UBA2014P datasheet(3/20 Pages) PHILIPS

3 / 20 page

2002 May 16

Philips Semiconductors

Product speciﬁcation

600 V driver IC for HF ﬂuorescent lamps

UBA2014

QUICK REFERENCE DATA

All voltages are referenced to GND; VDD = 13 V; VFVDD − VSH = 13 V; Tamb =25 °C; unless otherwise speciﬁed; see

Chapter “Application information”.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

High-voltage supply

VHS

high side supply voltage

IHS <30 µA; t < 1 s

−−

600

Start-up state

VDD(start)

oscillator start voltage

12.4

13.0

13.6

VDD(stop)

oscillator stop voltage

−

9.1

−

IDD(start)

start-up current

VDD <VDD(start)

−

170

200

µA

Reference voltage

VVref

reference voltage

IL =10 µA

−

2.95

−

Voltage controlled oscillator

fmax

maximum bridge

frequency

−

100

−

kHz

fmin

minimum bridge frequency

38.9

40.5

42.1

kHz

Output drivers

Isource(GH)

output driver source

current

VGH − VSH = 0; VGL =0

−

180

−

Isink(GH)

output driver sink current

VGH − VSH =13V

−

300

−

Preheat current sensor

Vph

preheat voltage level

−

0.60

−

Lamp voltage sensor

Vlamp(fail)

lamp fail voltage level at

pin LVS

0.77

0.81

0.85

Vlamp(max)

maximum lamp voltage

level at pin LVS

1.44

1.49

1.54

Average current sensor

Voffset

offset voltage

VCS = 0 to 2.5 V

−2

transconductance

f = 1 kHz

−

3800

−µA/mV

Timer

tph

preheat time

CCT = 330 nF;

RIREF =33kΩ

1.6

1.8

2.0

VOL(CT)

LOW-level output voltage

at pin CT

−

1.4

−

VOH(CT)

HIGH-level output voltage

at pin CT

−

3.6

−

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