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參數(shù)資料
| 型號(hào)： | SL441C |
| 廠(chǎng)商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類(lèi)： | 模擬信號(hào)調(diào)理 |
| 英文描述： | ZERO VOLTAGE SWITCH |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDIP8 |
| 封裝： | DIP-8 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 93K |
| 代理商： | SL441C |
SL441C
1
SL441C
ZERO VOLTAGE SWITCH
The SL441C is a symmetrical burst control integrated
circuit in an 8 pin DIL package. When used with a triac, AC
power may be regulated by varying the number of mains
cycles applied to the load in a fixed timing period. The
device is especially suited to room temperature control
applications including panel heaters, fan heaters etc. Zero
Voltage Switching has the advantage of minimising radio
frequency interference.
FEATURES
I
Balanced zero voltage point crossing detector,
spike filter and pulse generator for reliable
triggering of the triac.
I
A period pulse generator and bistable which are
arranged to provide symmetrical burst control
and eliminate
1
/
2
wave firing. (EN50.006
BS5406,1976)
I
A ramp generator whose output is used to modify
an internal reference voltage which is then
compared with the voltage appearing on the
thermistor to form a proportional control system.
The period of the ramp generator is defined
externally and may be chosen to limit 'lamp flicker'
in accordance with EN50.006/BS5406, 1976.
I
The comparison amplifier has inbuilt hysteresis
to eliminate switching jitter and a spike filter/
sampling circuit to provide high immunity to both
spikes and coherent 50Hz/60Hz.
I
Thermistor malfunction may be sensed and power
automatically removed.
I
A supply voltage sensing circuit which inhibits
firing pulses when the supply is inadequate to
guarantee proper circuit operation. This eliminates
stressing of the triac at switch-on.
Fig.1 Pin Connections (top view)
Fig. 2 Block Schematic of SL441C
DP8
DS3848 -1.0
ADVANCE INFORMATION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SL443A | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:ZERO VOLTAGE SWITCH |
| SL-444-435 | 制造商:U.S. TERMINALS 功能描述: |
| SL4-4-50 | 制造商:RHOMBUS-IND 制造商全稱(chēng):Rhombus Industries Inc. 功能描述:SL4 Series Single-In-Line Passive Single Output 50 W Impedance Delays |
| SL44-E3 | 制造商:VISHAY 制造商全稱(chēng):Vishay Siliconix 功能描述:Surface Mount Schottky Barrier Rectifier |
| SL44-E3/57T | 功能描述:肖特基二極管與整流器 4.0 Amp 40 Volt RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時(shí)間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
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