LM2574MX-ADJ National Semiconductor, LM2574MX-ADJ Datasheet - Page 13

• Manufacturer Part Number: LM2574MX-ADJ
• Manufacturer: National Semiconductor

Specifications of LM2574MX-ADJ

• Dc To Dc Converter Type: Inverting/Step Down
• Number Of Outputs: 1
• Pin Count: 14
• Input Voltage: 40V
• Output Voltage: 1.23 to 37V
• Switching Freq: 47 TO 58KHz
• Output Current: 500mA
• Efficiency: 77%
• Package Type: SOIC W
• Output Type: Adjustable
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 4V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Lead Free Status / Rohs Status: Not Compliant

LM2574 Series Buck Regulator Design Procedure
INDUCTOR VALUE SELECTION GUIDES (For Continuous Mode Operation)
FIGURE 4. LM2574HV-3.3 Inductor Selection Guide
FIGURE 5. LM2574HV-5.0 Inductor Selection Guide
DS011394-26
DS011394-13
13
FIGURE 6. LM2574HV-12 Inductor Selection Guide
FIGURE 7. LM2574HV-15 Inductor Selection Guide
(Continued)
DS011394-14
DS011394-15
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