uba20271 NXP Semiconductors, uba20271 Datasheet - Page 22

• 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
Ignition current detection
Input: pin CSI
V
t
Capacitive mode detection
Input: pin SLS
V
Output: pin CI
I
Lamp current sensor and dimming control
Input: pin CSI
R
V
V
Input: pin DCI
V
R
V
V
w(det)ign(min)
o(sink)CI
DD
th(det)ign(CSI)
th(capm)SLS
i(CSI)
clamp(CSI)
i(DCI)
th(bst)DCI
th(bst)hys(DCI)
i(CSI)
i(DCI)
= 13 V; V
Characteristics
FS
- V
Parameter
ignition detection
threshold voltage on
pin CSI
minimum ignition
detection pulse width
capacitive mode
threshold voltage on
pin SLS
sink output current on
pin CI
input resistance on pin
CSI
input voltage on pin
CSI
clamping voltage on
pin CSI
input voltage on pin
DCI
input resistance on pin
DCI
boost threshold
voltage on pin DCI
hysteresis boost
threshold voltage on
pin DCI
HBO
= 13 V; T
…continued
amb
= 25
Conditions
V
pulse
V
V
boost and burn state
V
V
controlled feedback RMS
voltage at minimum dim
level; V
R
R
controlled feedback RMS
voltage at mid scale of l
curve in burn state;
V
R
voltage rectification range for
linear operation
100 % light output;
V
minimum voltage set by MDL
pin resistor
V

All information provided in this document is subject to legal disclaimers.
C; settings according to default setting in
th(det)ign(CSI)
SLS
CI
i(CSI)
i(CSI)
i(DCI)
i(DCI)
i(CSI)
ext(RREF)
MDL
ext(RREF)
350 V and 600 V Power ICs for dimmable compact fluorescent lamps
= 2.0 V; ignition state or
> V
= 2.0 k
= 1 V
= 1 V
= 0.9 V;
= 1 V
 1.34 V
i(DCI)
Rev. 2 — 8 September 2011
th(capm)SLS
= 33 k;
= 33 k
= 0 V;
= 0.75 V square
;
in
log
[4]
1
40
-
-
1
Min
0.55
685
15
26
44
2.5
V
1.00
80
T(hec2)DCI
Table
6, all voltages referenced to GND,
Typ
0.60
885
5
29
-
50
50
215
-
1.0
-
-
1.05
100
UBA20271/2
Max
0.65
1085
0
32
-
60
56
-
+2.5
-
1.34
-
1.10
120
© NXP B.V. 2011. All rights reserved.
Unit
V
ns
mV
A
M
k
mV
mV
V
V
V
M
V
mV
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