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PS232F Datasheet(PDF) 8 Page - Silicon Touch Technology Inc.

Part # PS232F
Description  6-Channel Secondary Monitoring IC
PDF  11 Pages
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Manufacturer  SITI [Silicon Touch Technology Inc.]
Direct Link  http://www.siti.com.tw
Logo SITI - Silicon Touch Technology Inc.

PS232F Datasheet(HTML) 8 Page - Silicon Touch Technology Inc.

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點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
6-Channel Secondary Monitoring IC
Version
：A.001
-7-
PS232F
Application
Typical 6 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
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
PGI
PSON/
RI
IS12B
VS12B
IS12A
FPO/
GND
PGO
VS33
IS33
IS5
Pext
VS12A
VS5
Vcc
PS232F
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
12
11
9
10
VS12C
VS12D
IS12C
IS12D
RS12(3)
+12V(3) Output
+12V(3) Coil
RS12(4)
+12V(4) Output
+12V(4) Coil
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u



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