UBA2014 NXP Semiconductors, UBA2014 Datasheet - Page 3
UBA2014
Manufacturer Part Number
UBA2014
Description
600 V Driver Ic For Hf Fluorescent Lamps
Manufacturer
NXP Semiconductors
Datasheet
1.UBA2014.pdf
(23 pages)
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Fig 1. Block diagram
GND
CT
5
1
REFERENCE
CURRENT
IREF
4
PREHEAT TIMER
CONTROLLED
OSCILLATOR
VOLTAGE
SUPPLY
V
I
analog
digital
CF
3
V
supply (5 V)
LOGIC
DD
7
reference
voltages
V
reset
DD(L)
3 V
V REF
14
V
lamp(fail)
•
•
•
•
•
•
•
STATE LOGIC
reset state
start-up state
preheat state
ignition state
burn state
hold state
power-down state
VOLTAGE
SENSOR
LAMP
LVS
13
V
V
lamp(max)
pd
UBA2014
BOOTSTRAP
DRIVER
LOGIC
FREQUENCY
CONTROL
LOGIC
CSW
ANT/CMD
SHIFTER
LEVEL
PCS
2
AVERAGE
CURRENT
SENSOR
HS
DRIVER
LS
DRIVER
mgw579
10
11
12
15
16
9
6
8
FV
GH
SH
GL
ACM
PCS
CSP
CSN
DD