Cart LM2267x/LM22680 SIMPLE SWITCHER® Regulator Series
The LM2267x/LM22680 SIMPLE SWITCHER Step-Down Regulator Series is the next generation of highly popular LM267x SIMPLE SWITCHER Regulators. Numerous enhancements and improvements have been added such as an input range down to 4.5V, tighter output accuracy, adjustable switching frequency, a precision enable, and thermally enhanced green packages.
These new SIMPLE SWITCHER Regulators together with WEBENCH® Power Designer provide fast and easy design-in while delivering performance and flexibility to meet your design and application requirements.
Features
- Wide Input Voltage Range from 4.5V - 42V
- Load Currents from 0.5A – 5A
- Adjustable and Fixed Output Voltages
- Adjustable and Fixed Switching Frequencies (up to 1MHz) for optimal size and efficiency
- External Soft Start
- Precision Enable
- Internally compensated voltage mode control minimizes external component count
- Vout accurate within 2.0%, worst case
- Adjustable current limit
- Frequency Sync up to 1MHz
- PSOP-8 and TO263-7 THIN packages
Product Information
| Product ID | Eval Board App Notes | VIn (V) | IOut (A) | Adj Cur Limit | Soft Start | Enable | Adj. Freq. | Package | |
| THIN TO-263 | PSOP-8 | ||||||||
| LM22674 | AN-1895 | 4.5-42 | 0.5 |  |
|
||||
| LM22671 | AN-1895 | 4.5-42 | 0.5 | |
|
|
|
||
| LM22675 | AN-1896 | 4.5-42 | 1.0 | |
|
||||
| LM22672 | AN-1896 | 4.5-42 | 1.0 | |
|
|
|
||
| LM22680 | AN-1911 | 4.5-42 | 2.0 | |
|
|
|
||
| LM22670 | AN-1885 AN-1888 |
4.5-42 | 3.0 | |
|
|
|
||
| LM22673 | AN-1894 | 4.5-42 | 3.0 | |
|
|
|
||
| LM22676 | AN-1885 | 4.5-42 | 3.0 | |
|
|
|||
| LM22677 | AN-1892 | 4.5-42 | 5.0 | |
|
|
|||
| LM22678 | AN-1892 | 4.5-42 | 5.0 | |
|
||||
| LM22679 | AN-1891 | 4.5-42 | 5.0 | |
|
|
|||
Note: All parts available with either fixed VOut of 5.0V or adjustable VOut of 1.285 - 30V
