uba20271 NXP Semiconductors, uba20271 Datasheet - Page 20

• Manufacturer Part Number: uba20271
• Description: 350 V And 600 V Power Ics For Dimmable Compact Fluorescent Lamps
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
V
positive currents flow into the IC, unless otherwise specified.
UBA20271_UBA20272
Product data sheet
Symbol
R
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
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
on(150)
= 13 V; V
/R
on(25)
Characteristics
FS
- V
Parameter
on-state resistance
ratio (150 C to 25 C)
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
HBO
= 13 V; T
…continued
amb
= 25
Conditions
R
R
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
ON
ON
CP
ext(RREF)
CP
ext(RREF)
CP
ext(RREF)
CB
350 V and 600 V Power ICs for dimmable compact fluorescent lamps
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
at T
at T
= 0.4 V
DD
Rev. 2 — 8 September 2011
j
j
= 150 C /
= 25 C
-V
= 33 k
= 33 k
= 33 k;
FS
DCI
i(SLS)
i(SLS)
)
CP
= 1.4 V
j
< 80 C
FS
= 5.0 V
> 0.6 V
< 0.6 V
= 5 mA;
[3]
-
-
-
-
-
0.8
Min
-
1.3
0.57
10.6
26
-
5.5
-
-
0.6
-
-
Table
6, all voltages referenced to GND,
Typ
1.7
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
UBA20271/2
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
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