APW7325KAI-TRG 데이터 시트보기 (PDF) - Anpec Electronics
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APW7325KAI-TRG Datasheet PDF : 16 Pages
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APW7325
Pin Description
PIN
NO.
NAME
FUNCTION
1,3
NC
No Connection.
2
LX
Power Switching Output. LX is the Junction of the high-side and low-side Power MOSFETs
to supply power to the output LC filter.
4
EN
Enable Input. EN is a digital input that turns the regulator on or off. Drive EN high to turn on
the regulator, drive it low to turn it off.
Output Feedback Input. The APW7325 senses the feedback voltage via FB and regulates
5
FB
the voltage at 0.6V. Connecting FB with a resistor-divider from the converter’s output sets
the output voltage.
Signal Input. VDD supplies the control circuitry, gate drivers. Connecting a ceramic bypass
6
VDD
capacitor from VDD to GND to eliminate switching noise and voltage ripple on the input to
the IC.
Power Input. PVDD supplies the step-down converter switches. Connecting a ceramic
7
PVDD
bypass capacitor from PVDD to GND to eliminate switching noise and voltage ripple on the
input to the IC.
9
GND
Ground and Exposed pad. Connect the exposed pad to the system ground plan with large
(Exposed Pad) copper area for dissipating heat into the ambient air.
8
GND
Ground. Power and signal ground.
Copyright © ANPEC Electronics Corp.
6
Rev. A.2 - Sep., 2013
www.anpec.com.tw
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