LM2574 Datasheet - Micrel Semiconductor

LM2574, 52kHz Simple 0.5A Buck Regulator

LM2574 Micrel, Inc.LM2574 52kHz Simple 0.5A Buck Regulator General .
The LM2574 family is a series of easy to use ﬁxed and adjustable switching voltage regulators.

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Datasheet Details

Part number:

LM2574

Manufacturer:

Micrel Semiconductor

File Size:

185.12 KB

Description:

52kHz Simple 0.5A Buck Regulator

Features

* 3.3V, 5V, 12V, and adjustable output versions
* Adjustable version output 1.23V to 37V ±4% max. over line and load conditions.
* Guaranteed 0.5A output current
* Wide input voltage, up to 40V
* Thermal shutdown and current limit protection
* Requires

Applications

* Simple high-efﬁciency step-down (buck) regulator
* Efﬁcient pre-regulator for linear regulators
* On-card switching regulators
* Positive to negative converter (buck-boost) Typical Application 40V MAX UNREGULATED DC IN CIN 22µF FB VIN LM2574 OUT PWR SIG ON/ GND G

LM2574 Distributors

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LM2574 52kHz Simple 0.5A Buck Regulator Micrel Semiconductor

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LM2576