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PS231S データシート(PDF) 8 Page - Silicon Touch Technology Inc.

部品番号 PS231S
部品情報  5-Channel Secondary Monitoring IC
PDF  11 Pages
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メーカー  SITI [Silicon Touch Technology Inc.]
ホームページ  http://www.siti.com.tw
Logo SITI - Silicon Touch Technology Inc.

PS231S データシート(HTML) 8 Page - Silicon Touch Technology Inc.

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PS231S
5-Channel Secondary Monitoring IC
Version
：A.002
Page 7
未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Application
Typical 5 rails SPS
Notes:
1. Zener diode or resistor or both of them can be used in component X.
2. The bypass capacitor Cby suggests to be 0.1uF~ 10uF and layout nearby pin VCC.
3. The recommend sense values of RS12(1), RS12(2), RS5 and RS33 are ≥ 0.002Ω.
4. Over-Current Protection design example:
(1)
A
I
ref
μ
20
=
,
()
Ω
=
=
=
K
I
V
R
RI
RI
I
5
.
62
20
25
.
1
μ
(2) RS5=0.002 Ω ,
ref
OC
V
V
I
R
I
V
×
×
=
×
=
Δ
+
8
002
.
0
5
5
5
(3) If +5V OCP trip point is 20A,
()
Ω
=
×
×
=
250
20
8
20
002
.
0
5
μ
OC
R
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
PGI
PSON/
RI
IS12B
VS12B
IS12A
FPO/
GND
PGO
VS33
IS33
IS5
Pext
VS12A
VS5
Vcc
PS231S
1K
+5VSB
PGO
PSON
+5VSB
=
or
S.P.S. Secondary Side
RS5
+5V Output
RS12(2)
+12V(2) Output
+12V(2) Coil
RS12(1)
+12V(1) Output
+12V(1) Coil
RS33
+3.3V Output
+3.3V Coil
Pext
10
9 VS12C
IS12C
RS12(3)
+12V(3) Output
+12V(3) Coil



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