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LM2623AMM Scheda tecnica(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte LM2623AMM
Spiegazioni elettronici  General Purpose, Gated Oscillator Based, DC/DC Boost Converter
PDF  11 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2623AMM Scheda tecnica(HTML) 3 Page - National Semiconductor (TI)

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Pin Description
LLP-14 Pin
MSOP-8 Pin
Name
Function
1
NC
No Connect
2, 3
1
PGND
Power Ground (LLP Pins2&3 must be shorted
together).
4
2
EN
Active-Low Shutdown Input
5
3
FREQ
Frequency Adjust. An external resistor connected
between this pin and a voltage source sets the
switching frequency of the LM2623.
6
4
FB
Output Voltage Feedback
7
NC
No Connect
8
NC
No connect
9
5
SGND
Signal Ground
10
6
V
DD
Power Supply for Internal Circuitry
11
7
BOOT
Bootstrap Supply for the Gate Drive of Internal
MOSFET Power Switch
12, 13
8
SW
Drain of the Internal MOSFET Power Switch. (LLP Pins
12&13 must be shorted together).
14
NC
No Connect
DAP
DAP
To be soldered to board for enhanced thermal
dissipation. To be electrically isolated/floating.
www.national.com
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