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A DC DC converter is a voltage converter that effectively outputs a fixed voltage after the input voltage is converted. There are three types of DC converters: step-up DC DC converters, step-down DC DC converters, and buck-boost DC DC converters.
Three types of control can be used according to customer needs. The PWM controlled type has high efficiency and good output voltage ripple and noise. The PFM-controlled type has the advantage of low power consumption, especially at small loads, even if it is used for a long time.
PFM PFM control is implemented when the PFM conversion type is small load, and it is automatically switched to PWM control when the load is heavy. Torex (Torex) DC DC a lot of buying, Shenzhen Tedland Electronics **** is its best business, Hong Kong has Hong Kong Fuyan Technology ****. You can go to them if you need them.
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Torex is an electronic component in Japan.
of the brand. Torex) main product type: voltage detector, voltage regulator, battery charging IC, Hall switch.
DC DC converters, Schottky diodes.
Oscillator ICs, CMOS logic circuits, low noise amplifiers (LNAs), car voltage pumps, load switches, power MOSFETs, PLL clock generators.
Mainland** business: Shenzhen Tedland Electric Wide Shop ****.
Hong Kong ** business: Hong Kong Fuyan Technology ****.
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Torex (Torex) China's first-class ** business, Tideland Electronics and Fuyan Technology (0755-83322522).
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Compared with linear regulators, DC-DC converters have high conversion efficiency and are less prone to heat when there is a large voltage dropout and large current output. There are some models of DC-DC converters that also have the ability to boost and perform voltage inverting conversion, which is not possible with linear regulators.
In general, DC-DC converters have slightly larger ripple than linear regulators, which is a disadvantage.
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Shenzhen Zhishang Technology Co., Ltd. is mainly engaged in mobile power solutions, DC DC converters, LED driver controllers, linear lithium battery charge management controllers, low-dropout linear voltage regulators (LDOs), power field-effect transistors (MOSFETs), touch screen controllers, voltage detection chips, reference voltage regulator sources, linear voltage regulator sources.
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There are some, because the competition for electronics is very fierce now, and Torex's voltage regulators, voltage detectors, etc. are very famous, so they have attracted a lot of competition, so you still have to shop around when choosing. I used to work in Huaqiangbei, and I knew that there were good things to do there, such as Ted Land Electronics and Hong Kong Fuyan Technology, both of which are first-class first-class reputation, and they are also well-known in the industry, which are all known to Huaxiang Beiqiangbei, because they have been doing it for about 10 years, and time can tell everything. Ask Liang to be ruined!!
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DC is direct current, and DC converter head is a power adapter accessory.
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As a group specializing in analog ICs for power supplies, Torex uses simulation technology to control small currents to meet the needs of our customers. Torex Semiconductor, which has high-power power supply products, is able to meet the needs of customers with a wide range of products, including voltage detectors, voltage regulators, DC converters, temperature sensors, power MOSFETs, and Schottky diodes.
Torex has a few ** in Chaoqin China, if it is South China, look for Shenzhen Xunda City Ted Lan Electronics ****.
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DC-DC is a device that converts the electrical energy of one voltage value into the electrical energy of another voltage value in a DC circuit, which uses microelectronic technology to assemble a small surface-mounted integrated circuit and a miniature electronic component.
DC-DC chip supplier: Shoot Mingxin City components.
Function. 1. Isolation:
1. Noise isolation: (isolation of analog circuit and digital circuit, isolation of strong and weak signals) 2. Safety isolation: isolation of strong and weak electricity, isolation of IGBT drive, surge isolation protection, lightning isolation protection (such as isolation protection of medical electronic equipment in contact with the human body).
3. Grounding loop elimination: remote signal transmission distributed power supply system.
2. Voltage conversion:
Boost Conversion Buck Conversion AC/DC Conversion (AC DC, DC AC) Polarity Conversion (Positive and Negative Polarity Conversion, Single Supply and Positive and Negative Supply Conversion, Single Supply and Multiple Supply Conversion).
3. Protection: short circuit protection, over-voltage protection, under-voltage protection, over-current protection, and other protections.
4. Noise reduction: active filtering is adopted.
5. Voltage regulation: AC mains power supply, remote DC power supply, distributed power supply system, battery power supply performance 1The voltage at the input and output terminals is smooth DC, and there is no AC harmonic component 2The output impedance is zero.
3.Fast dynamic response and strong inhibition ability.
4.High efficiency and miniaturization.
Application: Tram, Metro, Electric Vehicle, Train.
2.DC motor speed regulation system, 3lighting, xenon ballast
power supply,,vrm
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LM2596 is a classic step-down DCDC chip; The internal switching frequency is only 150kHz; The maximum efficiency is about 90% (input 25V, output 12V). The efficiency of the fixed-output version is only about 73%.
The LM2596 series is a 3A current output step-down switching integrated voltage regulator chip manufactured by Texas Instruments, which contains a fixed frequency oscillator (150kHz) and a reference voltage regulator (, and has complete protection circuitry, current limit, thermal shutdown circuit, etc. The device requires very few external components to form a high-efficiency regulated circuit. The ones that are offered are:
and adjustable (-adj) and other voltage grade products.
In addition, the chip provides an external control pin for the operating state.
The main features of LM2596 series switching regulator integrated circuits are as follows
1. Output voltage: and (ADJ), etc., the maximum output voltage is 37V2, and the working mode is low power consumption and normal mode. 3. External control: TTL level compatible.
4. Required external components: only four (non-adjustable); Six (adjustable) 5. Device protection: thermal shutdown and current limit.
6. Package: 5 pins (TO-220(T); to-263(s))
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