Purchase LM2673, In-stock LM2673 From SeekIC.
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LM2673
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DataSheet
General Description
LM2673 Maximum Ratings
| Input Supply Voltage | 45V |
| Softstart Pin Voltage | −0.1V to 6V |
| Switch Voltage to Ground | −1V to VIN |
| Boost Pin Voltage | VSW + 8V |
| Feedback Pin Voltage | −0.3Vto14V |
| Power Dissipation | Internally Limited |
| ESD(Note2) | 2 kV |
| Storage Temperature Range | −65˚C to 150˚C |
| Soldering Temperature | |
| Wave | 4 sec,260˚C |
| Infrared | 10 sec,240˚C |
| Vapor Phase | 75 sec,219˚C |
LM2673 Features
Efficiency up to94%
Simple and easy to design with (using off-the-shelf external components)
Resistor programmable peak current limit over arange of 2A to 5A.
150mΩ DMOS output switch
3.3V,5V and 12V fixed output and adjustable (1.2V to 37V) versions
±2%maximum output tolerance over full line and load conditions
Wide input voltage range:8V to 40V
260 KHz fixed frequency internal oscillator
Softstart capability
−40 to +125˚C operating junction temperature range
Simple and easy to design with (using off-the-shelf external components)
Resistor programmable peak current limit over arange of 2A to 5A.
150mΩ DMOS output switch
3.3V,5V and 12V fixed output and adjustable (1.2V to 37V) versions
±2%maximum output tolerance over full line and load conditions
Wide input voltage range:8V to 40V
260 KHz fixed frequency internal oscillator
Softstart capability
−40 to +125˚C operating junction temperature range
LM2673 Typical Application
Simple to design,high efficiency (>90%) step-down switching regulators
Efficient system pre-regulator for linear voltage regulators
Battery chargers
Efficient system pre-regulator for linear voltage regulators
Battery chargers
LM2673
PDF/DataSheet Download
- Datasheet: LM2673
- File Size: 362269 KB
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