LM2574MX-12 National Semiconductor, LM2574MX-12 Datasheet - Page 9

• Manufacturer Part Number: LM2574MX-12
• Description: Conv DC-DC Single Inv/Step Down 4V to 40V 14-Pin SOIC W T/R
• Manufacturer: National Semiconductor
• Type: Inverting|Step Downr

Specifications of LM2574MX-12

• Package: 14SOIC W
• Number Of Outputs: 1
• Minimum Input Voltage: 4 V
• Maximum Input Voltage: 40 V
• Switching Frequency: 58 KHz
• Operating Supply Voltage: 40(Max) V
• Maximum Output Current: 0.5 A
• Output Type: Fixed
• Output Voltage: 12 V
• Switching Regulator: Yes
• Efficiency: 88(Typ) %
• Operating Temperature: -40 to 125 °C

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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