LM2596S-5.0 High-performance DC-DC Voltage Regulator Power Converter with a Wide Range of Applications

PublishTime： 2023-11-07 Article Source：SLKOR News

Today, we will introduce the LM2596S-5.0 3A 150KHz DC switching voltage stabilizing circuit.

Fig.1

Description

● LM2596/LM2596HV is a fixed frequency PWM DCDC voltage stabilizing power converter with a fixed frequency of 150KHz. With the 3A output current driving ability, it has characteristics such as high efficiency, low ripple wave, high linear adjustment rate, and load regulation. With the PWM modulation mode, the chip can adjust the linear ranges of the duty ratio of 0-100%.

● LM2596/LM2596HV has a built-in fixed frequency oscillator and a frequency compensation module, with simple use, and only a small number of external components and parts are needed. In addition, the chip has built-in functions such as enabling, over-temperature protection, over-current protection, and stimulation over-current protection with the hysteresis function. In the condition of secondary over-current protection, the built-in down-conversion function can reduce the working frequency from 150KHz to 50KHz.

Features

● Input voltage ranges from 4.5V to 40V, 60V for HV model.

● The voltage stabilizing output has 3.3V, 5V, 12V, and output adjustable version, and the adjustable ranges of the output adjustable version are from 1.23V to 37V, 57V for the HV model;

● The adjustable ranges of the duty ratio: 0~100%.

● Minimum saturation voltage drop: 1.5V 150KHz fixed working frequency

● 3A fixed current output capacity.

● ON OFF hysteresis switch function.

● Built-in over-temperature protection and over-current protection.

● Built-in frequency compensation function.

● High working efficiency, linear adjustment rate, and load adjustment rate.

Applications

● LCD monitor, LCDTV.

● Digital Frame.

● TV set top box.

● Modulator demodulators.

● Various telephones and network equipment.

LM2596S-5.0 is a DC-DC voltage regulator power converter with excellent characteristics in Sarc Microelectronics' product line. It belongs to the LM2596/LM2596HV series of products. The product has a VOUT (output voltage) of 5V, which is suitable for many electronic devices and application scenarios.

The LM2596/LM2596HV series of products adopt a fixed-frequency PWM modulation mode at 150kHz, offering stable performance and high efficiency. They can provide up to 3A of output current driving capability, meeting the requirements of most low-voltage applications. Additionally, using these products also provides advantages such as low ripple, high linearity adjustment rate, and load adjustment rate.

In addition to the basic functionalities, the LM2596/LM2596HV series products also come with other useful protection features. For example, they have built-in enable functions with delay characteristics, effectively avoiding switch overload and short circuit situations. Moreover, they include features like over-temperature protection, over-current protection, and hiccup over-current protection, providing comprehensive safety measures for the system.

Using LM2596S-5.0 is very simple, as it only requires very few external components to function. It has a built-in frequency compensation module which stabilizes the frequency and offers good anti-interference capability. Users can achieve regulation of the output voltage by adjusting the duty cycle in the linear range of 0-100%.

LM2596S-5.0 is a high-performance DC-DC voltage regulator power converter with a wide range of applications. It is suitable for various fields such as LCD displays, LCD TVs, digital photo frames, set-top boxes, modems, telephones, network devices, etc. Particularly in the field of LCD displays and TVs, where high requirements are placed on the power converter to ensure stable output voltage and performance, LM2596S-5.0 becomes a good choice. In the case of digital photo frames, LM2596S-5.0 also has a wide range of application prospects. Digital photo frames require an efficient and stable power supply to ensure image quality and user experience. The parameters of LM2596S-5.0, such as VIN (input voltage) of 40V, VOUT (output voltage) of 5V, and IOUT (output current) of 10mA, are sufficient to meet the needs of digital photo frames.

In addition to LM2575S-3.3, SACO Microelectronics also has many other excellent power IC products. For example, DC-DC power chips such as LM2596SX-12, LM2596SX-ADJ, LM2577S-ADJ, SL2733, LM2596S-ADJ, MC34063, LM2596S-5.0, LM2576S-3.3, LM2596S-12 all have outstanding performance and reliability, providing efficient power solutions for electronic devices in different fields.

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