UBA2014P PHILIPS [NXP Semiconductors], UBA2014P Datasheet - Page 14

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

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330 nF
V DC
400 V
C7
F1
1A
V DD
CT
C15
330 nF
7
1
REFERENCE
CURRENT
PREHEAT
SUPPLY
UBA2014
TIMER
IREF
4
R12
33 k
5
GND
CONTROLLED
BOOTSTRAP
DIVIDER
OSCILLATOR
CONTROL
VOLTAGE
DRIVER
3
CF
C14
100 pF
NON-OVERLAP TIMING
MODE DETECTOR
AND CAPACITIVE
CSW
2
ADAPTIVE
C13
220 nF
AVERAGE
CURRENT
HIGH SIDE
CURRENT
SENSOR
LOW SIDE
PREHEAT
VOLTAGE
SENSOR
SENSOR
Fig.8 Test and application circuit.
DRIVER
DRIVER
LAMP
14
V ref
1 M
R4
220 k
10
11
12
13
16
15
R3
9
6
8
GH
SH
GL
CS
CS
F VDD
ACM
PCS
LVS
C3
1 nF
C5
100 nF
150
R13
R2
8.2
k
8.2 k
C2
12 nF
47
R9
R8
TR1
IRF820
TR2
IRF820
R14
1
C19
56 nF
R16
1.5
C6
1.2 nF
C10
5.6 nF
R5
10 k
220 k
R20
Z1
12 V
BYD77D
D1
BYD77D
D4
1.9 mH
L1
C8
330 pF
C17
6.8 nF
8.2 nF
C22
R18
180 k
R10
1 M
100 nF
100 nF
MGW586
C24
C23
TLD36W
R1
1 M
C20
68 nF