uba20271 NXP Semiconductors, uba20271 Datasheet - Page 21

• 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
V
V
V
T
T
I
t
Pin CSI
N
Coil saturation protection and overcurrent detection
Input: pin SLS
V
V
t
I
Input: pin LSAT
I
V
Output: pin CF
I
det(dis)bst
t(bst-burn)
leb
o(sink)CI
source(LSAT)
DD
j(bp)bst
j(end)bst
th(CB)min
th(CB)max
hys(CB)
th(sat)SLS
th(ocp)SLS
clamp(LSAT)
LCBR
o(sat)CF
= 13 V; V
Characteristics
FS
- V
Parameter
minimum threshold
voltage on pin CB
maximum threshold
voltage on pin CB
hysteresis voltage on
pin CB
boost bypass junction
temperature
boost end junction
temperature
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
source current on pin
LSAT
clamp voltage on pin
LSAT
saturation output
current difference on
pin CF
HBO
= 13 V; T
…continued
amb
= 25
Conditions
T
T
V
C
V
V
V
ignition state; R
boost state and burn state;
R
detection disabled first part of
GLS time
V
V
clocked
V
R
V
low side switch = on

All information provided in this document is subject to legal disclaimers.
C; settings according to default setting in
j
j
CB
CSI
CSI
DCI
CI
i(SLS)
LSAT
CF
CP
LSAT
LSAT
350 V and 600 V Power ICs for dimmable compact fluorescent lamps
sensed at end ignition time
during boost time
= 2.0 V; ignition state;
= 1.5 V; ignition state;
= 0 V
= 470 nF; T
in boost state versus
in burn state;
= 1.34 V
= 47 k
= 1.2 V
= ;
> V
Rev. 2 — 8 September 2011
th(sat)SLS
LSAT
j
< 80 C
; cycle
= 47 k
-
1.10
1.10
Min
-
-
2.3
65
105
-30
1.4
-
26
26.3
2.3
-
Table
6, all voltages referenced to GND,
Typ
1.1
3.6
2.5
80
120
-25
3.6
1.5
1.18
1.18
800
29
25.0
2.5
160
UBA20271/2
Max
-
-
2.7
95
135
-20
-
1.6
1.25
1.25
-
32
23.7
2.7
-
© NXP B.V. 2011. All rights reserved.
Unit
V
V
V
C
C
A
s
V
V
ns
A
A
V
A
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