LM22678TJE-5.0/NOPB National Semiconductor, LM22678TJE-5.0/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM22678TJE-5.0/NOPB
• Description: IC REG SWITCH BUCK 5A 5V TO263-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM22678TJE-5.0/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 5A
• Frequency - Switching: 500kHz
• Voltage - Input: 4.5 ~ 42 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-7 Thin
• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 5V
• Output Current: 5A
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Filter Terminals: SMD
• Rohs Compliant: Yes
• For Use With: 551600233-001 - WEBENCH BUILD IT LM2267X TO-263
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM22678TJE-5.0TR

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Voltage
Output
Connection Diagram
Ordering Information
*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
ADJ
ADJ
ADJ
ADJ
5.0
5.0
5.0
5.0
1
2
3
4
5
6
7
BOOT
Name
GND
VIN
SW
LM22678QTJE-ADJ
NC
EN
FB
LM22678QTJE-5.0
LM22678QTJ-ADJ
LM22678TJE-ADJ
LM22678QTJ-5.0
LM22678TJE-5.0
LM22678TJ-ADJ
LM22678TJ-5.0
Order Number
Source input voltage
Precision enable pin
Bootstrap input
System ground
Not connected
Feedback pin
Description
Switch pin
TO-263 THIN Exposed
TO-263 THIN Exposed
Package Type
7-Lead Plastic TO-263 THIN Package
Pad
Pad
NS Package Number TJ7A
Application Information
Attaches to the switch node.
Input to the regulator. Operates from 4.5V to 42V.
Provides the gate voltage for the high side NFET.
Provide good capacitive decoupling between VIN and this pin.
Pin is not electrically connected inside the chip. Pin does function as thermal
conductor.
Inverting input to the internal voltage error amplifier.
When pulled low regulator turns off.
NSC Package
2
Drawing
TJ7A
TJ7A
1000 Units in Tape and Reel
1000 Units in Tape and Reel
1000 Units in Tape and Reel
1000 Units in Tape and Reel
250 Units in Tape and Reel
250 Units in Tape and Reel
250 Units in Tape and Reel AEC-Q100 Grade
250 Units in Tape and Reel
30076102
Supplied As
Automotive Grade
Production Flow*
1 qualified.
Features