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Technical Specifications
Parameters and characteristics for this part
| Specification | LM2674N-12/NOPB |
|---|---|
| Current - Output | 500 mA |
| Frequency - Switching | 260 kHz |
| Function | Step-Down |
| Mounting Type | Through Hole |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | 1.81 mOhm |
| Package / Case | 0.3 in |
| Package / Case | 8-DIP |
| Package / Case | 7.62 mm |
| Supplier Device Package | 8-PDIP |
| Synchronous Rectifier | False |
| Topology | Buck |
| Voltage - Input (Min) [Min] | 6.5 V |
| Voltage - Output (Min/Fixed) | 12 V |
LM2674 Series
SIMPLE SWITCHER® 40V, 500mA Low Component Count Step-Down Regulator
| Part | Frequency - Switching | Package / Case | Package / Case [y] | Package / Case [x] | Function | Synchronous Rectifier | Supplier Device Package | Voltage - Input (Min) [Min] | Voltage - Output (Min/Fixed) | Number of Outputs | Output Type | Current - Output | Operating Temperature [Min] | Operating Temperature [Max] | Topology | Output Configuration | Mounting Type | Output Type | Voltage - Output (Max) | Package / Case | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Texas Instruments | 260 kHz | 8-SOIC | 3.9 mm | 0.154 in | Step-Down | 8-SOIC | 6.5 V | 12 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | |||||
 Texas Instruments | 260 kHz | 16-WFDFN Exposed Pad | Step-Down | 16-WSON (5x5) | 6.5 V | 1.2 V | 1 | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | Adjustable | 37 V | ||||||
Texas Instruments | 260 kHz | 8-DIP | Step-Down | 8-PDIP | 6.5 V | 3.3 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Through Hole | 0.3 in | 7.62 mm | |||||
Texas Instruments | 260 kHz | 8-SOIC | 3.9 mm | 0.154 in | Step-Down | 8-SOIC | 6.5 V | 12 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | |||||
Texas Instruments | 260 kHz | 8-SOIC | 3.9 mm | 0.154 in | Step-Down | 8-SOIC | 6.5 V | 1.2 V | 1 | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | Adjustable | 37 V | ||||
Texas Instruments | 260 kHz | 8-DIP | Step-Down | 8-PDIP | 6.5 V | 12 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Through Hole | 0.3 in | 7.62 mm | |||||
 Texas Instruments | 260 kHz | 16-WFDFN Exposed Pad | Step-Down | 16-WSON (5x5) | 6.5 V | 5 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | |||||||
 Texas Instruments | 260 kHz | 8-SOIC | 3.9 mm | 0.154 in | Step-Down | 8-SOIC | 6.5 V | 3.3 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | |||||
Texas Instruments | 260 kHz | 8-SOIC | 3.9 mm | 0.154 in | Step-Down | 8-SOIC | 6.5 V | 3.3 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Surface Mount | |||||
Texas Instruments | 260 kHz | 8-DIP | Step-Down | 8-PDIP | 6.5 V | 12 V | 1 | 1.81 mOhm | 500 mA | -40 °C | 125 ¯C | Buck | Positive | Through Hole | 0.3 in | 7.62 mm |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
Description
General part information
LM2674 Series
The LM2674 series of regulators are monolithic integrated circuits built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 500-mA load current with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation and a fixed frequency oscillator.
The LM2674 series operates at a switching frequency of 260 kHz, thus allowing smaller sized filter components than what is required with lower frequency switching regulators. Because of very high efficiency (> 90%), the copper traces on the printed-circuit board are the only heat sinking required.
Documents
Technical documentation and resources
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