UBA2014P PHILIPS [NXP Semiconductors], UBA2014P Datasheet - Page 4

• Manufacturer Part Number: UBA2014P
• Description: 600 V driver IC for HF fluorescent lamps
• Manufacturer: PHILIPS [NXP Semiconductors]

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GND
CT
5
1
REFERENCE
CURRENT
IREF
4
PREHEAT TIMER
CONTROLLED
OSCILLATOR
VOLTAGE
SUPPLY
V
I
analog
digital
CF
3
V DD
supply (5 V)
LOGIC
7
reference
voltages
V DD(L)
reset
3 V
V ref
14
Fig.1 Block diagram.
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 lamp(max)
V 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
F VDD
GH
SH
GL
ACM
PCS
CS
CS