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參數(shù)資料
| 型號(hào)： | ICB1FL02G |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Smart Ballast Control IC for Fluorescent Lamp Ballasts |
| 中文描述： | 智能鎮(zhèn)流器控制芯片用于熒光燈鎮(zhèn)流器 |
| 文件頁數(shù)： | 13/37頁 |
| 文件大小： | 1143K |
| 代理商： | ICB1FL02G |
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ICB1FL02G
Functional Description
Datasheet Version 1.2
13
February 2006
3.3
Typical operating levels during start-up
Within 10ms after start-up the inverter shifts operating frequency from 125kHz to the preheating frequency set by
resistor at pin RFPH. Preheating time can be selected by programming resistor at RFPH pin in steps of 17ms from
0ms to 2000ms.
After preheating the operating frequency of the inverter is shifted downwards in 40ms typically to the run
frequency. During this frequency shifting the voltage and current in the resonant circuit will rise when operating
close to the resonant frequency with increasing voltage across the lamp. As soon as the lower current sense level
(0,8V) is reached, the frequency shift downwards is stopped and increased by a couple of frequency steps in order
to limit the current and the ignition voltage also. The procedure of shifting the operating frequency up and down
in order to stay within the max ignition level is limited to a time frame of 235ms. If there is no ignition within this
time the control is disabled and the status is latched as a fault mode.
Figure 9
Typical variation of operating frequency and lamp voltage during start-up.
Figure 10
Typical lamp voltage versus operating frequency due to load change of the resonant circuit.
65kHz
50kHz
40kHz
Preheating
Ignition
Normal Operation
125kHz
f , V
Softstart
Frequency
Lamp Voltage
40-235ms
t
10ms
0-2000ms
Pre-Run
250ms
Typical variation of operating frequency during start-up
Softstart proceeds in 15 steps à 650μs according
f
PH
= (120kHz - f
)/ 15steps.
Ignition proceeds in 127 steps à 324μs according
f
IGN
= (f
PH
- f
RUN
)/ 127steps.
0
10000
100
200
300
400
500
600
700
800
900
1000
100000
Operating Frequency
L
Ignition
Preheating
After
Ignition
Run
Without
Load
With
Load
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| ICB1FL02G IFX | 制造商:Infineon Technologies AG 功能描述: |
| ICB1FL02G_08 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Smart Ballast Control IC for Fluorescent Lamp Ballasts |
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| ICB1FL03GXUMA1 | 制造商:Infineon Technologies AG 功能描述:ELECTRONIC BALLAST CONTROLLER 12V/15V 100KHZ 制造商:Infineon Technologies AG 功能描述:FL LIGHTING - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC SMART BALLAST CONTROL DSO18 |
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