FP6277 Typical Application Optional C5 R4 Close to PGND L1 3.3µH VIN 1 2 LX VOUT 8 VO LX OC 7 R9 28k FP6277 C1 22µF 3 ON/ OFF 4 R1 73k 6 VIN FB EN GND C3 22µF C4 100µF 5 SOP-8L(EP) R2 10k Close to PGND Note: 1. Use ceramic capacitor of X5R or X7R for C1 and C3. 2. R4 and C5 are added for reducing EMI (Electromagnetic Interference). 3. EN voltage must be less than or equal to VIN voltage. 4. The OC pin must connect a resistor R9 to ground setting current limit. This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 0.65 11/12
