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LM22677TJE-ADJ データシート(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM22677TJE-ADJ
部品情報  5A SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Frequency
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM22677TJE-ADJ データシート(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagram
30074102
7-Lead Plastic TO-263 THIN Package
NS Package Number TJ7A
Ordering Information
Output
Voltage
Order Number
Package Type
NSC Package
Drawing
Supplied As
Features
ADJ
LM22677TJE-ADJ
TO-263 THIN
Exposed Pad
TJ7A
250 Units in Tape and Reel
ADJ
LM22677TJ-ADJ
1000 Units in Tape and Reel
5.0
LM22677TJE-5.0
250 Units in Tape and Reel
5.0
LM22677TJ-5.0
1000 Units in Tape and Reel
ADJ
LM22677QTJE-ADJ
TO-263 THIN
Exposed Pad
TJ7A
250 Units in Tape and Reel
AEC-Q100
Grade 1
qualified.
Automotive
Grade
Production Flow*
ADJ
LM22677QTJ-ADJ
1000 Units in Tape and Reel
5.0
LM22677QTJE-5.0
250 Units in Tape and Reel
5.0
LM22677QTJ-5.0
1000 Units in Tape and Reel
*Automotive Grade (Q) product incorporates enhanced manufacturing and support processes for the automotive market, including defect detection methodologies.
Reliability qualification is compliant with the requirements and temperature grades defined in the AEC-Q100 standard. Automotive grade products are identified
with the letter Q. For more information go to http://www.national.com/automotive.
Pin Descriptions
Pin
Name
Description
Application Information
1
SW
Switch pin
Attaches to the switch node.
2
VIN
Source input voltage
Input to the regulator. Operates from 4.5V to 42V.
3
BOOT
Bootstrap input
Provides the gate voltage for the high side NFET.
4
GND
System ground
Provide good capacitive decoupling between VIN and this pin.
5
RT/SYNC
Oscillator frequency adjust
pin or frequency
synchronization
A resistor connected from this pin to GND adjusts the oscillator frequency. This
pin can also accept an input for synchronization from an external clock. Pin can
be left floating and internal setting will be default to 500 kHz.
6
FB
Feedback pin
Inverting input to the internal voltage error amplifier.
7
EN
Precision enable pin
When pulled low regulator turns off.
www.national.com
2


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