Overview of chip FAN2508S27X
FAN2508S27X is an efficient and low-noise buck converter, which is widely used in various electronic equipment requiring regulated power supply. The chip is designed and manufactured by Fairchild Semiconductor (now part of ON Semiconductor). With its excellent output performance, wide input voltage range and multiple protection mechanisms, FAN2508S27X occupies an important position in the field of modern power management.
The main design goal of FAN2508S27X is to provide high stability output voltage for various loads and support power supply requirements of various digital and analog circuits. As a buck converter, its main advantage is that it can reduce the input voltage higher than the target output voltage to the required value, and maintain good conversion efficiency. This makes the FAN2508S27X very suitable for portable devices, consumer electronics, industrial equipment, automotive electronics and other fields.
Detailed parameters of chip FAN2508S27X
The main technical parameters of FAN2508S27X are as follows:
1. Input voltage range: 4.5V to 28V 2. Output voltage: adjustable, typical output voltage is 5V, 3.3V, etc 3. Output current: the maximum output current can reach 1A 4. Switching frequency: 150kHz to 500kHz, adjustable 5. Efficiency: under applicable load conditions, the conversion efficiency is up to 95% 6. Operating temperature range: - 40 ° C to 125 ° C 7. Package type: TSOP-8 8. Built in protection mechanism: overcurrent protection, over temperature protection, undervoltage locking and other functions
These parameters make the FAN2508S27X highly suitable for power sensitive applications, such as power management systems in low-power devices and compact spaces.
Manufacturer, packaging and packaging of chip FAN2508S27X
FAN2508S27X is produced by Fairchild Semiconductor Company, which was founded in 1957 and is committed to providing high-performance semiconductor products. In 2016, Fairchild Semiconductor was acquired by ON Semiconductor and became its subsidiary. ON Semiconductor is a leading semiconductor manufacturer in the world, providing a wide range of product lines, including analog, digital, mixed signal and power devices.
In terms of packaging, the FAN2508S27X is usually packaged with TSOP-8, which has miniaturization, low weight and good heat dissipation capacity, and is suitable for the design requirements of dense circuit boards. The pin arrangement design of TSOP-8 package allows higher integration and less space.
Description of pin and circuit diagram of chip FAN2508S27X
The TSOP-8 package of FAN2508S27X usually includes the following pin configurations:
1. VIN - input power pin, used to accept input voltage. 2. SW - Switch pin, connected to external inductor. 3. GND - ground pin, providing the reference ground of the circuit. 4. VOUT - output voltage pin, which outputs regulated current to the load. 5. COMP - compensation pin, feedback adjustment through external components. 6. FB - feedback pin, connected to output voltage divider for closed-loop control. 7. SS - Start pin, soft start is achieved through external capacitance. 8. EN - enable pin, which controls the opening and closing of the chip.
In the circuit diagram, the connection mode of FAN2508S27X usually involves the configuration of external inductors, diodes and capacitors to achieve stable output voltage and minimum noise. The typical circuit diagram in the application will show how to integrate the chip with other components in the power module.
Use case of chip FAN2508S27X
The application cases of FAN2508S27X are diverse, involving the design and implementation of derivatives. The following are some typical usage scenarios:
1. Portable electronic devices: In consumer electronic products such as smart phones and tablets, FAN2508S27X can be used to convert the high voltage of the battery into the required low voltage to drive processors, sensors and wireless modules.
2. Industrial control system: In industrial automation equipment such as PLC (programmable logic controller), FAN2508S27X is used as a power management module to ensure the power supply stability of equipment under high load.
3. Automotive electronics: In automotive systems, such as navigation, infotainment and on-board computers, FAN2508S27X can effectively provide stable power supply to enable the system to operate in harsh environments.
4. LED driver: FAN2508S27X can also be used in LED lighting system to provide constant current drive to ensure that LED can still light normally under different environments.
5. IoT equipment: With the popularization of IoT equipment, FAN2508S27X can provide stable voltage for a large number of sensors and executive components to meet their power consumption and space constraints.
Through the above application cases, we can see the importance of FAN2508S27X in the field of modern electronic power management. Different design requirements and application environments make it an ideal choice to provide reliable power solutions under various complex conditions.
