LM2575T-5.0/LB03 National Semiconductor, LM2575T-5.0/LB03 Datasheet - Page 2

• Manufacturer Part Number: LM2575T-5.0/LB03
• Description: 1A STEP-DOWN SIMPLE SWITCHER
• Manufacturer: National Semiconductor

Block Diagram and Typical Application
01147502
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.
Connection Diagrams
(XX indicates output voltage option. See Ordering Information table for complete part
number.)
Straight Leads
Bent, Staggered Leads
5–Lead TO-220 (T)
5-Lead TO-220 (T)
01147524
01147522
01147523
Side View
Top View
Top View
LM2575T-XX Flow LB03 or
LM2575T-XX or LM2575HVT-XX
LM2575HVT-XX Flow LB03
See NS Package Number T05A
See NS Package Number T05D
www.national.com
2