LM22673MR-ADJ/NOPB National Semiconductor, LM22673MR-ADJ/NOPB Datasheet - Page 15

• Manufacturer Part Number: LM22673MR-ADJ/NOPB
• Description: IC REG SWITCH BUCK 3A ADJ 8PSOP
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM22673MR-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 1.285V
• Current - Output: 3A
• Frequency - Switching: 500kHz
• Voltage - Input: 4.5 ~ 42 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-PSOP
• Package: 8PSOP EP
• Minimum Input Voltage: 4.5 V
• Maximum Input Voltage: 42 V
• Switching Frequency: 500(Typ) KHz
• Operating Supply Voltage: 4.5 to 42 V
• Maximum Output Current: 3 A
• Output Type: Adjustable
• Output Voltage: 1.285(Min) V
• Efficiency: 90(Min) %
• For Use With: 551600236-001 - WEBENCH BUILD IT LM2267X 8-PSOPLM22673EVAL - BOARD EVALUATION FOR LM22673
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM22673MR-ADJ

Schematic for Buck/Boost (Inverting) Application
See AN-1888 for more information on the inverting (buck-
boost) application generating a negative output voltage from
a positive input voltage.
30076226
15
www.national.com