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參數(shù)資料
| 型號： | FSD210_NL |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.365 A SWITCHING REGULATOR, 142 kHz SWITCHING FREQ-MAX, PDIP7 |
| 封裝： | LEAD FREE, DIP-7 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 603K |
| 代理商： | FSD210_NL |
FSD210, FSD200
14
Typical application circuit
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 FSD210 is off diodes, D1 and D2, are on. At this time the output voltage, 12V, can be sensed by the feedback
components above. This output is also used with bias voltage for the FSD210.
R, 680K, is 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
2. Demo Circuit Part List
Application
Output power
Input voltage
Output voltage (Max current)
Non Isolation Buck
1.2W
Universal dc input
(100 ~ 375Vac)
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
Dra
in
GN
D
Vfb
GN
D
GN
D
C5
47uF 50V
D1
UF4004
VINDC
D2
UF4004
VOUT(12V/100mA)
L1
1mH
TO-92 Type
1
Q1
DO-35 Type
12VZD/0.5W
1
1N759A
ZD1
0.5A/700V
1
FSD210
U1
2
Quantity
1A/1000V Ultra Fast Diode
Description
DO41 Type
UF4007
D1,D2,
Requirement/Comment
Part #
Reference
Ic=200mA, Vcc=40V
1
KSP2222A
1
Iover=0.3A
1
Quantity
1
Description
DO41 Type
D1,D2
Requirement/Comment
Part #
Reference
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參數(shù)描述 |
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| FSD211H | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| FSD270TA | 功能描述:DIODE VARIABLE CAP CC SOT23-3 RoHS:是 類別:分離式半導(dǎo)體產(chǎn)品 >> 可變電容二極管（可變電容二極管，變?nèi)荻O管） 系列:- 產(chǎn)品變化通告:Product Discontinuation 08/Dec/2009 標(biāo)準(zhǔn)包裝:3,000 系列:- 電容@ Vr, F:13.5pF @ 4.5V，1MHz 電容比:5.41 電容比條件:C1/C4.5 電壓 - 峰值反向(最大):12V 二極管類型:單一 在 Vr、F 時的 Q 值:- 安裝類型:表面貼裝 封裝/外殼:SC-79，SOD-523 供應(yīng)商設(shè)備封裝:PG-SC79-2 包裝:帶卷 (TR) 其它名稱:SP000013483 |
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