UBA2028T/N1 NXP Semiconductors, UBA2028T/N1 Datasheet - Page 15

• Manufacturer Part Number: UBA2028T/N1
• Description: CFL DRIVER, 600V, DIMMABLE, 20SOIC
• Manufacturer: NXP Semiconductors

Specifications of UBA2028T/N1

• Module Configuration: Half Bridge
• Supply Current: 170µA
• Meter Display Type: Fluorescent Lamp
• Supply Voltage Range: 8.6V To 9.6V, 12.4V To 13.6V
• Driver Case Style: SOIC
• No. Of Pins: 20
• Operating: RoHS Compliant

NXP Semiconductors
Table 6.
V
(see application circuits of
[1]
UBA2028
Product data sheet
Symbol
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
sink(o)
source(o)
I
o
ph
ign
o
DD
m
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 μs at a bridge frequency of 40 kHz.
Characteristics
FS
−
Parameter
output sink current
output source current
input current
offset voltage
transconductance
output current
preheat time
ignition time
output current
LOW-level output voltage
HIGH-level output voltage
hysteresis voltage
V
SH
= 13 V; T
Figure 8
…continued
amb
and
= 25
Figure
°
C; all voltages referenced to GND unless otherwise specified
All information provided in this document is subject to legal disclaimers.
9).
Rev. 02 — 19 July 2010
Conditions
V
V
V
V
0 V to 2.5 V
f = 1 kHz
source and sink;
V
C
R
C
R
V
for output
i(CSW)
i(CSW)
CS
i(CSP)
i(CSW)
o(CT)
CT
IREF
CT
IREF
= 0 V
= 330 nF;
= 330 nF;
600 V dimmable power IC for compact fluorescent lamps
= 33 kΩ
= 33 kΩ
= 2.5 V
= V
= 2.0 V
= 2.0 V
= 2 V
i(CSN)
=
Min
27
9.0
-
−2
1900
85
1.6
-
5.5
-
-
2.05
Typ
30
10
-
0
3800
95
1.8
0.32
5.9
1.4
3.6
2.20
UBA2028
© NXP B.V. 2010. All rights reserved.
Max
33
11
1
+2
5700
105
2.0
-
6.3
-
-
2.35
Unit
μA
μA
μA
mV
μA/mV
μA
s
s
μA
V
V
V
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