating trim voltage given desired adjusted voltage (Vadj) shown below. Trim voltage should connected between Trim Ground.
Vout
Vtrim 0.0667 (Vadj 0.7525)
Module
Trim
Vtrim
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Efficiency Data
MODULE 3.3V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% OUTPUT CURRENT
MODULE 5.0V 100.0% EFFICIENCY 90.0% 85.0% 80.0% 75.0% OUTPUT CURRENT 12.0 14.0
EFFICIENCY
95.0%
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% OUTPUT CURRENT
MODULE 1.8V 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% OUTPUT CURRENT
EFFICIENCY
EFFICIENCY
8.3V 12.0V 14.0V
8.3V 12.0V 14.0V
MODULE 1.2V 90.0% EFFICIENCY 80.0% 70.0% 60.0% 50.0% OUTPUT CURRENT
MODULE 0.75V 90.0% EFFICIENCY
8.3V 12.0V 14.0V
80.0% 70.0% 60.0% 50.0% OUTPUT CURRENT
8.3V 12.0V 14.0V
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Thermal Derating Curves
Vin=12 Vo=0.75
Vin=12 Vo=2.5
Vin=12 Vo=5.0
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Ripple Noise Waveforms
Ripple noise full load, Vin=12 Vo=0.75
Ripple noise full load, Vin=12 Vo=1.2
Ripple noise full load, Vin=12 Vo=1.8
Ripple noise full load, Vin=12 Vo=2.5
Ripple noise full load, Vin=12 Vo=3.3
Ripple noise full load, Vin=12 Vo=5.0
Note: output ripple noise tested 0-20 uF/10 tantalum capacitor uF/10 ceramic capacitor, Ta=25
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Transient Response Waveforms
100% load step Vin=12 Vo=0.75
100% load step Vin=12 Vo=0.75
100% load step Vin=12 Vo=1.2
100% load step Vin=12 Vo=1.2
100% load step Vin=12 Vo=1.8
100% load step Vin=12 Vo=1.8
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Transient Response Waveforms (continued)
100% load step Vin=12 Vo=2.5
100% load step Vin=12 Vo=2.5
100% load step Vin=12 Vo=3.3
100% load step Vin=12 Vo=3.3
100% load step Vin=12 Vo=5.0
100% load step Vin=12 Vo=5.0
Note: Transient response tested di/dt=2.5 A/uS, with uF/10 tantalum capacitor uF/10 ceramic capacitor, Ta=25
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
Input 0.75 Vdc/6 Output
Mechanical Outline
RECOMMENDED LAYOUT
Connections
Function Remote On/Off Vin+ Ground Trim Vout+
SIZE: MIN: 0.12"* 0.095" (3.05mm 2.41mm) MAX: 0.135"* 0.11" (3.43mm 2.79mm)
RoHS Compliance
Complies with European Directive 2002/95/EC, calling elimination lead other hazardous substances from electronic products. These parts however compatible with higher temperatures associated with lead free solder processes must soldered using reflow profile with peak temperature more than
©2007 Fuse Inc. Specifications subject change without notice. 011207
CORPORATE Fuse Inc. Vorst Street Jersey City, 07302 201-432-0463 201-432-9542 WWW.belfuse.com
EAST Fuse Ltd. Street Kong Kowloon, Hong Kong 852-2328-5515 852-2352-3706 WWW.belfuse.com
EUROPE Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite Preston Lancashire, 8UD, U.K. 44-1772-556601 44-1772-888366 WWW.belfuse.com

SRBA-06A1Ax Non-Isolated High Efficiency High Power Density Fixed

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