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參數(shù)資料
| 型號(hào)： | ML4833 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Electronic Dimming Ballast Controller(電子調(diào)光整流器控制器) |
| 中文描述： | 電子調(diào)光鎮(zhèn)流器控制器（電子調(diào)光整流器控制器） |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 136K |
| 代理商： | ML4833 |
ML4833
10
REV. 1.0 10/12/2000
A summary of the operating frequencies in the various
operating modes is shown below.
Operating Mode
Operating Frequency
[F(MAX) to F(MIN)]
2
Preheat
Dimming
Lock-out
F(MIN)
Dimming
Control
F(MIN) to F(MAX)
9
8
R
X
C
X
6.8
+
–
1.2/4.8
HEAT
INHIBIT
0.625
R
SET
+
–
1.2/6.8
–
+
1.25V
DIMMING
LOCKOUT
R
X
/C
X
INTERRUPT
Q
R
S
Figure 8. Lamp Preheat and Interrupt Timers
LFB OUT is ignored by the oscillator until C
X
reaches
6.8V threshold. The lamps are therefore driven to full
power and then dimmed. The C
X
pin is clamped to
about 7.5V.
6.8
4.8
1.2
.65
0
>1.25
R
X
/C
X
HEAT
DIMMING
LOCKOUT
INT
INHIBIT
Figure 9. Lamp Starting and Restart Timing
TYPICAL APPLICATIONS
Figure 10 shows a schematic for a dimming power-factor
corrected 60W ballast, designed to operate two F32T8
fluorescent lamps connected in series.
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| ML4833CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Electronic Dimming Ballast Controller |
| ML4833CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Electronic Dimming Ballast Controller |
| ML4835 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Compact Fluorescent Electronic Dimming Ballast Controller |
| ML4835CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Compact Fluorescent Electronic Dimming Ballast Controller |
| ML4835CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Compact Fluorescent Electronic Dimming Ballast Controller |
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