UBA2211APN1 NXP [NXP Semiconductors], UBA2211APN1 Datasheet - Page 3

• Manufacturer Part Number: UBA2211APN1
• Description: Half-bridge power IC family for CFL lamps
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
5. Block diagram
UBA2211
Objective data sheet
Fig 1.
V
DD
R osc
C osc
n.p. in the diagram means not present in 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.
In the DIP8 package, these diodes are not bonded out and need to be placed externally.
V
UBA2211
O(ref)RMS
OTP
V
X
V
CONTROLLED
DD
OSCILLATOR
2
SW
− V
VOLTAGE
V
RMS control
SW(ph)
O(ref)RMS
All information provided in this document is subject to legal disclaimers.
I
:2
sat
2
f
osc
reset
startup
V O(ref)RMS
V
Rev. 2 — 3 January 2011
DD
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
Half-bridge power IC family for CFL lamps
HSPT
LSPT
DVDT
n.p. (5)
sat
V ref(ph)
HSPT
LSPT
HV
6(3)
C OUT1
n.p. (4)
3(11)
5(14)
4(12)
PGND
FS
OUT
SENSE
C OUT2
LAMP
C lamp
UBA2211
C bs
© NXP B.V. 2011. All rights reserved.
R SENSE
C DVDT
001aal990
L lamp
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