參數(shù)資料
型號： T2117-TAS
廠商： ATMEL CORP
元件分類： 模擬信號調(diào)理
英文描述： Zero-Voltage Switch with Adjustable Ramp
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO8
封裝： SO-8
文件頁數(shù)： 1/11頁
文件大?。?/td> 80K
代理商： T2117-TAS
T2117
Rev. A2, 17-Dec-01
1 (11)
Zero-Voltage Switch with Adjustable Ramp
Description
The integrated circuit, T2117, is designed as a zero-
voltage switch in bipolar technology. It is used to control
resistive loads at mains by a triac in zero-crossing mode.
A ramp generator allows power control function by
period group control, whereas full-wave logic guarantees
that full mains cycles are used for load switching.
Features
Direct supply from the mains
Current consumption
≤
0.5 mA
Very few external components
Full-wave drive – no DC current component in the
load circuit
Negative output current pulse typ. 100 mA –
short-circuit protected
Simple power control
Ramp generator
Reference voltage
Applications
Full-wave power control
Temperature regulation
Power blinking switch
Block Diagram
Ramp
generator
Pulse
amplifier
Comparator
R
1
18 k
2 W
D
1
BYT41M
L
TIC
236N
Synchronization
Supply
Full-wave logic
+
+
–
Reference voltage
1.4 V
1
3
4
R
4
100 k
2
8
5
C
2
2.2 F/
10 V
R
5
12 k
min
max
100 k
R
6
18 k
7
6
220 k
(250 V~)
C
1
100
R
3
Load
1000 W
V
M
=
230 V~
N
(R
sync
)
R
2
MT2
MT1
GND
100 F/
16 V
T2117
–V
S
Figure 1. Block diagram with typical circuit, period group control 0 to 100%
Ordering Information
Extended Type Number
Package
Remarks
T2117-3AS
DIP8
Tube
T2117-TAS
SO8
Tube
T2117-TAQ
SO8
Taped and reeled
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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