LM2674LDX-3.3 National Semiconductor, LM2674LDX-3.3 Datasheet - Page 7

• Manufacturer Part Number: LM2674LDX-3.3
• Manufacturer: National Semiconductor

Specifications of LM2674LDX-3.3

• Dc To Dc Converter Type: Step Down
• Number Of Outputs: 1
• Pin Count: 16
• Input Voltage: 40V
• Output Voltage: 3.3V
• Switching Freq: 275KHz
• Output Current: 500mA
• Efficiency: 86%
• Package Type: LLP EP
• Output Type: Fixed
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 8V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Lead Free Status / Rohs Status: Not Compliant

Typical Performance Characteristics
(Continued)
Dropout Voltage — 3.3V Option
Dropout Voltage — 5.0V Option
10004115
10004116
Block Diagram
10004117
* Active Inductor Patent Number 5,514,947
†
Active Capacitor Patent Number 5,382,918
FIGURE 1.
7
www.national.com