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S6503

Power Factor Collector

Kodenshi Auk Co., LTD 

S6503/P

Power Factor Collector

Description

It is Adaptable to a Discontinuous Mode of Operation that the S6503/P is Advanced PFC (Power Factor

Correction) Controller for the High Density Switching Mode Power Supply and Electronic Ballast systems.

The Bulky External components are eliminated in the Internal Start-up circuits, though it is taken in

Independent Boost Converter Operation. What is more, instead of the External components, the Low

Pass Filter is mounted in Internal Current Sense block. Internal Clamping of the Error Amplifier and

Multiplier Output improve turn on Overshoot Characteristics and Current Limiting. The One of features is

able to prevent Abnormal Condition, Open Lamp & Over Voltage.

Features

• Very Precise Adjustable Output OVP (Dynamic & Static OVP Function)

• Extremely Low Start-Up Current

• Low Operating Supply Current

• Internal Start-Up Timer

• Power Factor Maximizer & THD Minimizer Circuit

• Complete Wide Range Operation

• Feedback Open Protection

• Minimum On Timer

• Current Sense Filter On Chip

• Disable Function

• Extremely Minimized External Part Counts High Speed Response Time

Applications

• Switching Mode Power Supply (SMPS)

• Electronic Ballast

Ordering Information

Type NO.

S6503

S6503P

Marking

S6503

S6503

Package Code

SOP-8

DIP - 8

KSD-I1E004-002

1

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