uba20260 NXP Semiconductors, uba20260 Datasheet - Page 21

• 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.
[1]
[2]
[3]
[4]
UBA20260
Objective data sheet
Symbol
V
V
Output pin CI
I
Input pin MDL (minimum dimming level)
I
V
Temperature protection
T
T
Input pin CSI
V
o(CI)
source(MDL)
DD
j(otp)
j(otp)hys
MDL
otp(CSI)
dim2(CSI)
dim3(CSI)
= 13 V; V
See
The half-bridge output switching frequency (HBO). The saw-tooth frequency on pin CF is twice as high.
Data sampling of V
Data sampling of V
Table 6 on page 25
Characteristics
FS

Parameter
dimming 2 voltage difference on
pin CSI
dimming 3 voltage difference on pin
CSI
output current on pin CI
source current on pin MDL
voltage on pin MDL
overtemperature protection junction
temperature
hysteresis overtemperature
protection junction temperature
overtemperature protection voltage
on pin CSI
V
HBO
ph(SLS)
th(capm)SLS
= 13 V; T
for the default settings.
is performed at the end of the LS power MOSFET conduction period in preheat state.
…continued
is performed at the start of conduction of the LS power MOSFET, in all states with oscillator active.
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
RMS voltage; offset from V
DIM_2 compared to MDL
RMS voltage; offset from V
DIM_3 compared to MDL
burn state; V
and sink (+)
R
RMS voltage; R
R
ext(RREF)
MDL
= 2 k; T
= 33 k; R
CI
= 2 V; source ()
j
ext(RREF)
> T
j(opt)
MDL
= 33 k;
600 V driver IC for step dimmable CFLs
 T
= 2 k
i(CSI)
i(CSI)
j(hys)(otp)
at
at
Table 6 on page
Min
330
90
85
26.3
-
145
10
380
UBA20260
25, all voltages
Typ
350
100
95
25
50
160
20
400
© NXP B.V. 2011. All rights reserved.
110
105
23.7 A
-
30
Max
370
170
420
21 of 30
Unit
mV
mV
A
mV
mV
C
C