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參數資料
| 型號： | FSD200BM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Green Mode Fairchild Power Switch (FPS) |
| 中文描述： | 0.365 A SWITCHING REGULATOR, 142 kHz SWITCHING FREQ-MAX, PDSO7 |
| 封裝： | LSOP-7 |
| 文件頁數： | 15/18頁 |
| 文件大小： | 853K |
| 代理商： | FSD200BM |
FSD210B, FSD200B
15
Typical Application Circuit - 2
Features
Non-Isolation Buck converter
Low component count
Enhanced system reliability through various protection functions
Key Design Notes
The output voltage(12V) is regulated with resistors R1, R2 and R3, zener diode D3, the transistor Q1 and the capacitor C2.
While the FSD210B is off, diodes D1 and D2 are on. At this time the output voltage 12V is sensed by the feedback
components listed above.
R 680K is used to prevent the OLP(over load protection) at startup.
R 8.2K is a dummy resistor to regulate output voltage in light load.
1. Schematic
Application
Output power
Input voltage
DC 120 ~ 375V
Output voltage (Max current)
Non-Isolation Buck
1.2W
(for Universal Input)
12V (100mA)
R
680K
R2
110
0
C1
4.7uF/400V
R
8.2K
R3
750
D3(ZD)
1N759A
GND
Q1
KSP2222A
C4
1000uF 16V
C2
47nF/50V
GND
R1
110
U1
FSD21x
8
5
7
1
4
2
3
Vstr
Vcc
D
G
Vfb
G
G
C5
47uF 50V
D1
UF4004
VINDC
D2
UF4004
VOUT(12V/100mA)
L1
1mH
相關PDF資料 |
PDF描述 |
|---|---|
| FSD210B | Green Mode Fairchild Power Switch (FPS) |
| FSD210BM | Green Mode Fairchild Power Switch (FPS) |
| FSD270 | SILICON DUAL VARIABLE CAPACITANCE DIODE |
| FSD270TA | SILICON DUAL VARIABLE CAPACITANCE DIODE |
| FSD270(2) | |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FSD200BMX | 功能描述:電源開關 IC - 配電 TBD RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FSD200M | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPSTM) |
| FSD20A30 | 制造商:SANREX 制造商全稱:SanRex Corporation 功能描述:THYRISTOR MODULE (SINGLE PHASE BRIDGE TYPE) |
| FSD20A60 | 制造商:SANREX 制造商全稱:SanRex Corporation 功能描述:THYRISTOR MODULE (SINGLE PHASE BRIDGE TYPE) |
| FSD20A90 | 制造商:NIEC 制造商全稱:Nihon Inter Electronics Corporation 功能描述:Low Forward Voltage Drop Diode |
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