SRBC-16F2Ax Series Non-Isolated High Efficiency High Power Densit
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V-5.5 Input 0.75 V-3.63 V/16 Output
SRBC-16F2Ax Series
Non-Isolated High Efficiency High Power Density Fixed Frequency (300 kHz) OCP/SCP Flexible Output Voltage Sequencing Remote On/Off
RoHS Compliant
Under-voltage Lockout (UVLO) Over Temperature Protection Wide Input Range Wide Trim Range Remote Sense Converter sink source current Active Low/High (option)
Description
SRBC-16F2Ax modules series non-isolated dc/dc converters that deliver output current with full load efficiency output. These modules provide precisely regulated voltage programmable external resistor from 0.75 3.63 over wide range input voltage (2.4-5.5 These modules have sequencing feature that enables designers implement various types output voltage sequencing when powering multiple voltages board. open-frame construction small footprint enable designers develop cost space-efficient solutions. Standard features include remote On/Off, remote sense, over current protection, short current protection, wide input, programmable output voltage.
Part Selection
Output Voltage 0.75 V-3.63
Input Voltage V-5.5
Max. Output Current
Max. Output Power 58.1
Typical Efficiency
Model Number Active SRBC-16F2AL
Model Number Active High SRBC-16F2A0
Model Number Active SRBC-16F2AW
Notes: These modules buck topology, output voltages must less than input voltage. indicates special coating. Model Number indicate Tray Packaging.
Absolute Maximum Ratings
Parameter Input Voltage (continuous) Output Enable Terminal Voltage Sequencing Voltage
-0.3 -0.3 -0.3
Notes
Ambient Temperature Storage Temperature
Notes: specifications typical unless otherwise stated. SRBC-16F2Ax series modules include sequencing feature that enables users implement various types output voltage sequencing their applications. This accomplished additional sequencing pin. When sequencing feature used, Vin.
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 www.belfuse.com
V-5.5 Input 0.75 V-3.63 V/16 Output
Input Specifications
Parameter Input Voltage Input Current (full load) Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V Vo=1.2V Vo=0.75V Input Current load) 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
11.23 8.70 6.40 5.45 4.52 3.05 0.15
15.10 14.81 13.64 11.76 9.64 6.69
Notes Vin-0.8
Tested with 100uF/10V tantalum input capacitors (P/N: TPSC107K010R0075 AVX) simulated source impedance MHz.
Output Specifications
Parameter Output Voltage Point Output Voltage Point Load Regulation Line Regulation Regulation Over Temperature (-40 Output Current Current Limit Threshold Short Circuit Surge Transient Ripple Noise (pk-pk) Ripple Noise (rms) Turn Time Overshoot Turn Output Capacitance mohm mohm Vo,set Vo,set 0.4% Vo,set 0.3% Vo,set 0.5% Vo,set 1.6A Vo,set
Vo,set Vo,set Vo,set 1000 5000
Notes Vin=5 lo=lomax full load Over operating input voltages, resistive loads temperature conditions Io=Io, Vin=Vin, Vin, Tref=Ta,
Tested with 0-20 MHz, tantalum capacitor ceramic capacitor output
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 www.belfuse.com
V-5.5 Input 0.75 V-3.63 V/16 Output
Output Specifications (continued)
Parameter Transient Response 100% Load Settling Time 100% Load Settling Time 100% Load Settling Time 100% Load Settling Time di/dt=2.5 A/uS; Vin=5 with uF/16 tantalum capacitor uF/10 ceramic capacitor output di/dt=2.5 A/us, Vin=5 with uF/10 tantalum capacitors uF/10 ceramic capacitor output Notes
Note: specifications typical nominal input (Vin=5 full load unless otherwise stated.
General Specifications
Parameter Efficiency Vo=3.3 Vo=2.5 Vo=1.8 Vo=1.5 Vo=1.2 Vo=0.75 Switching Frequency Over Temperature Shutdown Output Trim Range (Wide Trim) Remote Sense Compensation MTBF Dimensions Inches Millimeters Weight 1.30 0.53 0.315 33.02 13.46 8.00 0.7525 5,438,000 hours 3.63 Notes
Measured Vin=5 full load
Calculated Bell Core SR-332 Nominal;
Note: specifications typical unless otherwise stated.
Control Specifications
Parameter Remote On/Off Signal (Unit Off) Signal High (Unit Signal (Unit Signal High (Unit Off) Sequencing Voltage Sequencing Slew Rate Capability Sequencing Delay Time Tracking Accuracy Power-Up Power-Down -0.3 -0.3 0.05V V/mS Delay from Vin, application voltage Notes SRBC-16F2A0; Remote On/Off open, Unit SRBC-16F2AL SRBC-16F2AW; Remote On/Off open, Unit Sequencing Voltage should higher than output voltage.
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 www.belfuse.com
V-5.5 Input 0.75 V-3.63 V/16 Output
Output Trim Equations
Equation calculating trim resistor given desired adjusted voltage (Vadj) shown below. Trim resistor should connected between Trim Ground.
Vout
Rtrim
21.07 5.11 Vadj 0.7525
Module Trim
Rtrim
Equation calculating trim voltage given desired adjusted voltage (Vadj) shown below. Trim voltage should connected between Trim Ground.
Vtrim 0.1698 (Vadj 0.7525)
Module
Vout
Trim
Vtrim
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 www.belfuse.com
V-5.5 Input 0.75 V-3.63 V/16 Output
Efficiency Data
98.0% 96.0%
100.0% 95.0%
94.0% 92.0% 90.0% 88.0% 86.0% 84.0% 82.0% 80.0%
70.0% 90.0% 3.0V 3.3V 5.5V
4.5V 5.5V
80.0% 75.0% 85.0%
Vo=3.3
Vo=2.5
95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 5.5V
95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 3.3V 5.5V
Vo=1.8
Vo=1.5
95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 3.3V
90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 45.0% 3.3V 5.5V
Vo=1.2
Vo=0.7525
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 www.belfuse.com
V-5.5 Input 0.75 V-3.63 V/16 Output
Thermal Derating Curves
Vin=5.0 Vo=2.5
Vin=5.0 Vo=1.5
Vin=5.0 Vo=0.7525
Vin=3.3 Vo=1.5
Vin=3.3 Vo=0.7525
Fuse Inc. Vorst Street, Jersey City, 07302 201-432-0463 201-432-9542 www.belfuse.com
V-5.5 Input 0.75 V-3.63 V/16 Output
Mechanical Outline
Connections
Function Remote On/Off Ground Vout Trim Remote Sense
BOTTOM VIEW
SIZE: MIN: 0.14"* 0.095" (3.56mm 2.41mm) MAX: 0.165"* 0.11" (4.19mm 2.79mm)
RoHS Compliance
Complies with European Directive 2002/95/EC, calling elimination lead other hazardous substances from electronic products.
©2005 Fuse Inc. Specifications subject change without notice. 120905
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
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