UBA2211AP PHILIPS [NXP Semiconductors], UBA2211AP Datasheet - Page 3

• Manufacturer Part Number: UBA2211AP
• Description: Half-bridge power IC family for CFL lamps
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
5. Block diagram
UBA2211
Product data sheet
Fig 1.
V
DD
R osc
C osc
UBA2211XT (SO14) pin numbers are between brackets.
n.p. in the diagram means not present in UBA2211XP (DIP8 package).
Block diagram
SGND 2(1, 2, 9, 10, 13)
C SW
SW
RC
8(7)
1(8)
burn state
In the SO14 package, the two diodes which are required for the DVDT supply are
integrated and connected between pins DVDT and PGND.
Mount these diodes externally when using the DIP8 packaged devices because they are
not bonded out.
V
UBA2211
O(ref)RMS
OTP
V
V
X
CONTROLLED
DD
OSCILLATOR
SW
2
VOLTAGE
- V
V
RMS control
SW(ph)
O(ref)RMS
I
:2
sat
All information provided in this document is subject to legal disclaimers.
2
f
osc
reset
startup
V O(ref)RMS
V
DD
Rev. 3 — 26 August 2011
NON-OVERLAP
TIMER
PULSE
LATCH
reset
HS on
preheat
set
LS on
V
DD
V
7(6)
DD
GLOW AND I
rectified mains
preheat
CONTROL
DRIVER
DRIVER
C VDD
HSPT
LSPT
Half-bridge power IC family for CFL lamps
DVDT
n.p. (5)
sat
V ref(ph)
HSPT
LSPT
HV
6(3)
C OUT1
n.p. (4)
3(11)
5(14)
4(12)
FS
OUT
SENSE
C OUT2
LAMP
C lamp
C bs
SGND
UBA2211
© NXP B.V. 2011. All rights reserved.
R SENSE
001aal990
L lamp
C DVDT
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