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參數(shù)資料
| 型號(hào)： | UAA4713 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Motion Detector Interface(運(yùn)轉(zhuǎn)檢測(cè)接口) |
| 中文描述： | 運(yùn)動(dòng)檢測(cè)器接口（運(yùn)轉(zhuǎn)檢測(cè)接口） |
| 文件頁(yè)數(shù)： | 9/14頁(yè) |
| 文件大?。?/td> | 322K |
| 代理商： | UAA4713 |
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APPLICATION INFORMATION
1. HOW TO CHOOSE THE TRIAC ASSOCIATED
TO THE MOTION DETECTOR UAA4713
Analysis of the Triac Associated to the Motion
DetectorUAA4713
Associated with the UAA4713, the Triac is de-
fined by the driver output stage (Triac output pin
5) and the characteristics of the load.
The Triac is consequentlydefined by:
1)
Thegate sensitivity
2)
Thesurge current capability
3)
TheRMS Triac current
4)
The blocking voltage capability
1) The gate sensitivity
The ”Triggering gate current” is the parameter to
be taken into consideration. The I
GT
is given at
25
°
C. as a maximumvalue required to trigger the
Triac.
ex. BTA06-600CW = I
GT max
(mA)= 35mA
The UAA4713 Triac output provides a current of
65mA typical.
I
Tout
= 65mA(Typ) = I
G
In order to control the Triac properly IG should be
greater than 1.5
x
I
GT
or
I
Tout
> 1.5 I
GT
For this reason it is suggested to use a snubber-
less Triac of theCW series (I
GT
< 35mA).
2) The surge current capability
In the Triac databook the surge current capability
of the Triac is given by the non repetitive surge
peak current:
I
TSM
ex. BTA06-600CW
I
TSM
at T
J initial
= 25
°
C
t = 8.3mA:63A
t = 10ms: 60A
The choice of the Triac is defined by the following
applicationparameters:
a)The starting performance, and the ratio of
the nominal resistance to the cold resis-
tance,KR
I
max
> KR
x
I
nominal x
√
2
b)The thermal fast fuse behaviour during
short-circuit condition.
(I
2
t) (Triac) > (I
2
t) (fuse)
To select the I
Tsm
(given as a minimum value) the
followingtable is suggested.
Mains: V
AC
(V)
Power (W)
600
1000
>1000
240V
I
Tsm(min)
50
80
>100
110V
I
Tsm (min)
80
120
>150
3)RMS Triac Current
The RMS Triac current I
TRMS
is defined by the
lightpower P:
I
TRMS
> 1. 25
x
P
x
V
AC
It depends also on the heat sink which has to limit
the junction temperature in the worse case condi-
tions (T
amb max
and I
TRMS)
.
With the snubberless triac I
TRMS
ranges from 6A
to 25A.
4) Blocking Voltage Capability
The maximum blocking voltage VD
RM
is defined
by the mains:
Country
Mains Voltage
(V) V
AC
240
110
V
DRM
(V)
EUROPE
USA
600
400
5) Conclusion:
Selectorguide with the above parameters the op-
timal device selection for a given power to be
controlled is given in the following table:
LIGHT POWER
(W)
MAINS VOLTAGE V
AC
(V)
240
BTA 06 600 CW
BTA 08 600 CW
BTA X 600 CW
X = 10
X = 12
X = 16
110
600
1,000
> 1,000
BTA 08 400 CW
BTA 12 400 CW
BTA X 400 CW
X = 12
X = 16 (A)
Ref:
High Performance Triacs that need no snub-
ber (DSTRIACBK/1088)
UAA4713
9/14
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UAA4713DP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MOTION DETECTOR INTERFACE |
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| UABC80 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EABC80 |
| UAB-M7005-HT | 制造商:Infineon Technologies AG 功能描述:SP000245537_AUDIO CODEC_RO EOL300908 |
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