BD3575FP-E2

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The BD3575FP-E2 is a highly integrated, low-noise positive-voltage regulator that enables efficient, low-cost power supply designs. It offers precision voltage regulation with a wide input voltage range and a low-output voltage drop. The chip features two independent linear regulators, one for generating an adjustable output voltage and the other for generating a fixed, low output voltage. This enables designers to combine the simplicity of a linear regulator with the low-power operation of a switching regulator to create a design that is both robust and highly energy efficient. In addition, the device includes a built-in programmable delay timer, which allows the user to optimize power supply design efficiency.

The BD3575FP-E2 belongs to the PMIC (Power Management IC) family of electronics products. It is specifically a Voltage Regulator, categorized as a Linear Voltage Regulator (LVR). A linear voltage regulator, also known as a linear voltage regulator chip (LDVR), is a type of electronic component whose primary purpose is to regulate the voltage supplied to a circuit, usually by controlling the current flow. It works by using an internal power supply (the voltage source), and then allowing only a certain amount of current to flow from this voltage regulator. This current limit is generally called the output voltage. This can be both an adjustable or fixed output voltage, depending on the type of linear voltage regulator used.

The BD3575FP-E2 is a positive voltage regulator, meaning it provides outputs of a positive voltage relative to its reference pin. It has a wide operating input voltage range and low-output voltage drop, providing a lower power consumption and a simpler design. The chip is highly integrated with an output up to 340mA. It has a built-in programmable delay time, so the user can adjust the time it takes the voltage regulator to switch from power-off to power-on. This can improve system efficiency and reduce power consumption. Furthermore, it includes over-current protection, inrush current control, and thermal protection. All these features make the chip ideal for applications like batteries, notebook PCs, transistor radios, cellular telephones, and AC adapters.

The BD3575FP-E2 is designed for two different output voltages. One of the outputs is the adjustable voltage; it can range from 1.45V to 3.6V and is set through the external resistors. The other is the fixed output voltage, which is always a low voltage, typically 5V or 3.3V. When both outputs are in use, the combination of adjustable and fixed output voltages allows designers to provide power to a wide range of applications.

The working principle of the BD3575FP-E2 is based on the voltage source and the current limit. The voltage source is the internal power supply of the chip, and the current limit is established depending on the output voltage. When the output voltage is higher than the set limit, the current is limited; when the output voltage is lower than the limit, the current will flow freely. This allows designers to add additional components to the circuit, such as a capacitor, to ensure the working stability of the circuit.

In conclusion, the BD3575FP-E2 is an excellent choice for achieving efficient power supply designs. It offers an adjustable output voltage with a wide input voltage range and a low-output voltage drop, allowing for a robust and energy efficient design. In addition, the chip has a built-in programmable delay timer, efficient over-current protection, and inrush current control. All these features make the BD3575FP-E2 an ideal solution for many applications, including battery-powered and AC adapter-powered devices.

The specific data is subject to PDF, and the above content is for reference