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Basic Characteristics Data
Model
Circuit method
LGA
LGA50A
Forward Converter
LGA
LGA75A
Forward Converter
LGA100A
Forward Converter
LGA150A
Forward Converter
LGA240A
Forward Converter
*1
The value of input current is at ACIN 100V and rated load.
*2
Refer to Instruction Manual 2.
LGA-12
LGA-12
Basic Characteristics Data
Switching
Input
frequency
current
* 1
[kHz]
[A]
130
1.3
130
1.7
130
2.4
130
3.6
130
5.0
Inrush
PCB/Pattern
current
Single
protection
Material
sided
Thermistor
CEM-3
Yes
Thermistor
CEM-3
Yes
SCR
CEM-3
Yes
SCR
CEM-3
Yes
SCR
CEM-3
Yes
Series/Parallel
* 2
operation availability
Double
Series
Parallel
operation
operation
sided
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
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Related Manuals for Cosel LGA50A Series
Summary of Contents for Cosel LGA50A Series
- Page 1 Basic Characteristics Data Basic Characteristics Data Series/Parallel Switching Input Inrush PCB/Pattern operation availability frequency current current Model Circuit method Single Double Series Parallel protection Material [kHz] operation operation sided sided LGA50A Forward Converter Thermistor CEM-3 LGA75A Forward Converter Thermistor CEM-3 LGA100A Forward Converter CEM-3...
- Page 2 Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type Function LGA-14 LGA-14 Input voltage range LGA-14 Inrush current limiting LGA-14 Overcurrent protection LGA-14 Overvoltage protection LGA-14 Output voltage adjustment range LGA-14 Isolation Series Operation and Parallel Operation LGA-14 Assembling and Installation Method LGA-15 LGA-15 Installation method...
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Page 3: Series Operation And Parallel Operation
Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type Remarks: 1 Function Please avoid applying the over-rated voltage to the output termi- nal. Power supply may operate incorrectly or fail.In case of oper- ating a motor etc. , please install an external diode on the output 1.1 Input voltage range terminal to protect the unit. -
Page 4: Installation Method
Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type ¿ LGA50A-24, -48 1 (E)mounting 3 Assembling and (B), (C), (D)mounting (A)mountin Installation Method 1Convection (A) ~ (F) 2Forced air (0.5m / min) mounting 3.1 Installation method ¡ This power supply is manufactured by SMD technology. The stress to P.C.B like twisting or bending causes the defect of Ambient temperature * [F] mounting should be operated by Forced air. - Page 5 Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type ¿ LGA100A- ¡ Derating curve depending on input voltage -SN (with Chassis & Cover) Derating curve depending on input voltage is shown in Fig.3.14. (E)mounting (B)mounting (A)mounting (C), (D)mounting 1Convection (A) ~ (F) Forced air (0.5m / min) mounting...
- Page 6 Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type Table 3.1 Temperatures of Point A, Point B LGA50A-3R3-Y, -5, -12, -15 Table 3.4 Temperatures of Point A, Point B LGA100A- Mounting Cooling Max temperature Mounting Cooling Max temperature Load factor Load factor Point A[C] Point B[C]...
- Page 7 Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type 3.3 Mounting screw Table 3.9 Expectancy Life (LGA75A- Mounting Cooling Average ambient Load factor ¡ The mounting screw should be M3. The hatched area shows the Method Method temperature (year) Io[75% 75%<Io[100% allowance of metal parts for mounting.
- Page 8 Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type Table 3.14 Warranty (LGA50A-24, -48) 4 Ground Mounting Cooling Average ambient Load factor Io[75% 75%<Io[100% Method Method temperature (year) Ta = 35C or less 5years 5years Convection ¡ When installing the power supply with your unit, ensure that the Ta = 45C 5years 3years...
- Page 9 Instruction Manual AC-DC Power Supplies Open Frame/ Enclosed Type ¿ -H(LGA50A-24,LGA75A-24,LGA100A- - To increase the output voltage, turn a built-in potentiometer clockwise. 24,LGA150A-24,LGA240A-24) -To decrease the output voltage, turn it counterclockwise. -Option -H units can output the peak current. - Please take care when you adjust output voltage by potentiometer, -Peak load is possible to draw as below.
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