LM2678S-ADJ SIMPLE SWITCHER® High Efficiency 5-A Step-Down V-Regulator
• Efficiency Up to 92%
• Simple and Easy to Design Using Off-the-Shelf External Components
• 120-mO DMOS Output Switch
• 3.3-V, 5-V, and 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
• 50-µA Standby Current When Switched OFF
• ±2% Maximum Output Tolerance Over Full Line and Load Conditions
• Wide Input Voltage Range: 8 V to 40 V
• 260-kHz Fixed Frequency Internal Oscillator
• -40 to 125°C Operating Junction Temperature Range
• TO 263-7
LM2678.pdf
• Simple and Easy to Design Using Off-the-Shelf External Components
• 120-mO DMOS Output Switch
• 3.3-V, 5-V, and 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
• 50-µA Standby Current When Switched OFF
• ±2% Maximum Output Tolerance Over Full Line and Load Conditions
• Wide Input Voltage Range: 8 V to 40 V
• 260-kHz Fixed Frequency Internal Oscillator
• -40 to 125°C Operating Junction Temperature Range
• TO 263-7
LM2678.pdf