uba2213 NXP Semiconductors, uba2213 Datasheet - Page 3

• Manufacturer Part Number: uba2213
• Description: Half-bridge Power Ic Family For Cfl Lamps
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Block diagram
UBA2213
Product data sheet
Fig 1.
V
DD
R osc
C osc
SGND 2(1, 2, 9, 10, 13)
C SW
SW
UBA2213XT (SO14) pin numbers are between brackets.
n.p. in the diagram means not present in UBA2213XP (DIP8 package).
Block diagram
RC
8(7)
1(8)
burn state
V
UBA2213
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 the are not bonded.
O(ref)RMS
OTP
V
V
X
CONTROLLED
DD
OSCILLATOR
SW
2
VOLTAGE
- V
V
RMS control
SW(ph)
O(ref)RMS
V O(ref)RMS
I
:2
sat
2
f
All information provided in this document is subject to legal disclaimers.
osc
reset
startup
V
DD
NON-OVERLAP
preheat/boost
Rev. 2 — 21 November 2011
TIMER
PULSE
LATCH
reset
HS on
set
LS on
V
DD
preheat
V
7(6)
boost
DD
GLOW AND I
rectified mains
CONTROL
DRIVER
DRIVER
C VDD
HSPT
LSPT
V ref(ph)
Half-bridge power IC family for CFL lamps
DVDT
n.p. (5)
sat
V ref(boost)
HSPT
LSPT
HV
6(3)
C OUT1
n.p. (4)
C OUT2
3(11)
5(14)
4(12)
LAMP
C lamp
FS
OUT
SENSE
001aan138
UBA2213
© NXP B.V. 2011. All rights reserved.
C bs
SGND
R SENSE
L lamp
C DVDT
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