Datasheet

UBA20260 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 2 — 10 October 2011 25 of 30
NXP Semiconductors
UBA20260
600 V driver IC for step dimmable CFLs
Table 6. Typical application components for a 230 V (AC) mains application
Reference Component Description
R1 4.7 2 W fusible resistor
R5; R6 220 k
R8 2.2 k
R9 1 k
R
REF
33 k; 1 %
R
SLS
1.2  adjust for preheat current
R
MDL
1 k adjust for minimum lamp current
R
CSI
8.2  adjust for nominal lamp current
C1 47 nF; 630 V
C2 22 nF; 630 V
C3 47 nF; 400 V
C4 10 F; 400 V
C5 4.7 nF; 1 kV lamp capacitor
C6 68 nF; 250 V
C7 100 pF
C8 47 nF; 400 V
C9 560 pF; 500 V V
DD
charge pump capacitor
C10 not mounted
C11 68 nF; 250 V
C12 100 nF
C13 470 nF
C15 220 nF
C16 not mounted
C17 22 nF; 400 V
C
CB
150 nF
C
CP
330 nF
C
CF
100 pF; 2 %
Q1; Q2 SPS02N60C3
D1 to D4 1N4007
D5; D6 1N4937
D7 BZX84JC12
D8 BAS20
L1 4.7 mH mains filter inductor; I
SAT
=300 mA
L2 Würth Elektronik: 7608000902 2000/21.31.3/22 H lamp inductor