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UBA2070P 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
UBA2070P
600 V CCFL ballast driver IC
Philips Electronics
UBA2070P Datasheet PDF : 20 Pages
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8
n.c.
5
GND
1
CT
VDD
7
VREF
3 V
14
SUPPLY
reference
voltages
digital
supply (5 V)
analog
VDD(low)
IGNITION TIMER
reset
LOGIC
VDD(clamp)
BOOTSTRAP
DRIVER
LOGIC
LEVEL
SHIFTER
HS
DRIVER
LS
DRIVER
9
FVDD
10
GH
11
SH
6
GL
STATE LOGIC
•
reset state
•
ignition state
•
burn state
•
hold state
•
powerdown state
ANT/ CMD
12
ACM
VOLTAGE
CONTROLLED
OSCILLATOR
REFERENCE
I
CURRENT
V
4
3
IREF
CF
LAMP
VOLTAGE
SENSOR
VLVS(fail) VLVS(max)
13
LVS
Fig.1 Block diagram.
LOGIC
FREQUENCY
CONTROL
AVERAGE
CURRENT
SENSOR
15
CS
+
16
CS
−
2
CSW
MGT990
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