UBA2017 datasheet(19/29 Pages) PHILIPS

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UBA2017

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Product data sheet

Rev. 2 — 15 May 2012

19 of 29

NXP Semiconductors

UBA2017/UBA2017A

600 V fluorescent lamp driver with linear dimming function

Thermal characteristics

10. Characteristics

Table 5.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction to

ambient

in free air; mounted on a single-sided PCB;

SO16 package

120

K/W

in free air; mounted on a single-sided PCB;

DIP16 package

K/W

Table 6.

Characteristics

Tamb = 25 °C; settings according to default setting[1]; all voltages referenced to GND; current flow into the IC is positive;

unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

High voltage

Ileak

leakage current

VFSHB =630 V;

VGHHB =630 V;

VSHHB = 630 V; VVDD =0V

μA

Start-up

Vstartup(VDD)

start-up voltage on pin VDD

11.9

12.4

12.9

Vstop(VDD)

stop voltage on pin VDD

9.6

10.0

10.4

Vhys(VDD)

hysteresis voltage on pin VDD

2.1

2.4

2.7

Istb(VDD)

standby current on pin VDD

VVDD = 11.5 V

0.2

0.24

0.28

Ipu(PH/EN)

pull-up current on pin PH/EN

Standby or Stop state;

VPH/EN =0.25V

7.7

10.3

μA

Vrst(VDD)

reset voltage on pin VDD

3.6

4.2

4.8

Vrestart(VDD)

restart voltage on pin VDD

6.2

6.5

6.8

Irestart(VDD)

restart current on pin VDD

VVDD = 9 V

0.85

1.1

1.35

Vclamp(VDD)

clamp voltage on pin VDD

IC off; IVDD = 0.33 mA

13.0

13.4

13.8

Iclamp(VDD)

clamp current on pin VDD

IC off; VVDD = 14.0 V

IVDD

supply current

1.2

1.7

2.2

HB preheat

Rext(PH/EN)

external resistance on pin PH/EN

38.6

tto(ph)

preheat time-out time

CCPT = 100 nF

0.8

0.94

1.08

VO(PH/EN)

output voltage on pin PH/EN

during preheat or ignition state

1.78

1.84

1.9

Vctrl(ph)SLHB

overcurrent protection threshold voltage

on pin SLHB

preheat

0.44

0.48

0.52

Ich(CIFB)

charge current on pin CIFB

no fault detected; Preheat and

Ignition states only;

VCIFB =1.5 V

−10.3 −9.0

−7.7

μA

Idch(CIFB)

discharge current on pin CIFB

preheat overcurrent detected;

VCIFB =1.5 V

7.7

9.0

10.3

μA

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