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AP3418 bảng dữ liệu(PDF) 2 Page - BCD Semiconductor Manufacturing Limited

tên linh kiện AP3418
Giải thích chi tiết về linh kiện  1.5A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter
PDF  12 Pages
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nhà sản xuất  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Trang chủ  http://www.bcdsemi.com
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AP3418 bảng dữ liệu(HTML) 2 Page - BCD Semiconductor Manufacturing Limited

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Data Sheet
1.5A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter
AP3418
Aug. 2012
Rev. 1. 2
BCD Semiconductor Manufacturing Limited
2
1
2
34
5
EN
GND
SW
FB
VIN
Pin Configuration
K Package
(SOT-23-5)
Figure 2. Pin Configuration of AP3418 (Top View)
Pin Description
Pin Number
Pin Name
Function
1
EN
Control input pin. Forcing this pin above 1.5V enables the IC.
Forcing this pin below 0.4V shuts down the IC. When the IC is
in shutdown mode, all functions are disabled to decrease the
supply current below 1
µA
2
GND
Ground pin
3
SW
Power switch output pin. Inductor connection to drain of the
internal PFET and NFET switches
4
VIN
Supply input pin. Bypass to GND with a 4.7
µF or greater
ceramic capacitor
5
FB
This is the feedback pin of the device. Connect this pin directly
to the output if the fixed output voltage version is used. For the
adjustable version, an external resistor divider is connected to
this pin



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