LM2574MX-12/NOPB
Active8V TO 40V, 500MA SIMPLE SWITCHER® BUCK CONVERTER WITH 4 EXTERNAL COMPONENTS
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LM2574MX-12/NOPB
Active8V TO 40V, 500MA SIMPLE SWITCHER® BUCK CONVERTER WITH 4 EXTERNAL COMPONENTS
Technical Specifications
Parameters and characteristics for this part
| Specification | LM2574MX-12/NOPB |
|---|---|
| Current - Output | 500 mA |
| Frequency - Switching | 52 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 | 1.81 mOhm |
| Package / Case | 0.295 in |
| Package / Case | 14-SOIC |
| Package / Case | 7.5 mm |
| Synchronous Rectifier | False |
| Topology | Buck |
| Voltage - Input (Min) [Min] | 4 V |
| Voltage - Output (Min/Fixed) | 12 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 | $ 2.70 | |
| 10 | $ 2.42 | |||
| 25 | $ 2.29 | |||
| 100 | $ 1.98 | |||
| 250 | $ 1.88 | |||
| 500 | $ 1.69 | |||
| Digi-Reel® | 1 | $ 2.70 | ||
| 10 | $ 2.42 | |||
| 25 | $ 2.29 | |||
| 100 | $ 1.98 | |||
| 250 | $ 1.88 | |||
| 500 | $ 1.69 | |||
| Tape & Reel (TR) | 1000 | $ 1.42 | ||
| 2000 | $ 1.35 | |||
| 5000 | $ 1.30 | |||
| Texas Instruments | LARGE T&R | 1 | $ 2.26 | |
| 100 | $ 1.86 | |||
| 250 | $ 1.34 | |||
| 1000 | $ 1.01 | |||
Description
General part information
LM2574HV Series
The LM2574xx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and a fixed-frequency oscillator.
The LM2574xx series offers a high-efficiency replacement for popular three-terminal linear regulators. Because of its high efficiency, the copper traces on the printed-circuit board (PCB) are normally the only heat sinking needed.
Documents
Technical documentation and resources
