LM2574MX-ADJ National Semiconductor, LM2574MX-ADJ Datasheet - Page 9

• 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

Block Diagram
DS011394-10
R1 = 1k
3.3V, R2 = 1.7k
5V, R2 = 3.1k
12V, R2 = 8.84k
15V, R2 = 11.3k
For Adj. Version
R1 = Open, R2 = 0
Note: Pin numbers are for the 8-pin DIP package.
FIGURE 1.
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