FP7208 datasheet(11/13 Pages) FEELING

11 / 13 page

FP7208

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. 0.64

11/13

Layout Considerations

The power traces, consisting of the GND trace, the MOS drain trace and the VIN trace should

be kept short, direct and wide.

Layout switching node MOS drain, inductor and schottky diode connection traces wide and short

to reduce EMI.

Place C8 nearby HVDD pin as closely as possible to maintain input voltage steady and filter

noise.

The sense resistor RS must be connected to FB pin directly and as closely as possible.

FB is a sensitive node. Please keep it away from switching node, MOS drain.

The GND of the Q2, C1, C2, C12 and C13 should be connected close and together directly to a

ground plane.

The output capacitor C12 and C13 should be connected close and together directly to the ground

of Q2.

VLED

GND

VIN

Via to VIN

Via to GND

C13

C12

FP7208

EXT

HVDD

VDS

COMP

GND

OVP

Via to GND

Via to

VLED

Via to GND

Via to

Control

Via to

VIN

Suggested Layout

FP7208 Datasheet(PDF) 11 Page - Feeling Technology Corp.

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