Table of Contents
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Basic Characteristics Data
Model
Circuit method
BRFS30
Buck Converter
BRFS40
Buck Converter
BRFS50
Buck Converter
BRFS50L
Buck Converter
BRFS60
Buck Converter
BRFS100
Buck Converter
*1
Refer to Specification.
*2
BRFS50,50L,60 and 100 has 2 Phase Interleaving inverters, the frequency of ripple is 600kHz.
*3
Refer to the Instruction Manual.
BRFS
BRFS-6
Basic Characteristics Data
Switching
Input
frequency
current
[kHz]
[A]
(reference)
*1
300
*1
300
*2
*1
300
*2
*1
300
*2
*1
300
*2
*1
300
Inrush
PCB/Pattern
current
Material
protection
-
glass fabric base,epoxy resin
-
glass fabric base,epoxy resin
-
glass fabric base,epoxy resin
-
glass fabric base,epoxy resin
-
glass fabric base,epoxy resin
-
glass fabric base,epoxy resin
Series/Parailel
operation
Single
Double
Series
Parailel
sided
sided
operation
operation
*3
-
-
Multilayer
*3
-
Multilayer
-
*3
-
-
Multilayer
*3
-
Multilayer
-
*3
-
Multilayer
-
*3
-
-
Multilayer
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Table of Contents
Summary of Contents for PowerBox COSEL BRFS30
- Page 1 Basic Characteristics Data Basic Characteristics Data Switching Series/Parailel Input Inrush PCB/Pattern operation frequency Model Circuit method current current [kHz] Single Double Series Parailel Material protection sided sided operation operation (reference) BRFS30 Buck Converter glass fabric base,epoxy resin Multilayer BRFS40 Buck Converter glass fabric base,epoxy resin Multilayer BRFS50...
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Page 2: Series And Parallel Operation
Instruction Manual DC-DC Converters PCB Mount type Pin Confi guration BRFS-8 Connection for Standard Use BRFS-8 Wiring Input / Output Pin BRFS-9 BRFS-9 Wiring input pin BRFS-9 Wiring output pin Function BRFS-10 BRFS BRFS-10 Overcurrent protection BRFS-10 Thermal protection BRFS-10 Remote ON / OFF BRFS-10 Remote sensing... -
Page 3: Pin Configuration
Instruction Manual DC-DC Converters PCB Mount type 1 Pin Confi guration Connection for Standard Use ¡ In order to use power supply,it is necessary to wire as shown in Table 1.1 Pin connection and function of BRFS30/40 Fig.2.1 and Fig.2.2. Pin No. -
Page 4: Wiring Input/Output Pin
Instruction Manual DC-DC Converters PCB Mount type (4) Reverse input voltage protection 3 Wiring Input/Output Pin ¡ Avoid the reverse polarity input voltage. It will damage the power supply. It is possible to protect the unit from the reverse input voltage by installing an external diode as shown in Fig.3.2. - Page 5 Instruction Manual DC-DC Converters PCB Mount type 4.4 Remote sensing 4 Function (1) When the remote sensing function is not in use +VOUT 4.1 Overcurrent protection LOAD ¡ Over Current Protection (OCP) is built-in and works at 105% of the rated current or higher. However, use in an overcurrent situa- Short at pin root tion must be avoided whenever possible.
- Page 6 Instruction Manual DC-DC Converters PCB Mount type Table 4.2 Calculation result of Table 4.3 Calculation result of BRFS30 BRFS40 VOUT VOUT VOUT VOUT OPEN OPEN Setting 40.0kW 30.0kW 20.0kW 20.0kW 11.429kW 13.3kW 8.0kW 10.0kW 4.706kW Fig.4.7 SEQ > Vout setting 3.2kW VOUT Table 4.4 Calculation result of...
- Page 7 Instruction Manual DC-DC Converters PCB Mount type (c) The time lag 5 Series and Parallel Operation +VOUT B +VOUT A BRFS A 5.1 Series operation BRFS B ¡ Series operation is not possible. +VOUT A 5.2 Parallel operation +VOUT B ¡...
- Page 8 Instruction Manual DC-DC Converters PCB Mount type 6 Implementation - Mounting Method +VIN +VIN +VIN SHARE SHARE 6.1 Mounting method +VOUT ¡ The unit can be mounted in any direction. When two or more pow- (a) BRFS30/40 (b) BRFS50/50L/60 (c) BRFS100 er supplies are used side by side, position them with proper inter- vals to allow enough air ventilation.
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Page 9: Safety Considerations
Instruction Manual DC-DC Converters PCB Mount type Temperature measurement location 7 Safety Considerations Point A ¡ To apply for safety standard approval using this power supply, the following conditions must be met. ¿ This unit must be used as a component of the end-use equipment. ¿... -
Page 10: Package Information
Instruction Manual DC-DC Converters PCB Mount type ±0.15 9 Package Information ±0.1 ± 0.05 ¡ Please refer to a Fig.9.1 to Fig.9.4 for Package form (Reel). ¡ The packed number is 200 (BRFS30/40), 100 (BRFS50/50L/60), 80 (BRFS100). ±0.15 ± ±0.05 ±0.1 ±0.1 B-B cross section...
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