UBA20272T datasheet(2/33 Pages) PHILIPS

Part #	UBA20272T

Description	350 V and 600 V Power ICs for dimmable compact fluorescent lamps

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Manufacturer	PHILIPS [NXP Semiconductors]

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UBA20271_UBA20272

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Product data sheet

Rev. 2.1 — 12 October 2011

2 of 33

NXP Semiconductors

UBA20271/2

350 V and 600 V Power ICs for dimmable compact fluorescent lamps

 Natural dimming curve by logarithmic correction

 Adjustable Minimum Dimming Level (MDL)

 Controlled lamp ON/OFF

2.5 Protection

 OverCurrent Protection (OCP) in boost and burn state

 Capacitive Mode Protection (CMP)

 OverPower Protection (OPP)

 Power-down function

 OverTemperature Protection (OTP)

2.6 Other features

 Current controlled operating in boost and burn state

 External power-down function

 Lamp flicker suppression

3.

Applications

 Dimmable compact fluorescent lamps for power levels from 5 W to 20 W directly

operating from 230 V (UBA20272) and 120 V (UBA20271) mains voltage.

4.

Ordering information

Table 1.

Ordering information

Type number

Package

Name

Description

Version

UBA20271T/N1

SO20

Plastic small outline package; 20 leads; body width 7.5 mm

SOT163-1

UBA20272T/N1

SO20

Plastic small outline package; 20 leads; body width 7.5 mm

SOT163-1

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