LM2671LD-ADJ/NOPB
Active8V TO 40V, 500MA SIMPLE SWITCHER® BUCK CONVERTER WITH 5 EXTERNAL COMPONENTS
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LM2671LD-ADJ/NOPB
Active8V TO 40V, 500MA SIMPLE SWITCHER® BUCK CONVERTER WITH 5 EXTERNAL COMPONENTS
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Technical Specifications
Parameters and characteristics for this part
| Specification | LM2671LD-ADJ/NOPB |
|---|---|
| Current - Output | 500 mA |
| Frequency - Switching | 260 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 16-WFDFN Exposed Pad |
| Supplier Device Package | 16-WSON (5x5) |
| Synchronous Rectifier | False |
| Topology | Buck |
| Voltage - Input (Min) [Min] | 6.5 V |
| Voltage - Output (Max) | 37 V |
| Voltage - Output (Min/Fixed) | 1.21 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 3.83 | |
| 10 | $ 3.44 | |||
| 25 | $ 3.25 | |||
| 100 | $ 2.82 | |||
| 250 | $ 2.67 | |||
| 500 | $ 2.40 | |||
| Digi-Reel® | 1 | $ 3.83 | ||
| 10 | $ 3.44 | |||
| 25 | $ 3.25 | |||
| 100 | $ 2.82 | |||
| 250 | $ 2.67 | |||
| 500 | $ 2.40 | |||
| Tape & Reel (TR) | 1000 | $ 2.02 | ||
| 2000 | $ 1.92 | |||
| 5000 | $ 1.85 | |||
| Texas Instruments | SMALL T&R | 1 | $ 2.89 | |
| 100 | $ 2.53 | |||
| 250 | $ 1.77 | |||
| 1000 | $ 1.43 | |||
Description
General part information
LM2671 Series
The LM2671 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, fixed frequency oscillator, external shutdown, soft start, and frequency synchronization.
The LM2671 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 its very high efficiency (> 90%), the copper traces on the printed-circuit board are the only heat sinking required.
Documents
Technical documentation and resources
