uba20261 NXP Semiconductors, uba20261 Datasheet - Page 20

• Manufacturer Part Number: uba20261
• Description: 600 V And 350 V Power Ic For Step Dimmable Cfls
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
V
referenced to PGND and SGND, positive currents flow into the UBA20261/2, unless otherwise specified.
UBA20261_UBA20262
Preliminary data sheet
Symbol
Power transistors
R
R
Boot strap diode
V
Preheat current sensor
Input pin SLS
I
V
Output pin CI
I
I
Preheat timer, ignition timer and overcurrent fault timer
t
t
t
t
I
I
V
V
V
I
V
V
V
I(SLS)
o(source)CI
o(sink)CI
ph
en(ign)
fault(oc)
ret(dim)
o(CP)
ret(dim)CP
pu(CP)
DD
F
ph(SLS)
th(CP)min
th(CP)max
hys(CP)
ret(dim)CP
th(pd)CP
th(rel)CP
on
on(150)
= 13 V; V
/R
on(25)
Characteristics
FS

Parameter
on-state resistance
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
dimming retention time
output current on pin CP
dimming retention 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
dimming retention voltage on
pin CP
power-down threshold voltage on
pin CP
release threshold voltage on pin CP hold state
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
UBA20261:
UBA20262:
R
T
bootstrap diode; I
(V
V
V
V
C
C
C
initial voltage V
C
initial voltage V
V
Current into pin CP; V
initial V
V
V
V
V
burn state; 10 k connected in
series
j
i(SLS)
CI
CI
CP
CF
CF
CP
DD
on
CP
CP
CP
CP
F
HS; I
LS; I
HS; I
LS; I
= 150 C / R
= 2 V; V
= 2 V; V
= V
at
= 4.1 V; source (); sink (+)
= 0 V, V
= 0 V, V
= 3.8 V
= 470 nF; R
= 470 nF; R
= 470 nF; R
= 470 nF; R
= 0 V
= 0.4 V
HBO
HBO
CP
DHS
DHS
DD
600 V and 350 V power IC for step dimmable CFLs
= 5 V
- V
= 1.1 A; T
= 1.1 A; T
= 1.1 A; T
= 1.1 A; T
i(SLS)
i(SLS)
CI
CI
FS
= 2 V
= 2 V
on
CP
CP
)
ext(RREF)
ext(RREF)
ext(RREF)
ext(RREF)
< 0.6 V
< 0.6 V
at T
FS
= 5 V
= 5 V
= 5 mA;
j
j
j
j
j
= 25 C
= 25 C
DD
= 25 C
= 25 C
= 25 C
= 33 k
= 33 k
= 33 k;
= 33 k;
= 0 V;
Table 6 on page
[3]
Min
-
-
-
-
1.3
-
0.57
10.6
26
-
-
-
-
-
-
-
-
-
-
5.5
0.6
-
-
UBA20261/2
Typ
1
1
3
3
1.7
1.7
-
0.60
9.6
29
0.93
0.22
0.1
2.8
5.9
0.5
3.8
4.5
0.7
60
2
1
2.7
© NXP B.V. 2011. All rights reserved.
26), all voltages
1.3
3.6
-
0.63
8.6
32
-
-
-
-
-
-
-
0.8
-
-
-
Max
1.3
3.6
2.1
1
6.3
-
20 of 32
Unit




V
A
V
A
A
s
s
s
s
A
A
V
V
V
A
V
V
V