RDK-251 Power Integrations, RDK-251 Datasheet - Page 16

• Manufacturer Part Number: RDK-251
• Description: KIT REF DESIGN FOR LNK457D
• Manufacturer: Power Integrations
• Series: LinkSwitch®-PLr

Specifications of RDK-251

• Current - Output / Channel: 350mA
• Outputs And Type: 1, Isolated
• Voltage - Output: 12 ~ 18 V
• Features: Dimmable
• Voltage - Input: 90 ~ 265VAC
• Utilized Ic / Part: LNK457D
• Output Voltage: 12 V
• Input / Supply Voltage (max): 265 VAC
• Input / Supply Voltage (min): 90 VAC
• Duty Cycle (max): 39.9 %
• Mounting Style: Through Hole
• Output Current: 350 mA
• Output Power: 5 W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1345

ACDC_LinkSwitch-PL-
Flb_042910; Rev.1.0;
Copyright Power
Integrations 2010
LG
BWE
OD
INS
DIA
AWG
CM
CMA
Primary Current Density (J)
SECONDARY DESIGN PARAMETERS
ISP
ISRMS
IO
PIVS
CMS1
AWGS
DIAS
ODS
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
INPUT
INFO
OUTPUT
0.618
25.8
0.20
0.04
0.16
9.61
3.87
0.91
0.35
83.6
0.36
1.29
208
183
35
32
27
Cmils/Amp
A/ mm^2
AWG
Cmils
Cmils
AWG
UNIT
mm
mm
mm
mm
mm
mm
mm
A
A
A
V
ACDC_LinkSwitch-PL_Flb_042910;
LinkSwitch-PL Flyback Transformer
Design Spreadsheet
Gap Length (Lg > 0.1 mm)
Effective Bobbin Width
Maximum Primary Wire Diameter
including insulation
Estimated Total Insulation Thickness (=
2 * film thickness)
Bare conductor diameter
Primary Wire Gauge (Rounded to next
smaller standard AWG value)
Bare conductor effective area in circular
mils
Primary Winding Current Capacity (200
< CMA < 500)
Primary Winding Current density (3.8 < J
< 9.75 A/mm^2)
Peak Secondary Current
Secondary RMS current
Output Current
Peak Inverse Voltage experienced by
the output diode with added 10% margin
added for reverse recovery voltage
spike
Output Winding Bare Conductor
minimum circular mils
Wire Gauge (Rounded up to next larger
standard AWG value)
Minimum Bare Conductor Diameter
Maximum Outside Diameter for Triple
Insulated Wire
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