PT5611-D datasheet(1/4 Pages) PTC

Part #	PT5611-D

Description	Dimming Ballast Controller IC

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Manufacturer	PTC [Princeton Technology Corp]

Direct Link	http://www.princeton.com.tw

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PT5611

Dimming Ballast Controller IC

Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan

DESCRIPTION

PT5611 is a dimming ballast controller, which is

available to implement closed loop feedback control of

the lamp power. PT5611 has external programmable

features, such as preheat time and preheat current. All

of these provide a great degree of flexibility for the

ballast design engineers. With different connections,

PT5611 has the dimming ability with potentiometer or

remote controller. And the PT5611 is available in both

16-pin DIP and 16-pin SOP package.

APPLICATIONS

• All types of fluorescent lamps

• Potentiometer & remote dimmer

FEATURES

• Dimming range: 8%~100%

• Provides capacitive mode protection of half-bridge

inverter

• Over-voltage protection and thermal protection

• Programmable preheat time and preheat current

(Frequency)

• Pin SHUNDOWN can be controlled by MCU

• Closed-loop lamp power control

• Minimum dimming control

BLOCK DIAGRAM

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