LM2574HVM-15/NOPB Semiconductors - ICs by Texas Instruments

DC-DC CONVERTER SOP-14

Electronic & Electrical Components>Semiconductors - ICs>Power Management
Status: Unknown
Series: -
RoHS: Unknown
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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 fixedfrequency 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. A standard series of inductors optimized for use with the LM2574 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies. Other features include a specified ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50-μA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.

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Prices starting from US$2.31

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Rochester Electronics
from US$2.31
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Specifications

Topology Buck (, Buck (Step Down)
Input Voltage Min 4V
Input Voltage Max 60V
DC / DC Converter IC Case SOIC
No. of Pins 14Pins
Output Current 500mA
Switching Frequency 52kHz
Operating Temperature Max 125°C

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The LM2574HVM-15/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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