uba20270 NXP Semiconductors, uba20270 Datasheet - Page 23

• Manufacturer Part Number: uba20270
• Description: 600 V Driver Ic For Dimmable Compact Fluorescent Lamps
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
V
positive currents flow into the IC, unless otherwise specified.
[1]
[2]
[3]
[4]
UBA20270
Product data sheet
Symbol
V
V
V
Output: pin CI
I
Input: pin MDL
I
V
Temperature protection
T
T
o(CI)
source(MDL)
DD
j(otp)
j(otp)hys
T(hec2)DCI
T(hec3)DCI
otp(CSI)
MDL
= 13 V; V
For the default setting, see
Switching frequency of the half-bridge output HBO. The sawtooth frequency on pin CF is twice as high.
Data sampling of V
Data sampling of V
Characteristics
FS
Parameter
human eye correction 2
transition voltage on pin
DCI
human eye correction 3
transition voltage on pin
DCI
overtemperature
protection voltage on
pin CSI
output current on pin CI burn state; source () and
source current on pin
MDL
voltage on pin MDL
overtemperature
protection junction
temperature
hysteresis
overtemperature
protection junction
temperature
- V
HBO
ph(SLS)
th(capm)SLS
= 13 V; T
is performed at the end of the conduction period of the low-side power MOSFET, in preheat state.
…continued
Table
is performed at the start of conduction of the low-side power MOSFET, in all states with oscillator active.
amb
6.
= 25
Conditions
R
R
V
V
RMS voltage;
R
R
V
T
sink (+); V
R
R

All information provided in this document is subject to legal disclaimers.
C; settings according to default setting in
j
i(CSI)
i(CSI)
i(DCI)
ext(RREF)
MDL
ext(RREF)
MDL
ext(RREF)
MDL
> T
j(otp)
= 2.0 k;
= 2.0 k;
= 2.0 k
= V
= 1 V
= 1.5 V;
Rev. 2 — 8 September 2011
clamp(CSI)
 T
CI
= 33 k;
= 33 k;
= 33 k;
= 2.0 V
j(otp)hys
600 V Driver IC for dimmable compact fluorescent lamps
Min
-
-
380
85
26.3
-
145
10
Table
6, all voltages referenced to GND,
Typ
0.44
1.34
400
95
25.0
50
160
20
UBA20270
Max
-
-
420
105
23.7
-
175
30
© NXP B.V. 2011. All rights reserved.
Unit
V
V
mV
A
A
mV
C
C
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