uba20260 NXP Semiconductors, uba20260 Datasheet - Page 20

• Manufacturer Part Number: uba20260
• Description: 600 V Driver Ic For Step Dimmable Cfls
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
V
referenced to PGND and SGND, positive currents flow into the UBA20260, unless otherwise specified.
UBA20260
Objective data sheet
Symbol
I
t
Pin CSI
N
Coil saturation protection and overcurrent detection
Input: pin SLS
V
V
t
Output pin CI
I
Output pin CF
I
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
det(dis)bst
t(bst-burn)
leb
o(sink)CI
w(det)ign(min)
o(sink)CI
DD
th(sat)SLS
th(ocp)SLS
th(det)ign(CSI)
th(capm)SLS
i(CSI)
clamp(CSI)
LCBR
i(CSI)
o(sat)CF
= 13 V; V
Characteristics
FS

Parameter
boost disable detection current
transition time from boost to burn
lamp current boost ratio
saturation threshold voltage on
pin SLS
overcurrent protection threshold
voltage on pin SLS
leading edge blanking time
sink output current on pin CI
saturation output current difference
on pin CF
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
V
HBO
= 13 V; T
…continued
amb
= 25
All information provided in this document is subject to legal disclaimers.

C; settings according to default setting see
Rev. 1 — 9 September 2011
Conditions
V
C
burn state; default start-up state
(no dimming)
ignition state
boost state and burn state
GLS time
V
clocked
V
LS switch = on
V
V
ignition state or boost and burn
state
V
minimum dim level;
R
RMS voltage; clamp active; default
start-up burn state; 100 % on
V
detection disabled for first part of
V
rectification linear for operation
CB
i(CSI)
CI
CF
th(det)ign(CSI)
i(SLS)
i(CSI)
i(CSI)
CP
ext(RREF)
= 2 V; V
= 0 V
= 1.5 V; ignition state;
= 470 nF; T
in boost state versus V
= 1 V
= 1 V
> V
th(capm)SLS
= 33 k; R
i(SLS)
= 0.75 V square pulse
j
> V
< 80 C
; V
th(sat)SLS
MDL
CI
600 V driver IC for step dimmable CFLs
= 2 V;
= 2 k
i(CSI)
; cycle
Table 6 on page
in
[4]
Min
30
-
1.4
-
26
-
0.55
685
15
26
40
2.5
44
-
2.3
2.3
1
UBA20260
25, all voltages
Typ
25
3.6
1.5
2.5
2.5
800
29
160
0.6
885
5
29
-
50
-
50
1
© NXP B.V. 2011. All rights reserved.
20
-
2.7
2.7
-
32
-
0.65
1085
0
32
60
Max
1.6
-
+2.5
56
-
20 of 30
Unit
A
s
V
V
V
ns
A
A
V
ns
mV
A
M
k
V
mV
V