Texas Instruments LM2576
The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-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. The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators.| Part No. | LM2576 |
|---|---|
| Datasheet | LM2576 Download |
| Manufacturer |  Texas Instruments |
| Description | 3-A Step-Down Voltage Regulator |
| Buy | Stock & Price |
FEATURES
● Newer products available: – LMR51430 4.5 to 36-V, 3-A, 500-kHz and 1.1MHz synchronous converter – LM76003 3.5 to 60-V, 3.5-A, 300-kHz to 2.2MHz synchronous converter● For faster time to market: – TLVM13630 3 to 36-V, 3-A, 200-kHz to 2.2-MHz power module
● 3.3-V, 5-V, 12-V, 15-V, and adjustable output versions
● Adjustable version output voltage range,1.23 V to 37 V (57 V for HV version) ±4% maximum over line and load conditions
● Specified 3-A output current
● Wide input voltage range: 40 V Up to 60 V for HV version
● Requires only four external components
● 52-kHz fixed-frequency internal oscillator
● TTL-shutdown capability, low-power standby mode
● High efficiency
● Uses readily available standard inductors
● Create a custom design using the LMR33630 or LM76003 with the WEBENCH® Power Designer 2
APPLICATIONS
● Motor drives● Merchant network and server PSU
● Appliances
● Test and measurement equipment 3
DESCRIPTION
Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator.
