RDR-131 POWERINT [Power Integrations, Inc.], RDR-131 Datasheet - Page 13

Manufacturer Part Number

RDR-131

Description

Reference Design Report for 3 W Non- Isolated Constant Current LED Driver Using LNK306DN

Manufacturer

POWERINT [Power Integrations, Inc.]

Datasheet

1.RDR-131.pdf (24 pages)

OUTPUT CAPACITOR

DELTA_V

MAX_ESR

I RIPPLE

FEEDBACK COMPONENTS

RBIAS

RFB

CFB

C_SOFT_START

Note: The feedback components in the spreadsheet were not used on the power supply

because a higher impedance was required by the CC feedback circuit.

Page 13 of 24

39092

11.86

0.12

0.26

2.00

467

Amps

Volts

Ohm

Target Output Voltage Ripple

Maximum Capacitor ESR (milli-Ohms)

Output Capacitor Ripple current

Bias Resistor. Use closest standard 1% value

Feedback Resistor. Use closest standard 1% value

Feedback Capacitor

If the output Voltage is greater than 12 V, or total output

and system capacitance is greater than 100 uF, a soft

start capacitor between 1uF and 10 uF is recommended.

See AN-37 for details

Tel: +1 408 414 9200 Fax: +1 408 414 9201

Power Integrations

www.powerint.com