Abstract: The paper is a case study for finding a simple solution of a battery charger using the LM338 device and its built-in characteristics. We considered the case of lead-acid batteries charged ...

This rugged power supply is based on the popular LM338 3-pin voltage regulator. The LM338 is capable of supplying 5 A over an output voltage range of 1.2 V to 32 V with all standard protections like ...

A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying glass. An illustration of a magnifying glass.

A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying glass. An illustration of a magnifying glass.

D1 and D2 are protective diodes. Schottky diodes can be used instead of D1 and D2 as well. IC3 is the LM338 5A positive linear regulator. 1 R3 provides an output feedback path to the regulator and P2 ...

LM338 voltage regulator can also be used as an audio amplifier. The output voltage can be controlled by varying the IC’s reference voltage (pin 1), which is reflected as the output signal in the ...

1. It is built around Arduino Uno (Board1), adjustable voltage regulator LM338 (IC1), 12V voltage regulator 7812 (IC2), 16×2 LCD (LCD1) and a few other components. Fig. 1: Circuit diagram of automatic ...

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But popular adjustable regulators such as the LM317, LM350, and LM338 can provide output voltages only above 1.25 V, and the L200 minimum is higher at 2.85 V. Fixed-output regulators in the 78XX ...

He’s already built a supply based on the LM338 linear regulator, but the goal this time was to build it without a linear regulator IC, and add digital control over both the current and voltage.

Frank chose an LM338, an adjustable 5 A regulator. About 1.3 A at 5 VDC is required for Frank’s laser; doing some quick calculations, he proved the required dissipation would seriously stress the ...