UBA2014 datasheet(11/20 Pages) PHILIPS

11 / 20 page

2002 May 16

Philips Semiconductors

Product speciﬁcation

600 V driver IC for HF ﬂuorescent lamps

UBA2014

CHARACTERISTICS

All voltages 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

Ileak

leakage current on high-voltage

pins

voltage at pins FVDD, GH

and SH = 600 V

−−

µA

Start-up state

VDD

supply voltage for deﬁned driver

output

TR1 = off; TR2 = off

−−

VDD(start)

oscillator start voltage

12.4

13.0

13.6

VDD(low)

oscillator stop voltage

8.6

9.1

9.6

VDD(hys)

start-stop hysteresis

3.5

3.9

4.4

IDD(start)

start-up current

VDD <VDD(start)

−

170

200

µA

VDD(clamp)

clamp voltage

Power-down mode

Ipd

power-down current

VDD =9V

−

170

200

µA

VDD(reset)

reset voltage

TR1 = off; TR2 = off

4.5

5.5

7.0

IDD

operating supply current

fbridge = 40 kHz without gate

drive

−

1.5

2.2

Reference voltage

VVref

reference voltage

IL =10 µA

2.86

2.95

3.04

Isource(Vref)

source current capability

−−

Isink(Vref)

sink current capability

−−

ZVref

output impedance

IL = 1 mA source

−

3.0

−Ω

∆VVref/∆T

temperature coefﬁcient

IL =10 µA;

Tamb = 25 to 150 °C

−−0.64

−

%/K

Current supply

VIREF

voltage at pin IREF

−

2.5

−

IIREF

reference current range

−

µA

Voltage controlled oscillator

VCSW

control voltage

2.7

3.0

3.3

Vclamp

clamp voltage

burn state

2.8

3.1

3.4

ICF(start)

output oscillator start current

VCF = 1.5 V

3.8

4.5

5.2

µA

tstart

ﬁrst output oscillator stroke time

−

−µs

ICF(min)

minimum output oscillator current

VCF = 1.5 V

−

−µA

ICF(max)

maximum output oscillator current

VCF = 1.5 V

−

−µA

fmax

maximum bridge frequency

100

110

kHz

fmin

minimum bridge frequency

38.9

40.5

42.1

kHz

∆f

stab

frequency stability

Tamb = −20 to +80 °C

−

1.3

−

VCF(high)

high level output oscillator voltage

f = fmin

−

2.5

−

tnc(min)

minimum non-overlap time

GH to GL

0.68

0.90

1.13

µs

GL to GH

0.75

1.00

1.25

µs

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