參數(shù)資料
型號(hào)： UBA2000T
廠商： NXP SEMICONDUCTORS
元件分類： 模擬信號(hào)調(diào)理
英文描述： Electronic TL-lamp starter(電子TL-lamp啟動(dòng)器)
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO8
文件頁(yè)數(shù)： 6/16頁(yè)
文件大?。?/td> 102K
代理商： UBA2000T
1996 Jan 03
6
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
Fig.5 Flow chart.
handbook, full pagewidth
MGE003
LOW VOLTAGE DETECTION
Start
charging of C1
S1 is closed
Enable reset
N = 1
CURRENT ALARM !!
Preheat
time
>
tprn
VCC
>
VCC(rst)
VCC
<
VCC(rst)
VCC
>
VCC(sl)
Vin
>
Vign
Disable reset
N: ignition attempt count
N
>
7
Open int. switches
Switch ext. switch on
1st start
(N = 1)
Isense falling edge
Isense = Iso
Close int. switches
Turn ext.switch off
(Generate voltage-peak
to ignite TL-lamp)
Standby state
N = N
+
1
Close int. switches
Close int. switches
Turn ext. switch off
(if it was on)
Turn ext. switch off
(if it was on)
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
Standby state
Preheat
time
>
tprf
Isense
>
Iprot
and t
>
td
yes
yes
no
no
no
Isense
>
Iprot
and t
>
td
The ext. switch is closed
when mains voltage is
near its peak value
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