lm22674mrx-adj National Semiconductor Corporation, lm22674mrx-adj Datasheet - Page 2

• Manufacturer Part Number: lm22674mrx-adj
• Description: 500 Ma Simple Switcher , Step-down Voltage Regulator With Precision Enable
• Manufacturer: National Semiconductor Corporation

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Output Voltage
Connection Diagram
Ordering Information
Pin Descriptions
ADJ
ADJ
ADJ
5.0
5.0
5.0
Pins
2, 3
1
4
5
6
7
8
LM22674MRE-ADJ
LM22674MRX-ADJ
LM22674MRE-5.0
LM22674MRX-5.0
LM22674MR-ADJ
LM22674MR-5.0
Order Number
Name
BOOT
GND
VIN
SW
NC
EN
FB
Description
Bootstrap input
Not Connected
Feedback pin
Precision enable pin
System ground
Source input voltage
Switch pin
PSOP-8 Exposed Pad
8-Lead Plastic PSOP-8 Package
NS Package Number MRA08B
Package Type
2
Application Information
Provides the gate voltage for the high side NFET.
Pins are not electrically connected inside the chip. Pins do function
as thermal conductor.
Inverting input to the internal voltage error amplifier.
When pulled low regulator turns off.
Provide good capacitive decoupling between VIN and this pin
Input to the regulator. Operates from 4.5V to 42V.
Attaches to the switch node
NSC Package Drawing
30076940
MRA08B
2500 Units in Tape and Reel
2500 Units in Tape and Reel
250 Units in Tape and Reel
250 Units in Tape and Reel
95 Units in Rails
95 Units in Rails
Supplied As