LM2670S-5.0
Features
- 1 Efficiency Up to 94%
- Simple and Easy to Design With (Using Off-the-
Shelf External ponents)
- 150-mΩ DMOS Output Switch
- 3.3-V, 5-V, 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
- External Sync Clock Capability
(280 k Hz to 400 k Hz)
- 260-k Hz Fixed Frequency Internal Oscillator
- - 40 to 125°C Operating Junction Temperature
Range
2 Applications
- Simple-to-Design, High Efficiency (>90%) Step Down Switching Regulators
- Efficient System Preregulator for Linear Voltage Regulators
- Battery Chargers
- munications and Radio Equipment Regulator
With Synchronized Clock Frequency
3 Description
The LM2670 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3-A loads with excellent line and load regulation...
