UBA2014 NXP Semiconductors, UBA2014 Datasheet - Page 13

• Manufacturer Part Number: UBA2014
• Description: 600 V Driver Ic For Hf Fluorescent Lamps
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 6:
V
specified.
[1]
9397 750 11428
Product data sheet
Symbol
Lamp voltage sensor
Input: pin LVS
I
V
V
V
Output: pin CSW
I
I
Average current sensor
Input: pins CSP and CSN
I
V
g
Output: pin CSW
I
Preheat timer; pin CT
t
t
I
V
V
V
i
o(sink)
o(source)
i
o
ph
ign
o
DD
m
lamp(fail)
lamp(fail)(hys)
lamp(max)
offset
OL
OH
hys
= 13 V; V
The maximum non-overlap time 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 s at a bridge frequency of 40 kHz.
Characteristics
FVDD
Parameter
input current
lamp fail voltage
lamp fail hysteresis voltage
maximum lamp voltage
output sink current
ignition output source current
input current
offset voltage
transconductance
output current
preheat time
ignition time
output current
LOW-level output voltage
HIGH-level output voltage
output hysteresis voltage
V
SH
= 13 V; T
…continued
amb
= 25 C; all voltages referenced to GND; see test circuit of
Rev. 02 — 12 September 2005
Conditions
V
V
V
V
V
f = 1 kHz
source and sink; V
C
R
C
R
V
LVS
CSW
CSW
CS
CSP
CT
CT
IREF
CT
IREF
= 0 V
= 330 nF;
= 330 nF;
= 2.5 V
= 0.81 V
= V
= 2.0 V
= 2.0 V
= 33 k
= 33 k
CSN
= 0 V to 2.5 V
CSW
= 2 V
600 V driver IC for HF fluorescent lamps
Min
-
0.77
119
1.44
27
9.0
-
1900
85
1.6
-
5.5
-
-
2.05
2
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Typ
-
0.81
144
1.49
30
10
-
0
3800
95
1.8
0.32
5.9
1.4
3.6
2.20
Figure
UBA2014
8; unless otherwise
Max
1
0.85
169
1.54
33
11
1
+2
5700
105
2.0
-
6.3
-
-
2.35
Unit
V
mV
V
mV
s
s
V
V
V
A
A
A
A
A/mV
A
A
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