DC-DC converter is a voltage converter that changes input voltageinto output fixed voltage. The DC-DC converter can be divided into three categories: step-up DC-DC converter step-down DC-DC converter and step-up and step-down converter. According to the demand, there are three types of control to choose:PWM with high efficiency has good output voltage ripple and noise; even after long time use, PFM has the advantages of small power consumption, especially when the load is small; PWM/PFM can achieve the control of small load and heavy load.At present, DC-DC converters are widely used in mobile phone, MP3, digital cameras, portable media players and other products.The following introduce is about the principle of DC-DC and design skills.(more)

ATI designs and manufactures a wide range of analog electronic products for the laser and industries. These products serve applications in medical, military, scientific, and industrial markets. ATI offers a line of diode drivers both high current and constant current applications.(more)

Vacuum suction pen, which looks like a pen, is a small pneumatic tool. It consists of a plastic or a rubber shell, a vacuum generator (pneumatic), a vacuum chuck, an elbow and a reel (pneumatic), and it can be flexibly used for assembly of small parts. Vacuum suction pen can be divided into two categories: pneumatic suction pen and manual suction pen. Air supplyrequirement of pneumatic suction pen is 4 to 6 kg of compressed air. The power of manual suction pen is the rubber bladder. Pneumatic suction pen and manual suction pen are compared: the former power is fuller, but it’s more limited in scope; the latter has more convenient activity, but it has less power.(more)

Electric suction pen has built-in vacuum pump and it needs no external vacuum system. Electric suction pen can continue working more than 1000hours, which has strong suction, and two branch suction pens can work at the same time. It is produced by electrostatic materials, which can make sensitive elements avoid electrostatic damage. Vacuum suction pen can be divided into pneumatic suction pen and manual suction pen. The source of pneumatic suction pen requires 4-6 kg of compressed air, and the power of manual suction pen is the rubber bladder.The two methods each have their advantages and disadvantages. Pneumatic suction pen hasmore full power but the scope of activities is limited.Manual suction pen is more convenient but the power is less than pneumatic suction pen.(more)

This kind of heat sink is the one of the popular sink heats. It fully consists of pure aluminum. The aluminum takes up the maximum metal quantity in earth’s crust. It has two characteristics, one is low cost and the other is heat capacity. It can dissipate heat quickly. The effect of heat dissipation can influence its construction and workmanship directly. The polishing of the bottom is better than the thermal slug which has better heat dissipation.(more)

LED power driver is a voltage converter, which can make a power supply convert into a specified voltage and current to drive the LED light. According to the rules of using electricity and the performance requirements of LED driver, we need to consider the following points when we select and design the LED power driver.(more)

There are many kinds of street lamp power supplies. According to the driving method, the street lamp power supplies can be divided into two categories.(more)

Introduction: The ATLSXA103 laser controller is a high-performance, linearly designed product known for its excellent noise suppression capabilities, with a DC noise as low as 6uA. Without an internal microcontroller, its small dimensions (20 * 14.5 * 5 mm) make it suitable for products with strict volume requirements. It is widely applied in DPSSL, EDFA, SOA, fiber lasers, and laser diodes.(more)

In the circuit design, resistors and capacitors are commonly used components. To meet the needs of circuit design, numerous tests will be carried out on the circuit and various values of resistors and capacitors will be connected to the circuit. Frequent soldering and replacement of components are a waste of time and energy that can also damage the circuit.(more)

Analog Technologies, Inc has been refining its ATLSxA116 series laser driver, which features high input voltage, low noise, constant current, and compact size. Now we have added two new members to this series, ATLS200MA116 and ATLS250MA116, whose current capabilities are 200mA and 250mA respectively.(more)