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SC4626 Fiches technique(PDF) 13 Page - Semtech Corporation

No de pièce SC4626
Description  2.5MHz, 1A Synchronous Step Down Regulator in SOT23-5
PDF  21 Pages
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Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4626 Fiches technique(HTML) 13 Page - Semtech Corporation

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3
SC4626
Pin Descriptions
Pin #
Pin Name
Pin Function

VIN
Input power supplies. Powers the internal circuitry and is connected to the source of high-side P channel MOSFET.
2
GND
Ground connection.
3
EN
Enable pin. When connected to logic high or tied to VIN pin, the SC4626 is on. When connected to logic low, the
device enters shutdown and consumes less than µA of current. The enable pin has a  MΩ internal pulldown
resistor. This resistor is switched in circuit whenever the EN pin is below the enable input high threshold, or when
the part is in undervoltage lockout.
4
VOUT
Output voltage sense pin.
5
LX
Switching node - connect an inductor between this pin and the output capacitor.



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