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LM2655 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM2655
Description  2.5A High Efficiency Synchronous Switching Regulator
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM2655 Datasheet(HTML) 3 Page - National Semiconductor (TI)

 
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Pin Description
Pin
Name
Function
1-2
SW
Switched-node connection, which is connected to the source of the internal high-side
MOSFET.
3-5
PV
IN
Main power supply input pin. Connected to the drain of the internal high-side MOSFET.
6V
CB
Bootstrap capacitor connection for high-side gate drive.
7AV
IN
Input voltage for control and drive circuits.
8
SD(SS)
Shutdown control input, active low. This pin can also function as soft-start control pin.
Connect a capacitor from this pin to ground.
9
FB
Output voltage feedback input. Connected to the output voltage.
10
COMP
Compensation network connection. Connected to the output of the voltage error
amplifier.
11
L
DELAY
A capacitor between this pin to ground sets the delay from when the output voltage
reaches 80% of its nominal to when the undervoltage latch protection is enabled.
12
LDR
Low-side FET gate drive pin.
13
GND
Power ground.
14-16
PV
IN
Main power supply input pin. Connected to the drain of the internal high-side MOSFET.
Ordering Information
Supplied as 1000 units
Tape and Reel
Supplied as 3000 units,
Tape and Reel
LM2655MTC-3.3
LM2655MTCX-3.3
LM2655MTC-ADJ
LM2655MTCX-ADJ
www.national.com
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