2002 May 16

13

Philips Semiconductors

Product specification

600 V driver IC for HF fluorescent lamps

UBA2014

Note

1. The maximum non-overlap is determined by the level of the CF signal. If this signal exceeds a level of 1.25 V the

non-overlap will end, resulting in a maximum non-overlap time of 7.5

µs at a bridge frequency of 40 kHz.

Average current sensor

input current

−−

1

µA

offset voltage

−2

0

+2

mV

transconductance

f = 1 kHz

1900

3800

5700

µA/mV

output current

µA

Timer

preheat timer output current

5.5

5.9

6.3

µA

LOW-level preheat timer output

voltage

−

1.4

−

V

HIGH-level preheat timer output

voltage

−

3.6

−

V

preheat timer output hysteresis

2.05

2.20

2.35

V

preheat time

1.6

1.8

2.0

s

ignition time

−

0.26

−

s

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT