When the LM is used as shown in the Figure 24 test circuit, system . See Application Hints in this data sheet and the thermal model in Switchers Made. 2 Jul The LM is available in V and 5V fixed output ver- .. This information furnished by Micrel in this data sheet is believed to be accurate. LM A Step-Down SMPS Regulator. Status: In Production. View Datasheet. Features: V, 5V, 12V, and adjustable output versions; Adjustable version.
|Published (Last):||9 April 2010|
|PDF File Size:||6.60 Mb|
|ePub File Size:||8.22 Mb|
|Price:||Free* [*Free Regsitration Required]|
A standard series of inductors optimized for use with the LM are available from several different manufacturers.
LM SIMPLE SWITCHER 4V to 40V, A Step-Down DC/DC Switching Regulator |
The LM is available in 3. The LM family is a series of easy to use fixed and adjustable switching voltage regulators. An external shutdown connection selects operating or standby modes. The LM dagasheet all of the active circuitry necessary to construct a stepdown buck switching lm2574 datasheet and requires a minimum of external components. LM – lm2574 datasheet kHz Simple 0.
Circuits constructed around the LM use lm2574 datasheet standard series of inductors which are available from several different manufacturers.
Switching Frequency Max kHz.
SIMPLE SWITCHER 4V to 40V, 0.5A Step-Down DC/DC Switching Regulator
Switching Frequency Min kHz. Lm2574 datasheet Options Pricing Options. Adequate heat transfer is usually provided by soldering all package pins to a printed circuit board.
In Production View Datasheet Features: The LMxx series offers a high-efficiency replacement for popular three-terminal linear regulators. For pricing and availability, contact Microchip Local Sales. The LMxx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down lm2574 datasheet switching regulator, capable of driving a 0. lm2574 datasheet
LM Datasheet(PDF) – National Semiconductor (TI)
These devices are available in fixed output voltages of 3. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
Because of lm2574 datasheet high efficiency, the copper traces on the printed-circuit lm2574 datasheet PCB are normally the only heat sinking needed.
Lm2574 datasheet contact sales office if device weight is not available. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
Description The LMxx series of regulators are monolithic integrated lm2754 that provide all the active functions for a step-down buck switching regulator, capable of driving a 0.
Heat sinks are generally unnecessary due the regulator’s high efficiency. Shutdown capability standby mode Low power standby mode High efficiency 52kHz fixed frequency internal lm2574 datasheet Uses standard inductors View More. Lm2574 datasheet LM can supply 0.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and lm2574 datasheet fixed-frequency oscillator. This feature greatly simplifies the design of switch-mode power supplies.