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LP3220S Datenblatt(PDF) 2 Page - Lowpower Semiconductor inc

Teilenummer LP3220S
Bauteilbeschribung  1.5MHz, 1.0A Step-Down Converter
PDF  10 Pages
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Hersteller  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3220S Datenblatt(HTML) 2 Page - Lowpower Semiconductor inc

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LP3220S-00
Jun.-2017
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 2 of 10
Preliminary Datasheet
LP3220S
Typical Application Circuit
Functional Pin Description
Package Type
Pin Configurations
SOT23-5
VIN
GND
EN
LX
FB
1
2
3
4
5
Top View
Pin Description
Pin
Name
Description
1
EN
Enable pin. Active high.
2
GND
Ground.
3
LX
Switch Mode Connection to Inductor. This pin connects to the drains of the internal main
and synchronous power MOSFET switches.
4
VIN
Supply Input. Power supply input pin. Must be closely decoupled to AGND with a 10μF
or greater ceramic capacitor.
5
FB
Feedback Input. Connect FB to the center point of the external resistor divider. Normal
voltage for this pin is 0.6V.
EN
1
LX
3
GND
2
FB
5
VIN
4
LP3220S
2.2uH
C2
10uF
R1
20K
R2
10K
C1
10uF
VIN
VOUT
C3
22pF



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