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Archive for the ‘Switching Regulator’ Category

Switch-Mode Power Supply Circuit Design using LM3524D

Thursday, April 1st, 2010

The schematic appears below designed Switch-Mode Power Supply (SMPS) circuit diagram. This SMPS circuit uses a push-pull design topology and used LM3524D as the controller for handling voltage regulation.

5V 1A Step Down Switching Regulator using LM2524D and Datasheet

Saturday, March 27th, 2010

The schematic diagram below circuits 5V/1A Step-Down Switching Regulator using LM2524D Regulating Pulse Width Modulator (PWM). You may see the parameters, PC board layout, stuffing diagram and more in the LM2524D datasheet.

The ADG333A Quad SPDT Switch Datasheet for Charge Injection Circuitry

Saturday, March 13th, 2010

Below is the circuit test schematic of ADG333A IC for charge injection purpose. ADG333A is one of Quad SPDT (single-pole double-throw) Switch which has a 10pC max low charge injection.

The LM2575 Switching Regulator Pin Functions and Datasheet

Saturday, March 6th, 2010

The following table shows the pin function descriptions of this LM2575, a monolitic IC designed for a step down switching regulator. LM2575 used to be applied in applications for such Power Supply for Battery Chargers, Simple High-Efficiency Step-Down(Buck) Regulator, Pre-Regulator for Linear Regulators and more.

3A Switching Regulator Circuit Diagram using LM317

Tuesday, March 2nd, 2010

A low cost 3A switching regulator circuit diagram is shown in the following schematic. LM317s are part of the LM117 series of adjustable positive voltage regulators.

National LM2576 Buck Regulator Datasheet and Basic Application Circuit Diagram

Tuesday, November 10th, 2009

The LM2576s are Buck Regulators which is rated for 3A of continuous load current and developed as Simple Switcher product family. These devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. The basic Buck regulator application circuit is shown in the following picture.