RDK-251 Power Integrations, RDK-251 Datasheet - Page 8

• 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

3 Schematic
Figure 4 – Schematic (highlighted blocks may be removed for non-dimming applications.)
Note:
allowing the following parts can be deleted: Q3, R20, R3, R4, R10, R11 C6 and C3. Replace 0
for the following locations: R7, R8, and R20.
Busch 2250 (600 W) or alike the following parts can be tuned. Replace F1 to 47 / 2 W fusible
resistors, R7 and R8 to 20, C6 to 220 nF, R10 and R11 to 510  / 0.5 W minimum, C3 to 150nF
and R16 to 1 k / 0.25 W.
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
C1, R22 and C12 are not populated.
For non-dimming application, the Active Damper and Bleeder blocks can be removed
For high line only application and to match high leakage dimmer such as REV 300 W,
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