LM3153
FEATURES
- 234 Power Wise™ Step-down Controller
- 6V to 42V Wide Input Voltage Range
- Fixed Output Voltage of 3.3V
- Fixed Switching Frequencies of 250 k Hz/500 k Hz/750 k Hz
- No Loop pensation Required
- Fully WEBENCH® Enabled
- Low External ponent Count
- Constant On-Time Control
- Ultra-Fast Transient Response
- Stable with Low ESR Capacitors
- Output Voltage Pre-bias Startup
- Valley Current Limit
- Programmable Soft-start
TYPICAL APPLICATIONS
- Tele
- Networking Equipment
- Routers
- Security Surveillance
- Power Modules
DESCRIPTION
The LM3151/2/3 SIMPLE SWITCHER Controller is an easy to use and simplified step down power controller capable of providing up to 12A of output current in a typical application. Operating with an input voltage range from 6V-42V, the LM3151/2/3 features a fixed output voltage of 3.3V, and features switching frequencies of 250 k Hz, 500 k Hz, and 750 k Hz. The synchronous architecture provides for highly efficient designs. The LM3151/2/3 controller employs...
