Datasheet > PS232S

PS232S

更新时间： 2022-11-23 23:05:06

品牌	Logo	应用领域
点晶 - SITI		监控
页数	文件大小	规格书
11页	181K
描述
6-Channel Secondary Monitoring IC

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数据手册

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PS232S 数据手册

點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

PS232S

Application

Typical 6 rails SPS

S.P.S. Secondary Side

R_S5

+5V Output

R_S33

+3.3V Coil

+12V₍₁₎Coil

+12V₍₂₎Coil

+12V₍₃₎Coil

+12V₍₄₎Coil

+3.3V Output

+12V₍₁₎Output

+12V₍₂₎Output

+12V₍₃₎Output

+12V₍₄₎Output

R_S12(1)

R_S12(2)

R_S12(3)

R_S12(4)

PGO

+5V_SB

1 PGI

PGO 20

2 GND

Vcc 19

VS5 18

+5V_SB

PSON

3 FPO/

4 PSON/

5 IS12A

6 RI

VS33 17

VS12A 16

IS33 15

0.1u

7 IS12B

8 VS12B

9 VS12C

10 VS12D

IS5 14

0.1u

Pext

Pext 13

IS12C 12

IS12D 11

0.1u

PS232S

Notes:

1. Zener diode or resistor or both of them can be used in component X.

2. The bypass capacitor C_bysuggests to be 0.1uF~ 10uF and layout nearby pin VCC.

3. The recommend sense values of R_S12(1), R_S12(2), R_S5and R_S33are ≥ 0.002Ω.

4. Over-Current Protection design example:

V_RI1.25

(1) I_ref= 20μA , R_I=

= 62.5K

( )

I_RI20μ

(2) R_S5=0.002Ω ,ΔV_5V= 0.002×I_+5V= R_OC5×8×I_ref

0.002× 20

(3) If +5V OCP trip point is 20A, R_OC5

= 250

( )

8× 20μ

6-Channel Secondary Monitoring IC

Version：A.002

-7-

1...5 6 789 10 11

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