uba20270 NXP Semiconductors, uba20270 Datasheet - Page 20

• Manufacturer Part Number: uba20270
• Description: 600 V Driver Ic For Dimmable Compact Fluorescent Lamps
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
V
positive currents flow into the IC, unless otherwise specified.
UBA20270
Product data sheet
Symbol
Bootstrap diode
V
Preheat current sensor
Input: pin SLS
I
V
Output: pin CI
I
I
Preheat timer, ignition timer, overcurrent fault timer
Pin CP
t
t
t
I
V
V
V
I
V
V
Boost timer
Pin CB
t
I
V
I(SLS)
o(source)CI
o(sink)CI
ph
en(ign)
fault(oc)
o(CP)
pu(CP)
bst
o(CB)
DD
F
ph(SLS)
th(CP)min
th(CP)max
hys(CP)
th(pd)CP
th(rel)CP
th(CB)min
= 13 V; V
Characteristics
FS
Parameter
forward voltage
input current on pin
SLS
preheat voltage on pin
SLS
source output current
on pin CI
sink output current on
pin CI
preheat time
ignition enable time
overcurrent fault time
output current on pin
CP
minimum threshold
voltage on pin CP
maximum threshold
voltage on pin CP
hysteresis voltage on
pin CP
pull-up current on pin
CP
power-down threshold
voltage on pin CP
release threshold
voltage on pin CP
boost time
output current on pin
CB
minimum threshold
voltage on pin CB
- V
HBO
= 13 V; T
…continued
amb
= 25
Conditions
bootstrap diode; I
(V
V
V
V
C
R
C
R
C
R
initial voltage V
V
sink (+)
V
burn state, pin CP connected
to SGND via 10 k
hold state, V
C
V
sink (+)

All information provided in this document is subject to legal disclaimers.
C; settings according to default setting in
i(SLS)
CI
CI
CP
CP
CB
CP
ext(RREF)
CP
ext(RREF)
CP
ext(RREF)
CB
F
= 2.0 V; V
= 2.0 V; V
= V
= 4.1 V; source () and
= 3.8 V
= 2.35 V; source () and
= 470 nF;
= 470 nF;
= 470 nF;
= 470 nF; T
= 0.4 V
DD
Rev. 2 — 8 September 2011
- V
= 33 k
= 33 k
= 33 k;
DCI
FS
i(SLS)
i(SLS)
CP
)
600 V Driver IC for dimmable compact fluorescent lamps
= 1.4 V
j
< 80 C
FS
= 5.0 V
> 0.6 V
< 0.6 V
= 5 mA;
[3]
Min
1.3
-
0.57
10.6
26
-
-
-
5.5
-
-
0.6
-
-
-
-
0.8
-
Table
6, all voltages referenced to GND,
Typ
1.7
-
0.60
9.6
29
0.93
0.22
0.10
5.9
3.8
4.5
0.7
60
1.0
2.7
148
1.0
1.1
UBA20270
Max
2.1
1
0.63
8.6
32
-
-
-
6.3
-
-
0.8
-
-
-
-
1.2
-
© NXP B.V. 2011. All rights reserved.
Unit
V
A
V
A
A
s
s
s
A
V
V
V
A
V
V
s
A
V
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