LM2575SX-12 National Semiconductor, LM2575SX-12 Datasheet - Page 2

• Manufacturer Part Number: LM2575SX-12
• Description: Conv DC-DC Single Inv/Step Down 4V to 40V 6-Pin(5+Tab) TO-263 T/R
• Manufacturer: National Semiconductor
• Type: Inverting|Step Downr

Specifications of LM2575SX-12

• Package: 6TO-263
• Number Of Outputs: 1
• Minimum Input Voltage: 4 V
• Maximum Input Voltage: 40 V
• Switching Frequency: 58 KHz
• Operating Supply Voltage: 4 to 40 V
• Maximum Output Current: 1 A
• Output Type: Fixed
• Output Voltage: 12 V
• Switching Regulator: Yes
• Efficiency: 88(Typ) %
• Operating Temperature: -40 to 125 °C

Block Diagram and Typical Application
1147502
3.3V, R2 = 1.7k
5V, R2 = 3.1k
12V, R2 = 8.84k
15V, R2 = 11.3k
For ADJ. Version
R1 = Open, R2 = 0Ω
Note: Pin numbers are for the TO-220 package.
FIGURE 1.
www.national.com
2