PT8A3287WE Allicdata Electronics
Allicdata Part #:

PT8A3287WE-ND

Manufacturer Part#:

PT8A3287WE

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Diodes Incorporated
Short Description: HEATER CONTROLLER SO-8
More Detail: Heating Controller PMIC
DataSheet: PT8A3287WE datasheetPT8A3287WE Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Part Status: Obsolete
Applications: Heating Controller
Current - Supply: --
Voltage - Supply: 3.5 V ~ 5.5 V
Operating Temperature: -20°C ~ 85°C (TA)
Description

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The PT8A3287WE is a six-channel power management system integrated into a single 8-pin package. It is comprised of a voltage regulator, N-FET gate driver, comparator, temperature detector and dedicated pins for a sleep mode, reset detector and over-current protection. The PT8A3287WE is designed for power supply applications in consumer devices where high efficiency, low power loss, low noise and cost are critical components.

The PT8A3287WE supports a wide range of output voltages and a wide input voltage range from 1.7V to 6.5V. It is designed to reduce power dissipation and improve performance when used with low input voltages or high output currents. The PT8A3287WE also features fast switching speeds and low "on" resistance which reduces power losses while providing higher efficiency and lower noise.

The PT8A3287WE is ideal for applications in consumer electronics such as televisions, set-top boxes, DVD players and controllers. Additionally, it is suitable for portable devices such as cell phones, PDAs, digital cameras and MP3 players. Additionally, the PT8A3287WE is also suitable for automotive and industrial systems.

The PT8A3287WE’s working principle relies on the combination of three functions. The first function is the voltage regulator which maintains a constant output voltage at the chosen operating point. The second function is the gate driver, which translates logical signals into gate voltages for enabling or disabling FETs. Finally, the comparator and the temperature detector perform the over-current protection functions and the reset/sleep functions.

The voltage regulator is integrated into the PT8A3287WE, allowing for the concurrent regulation of up to six channels. Each of the six channels is individually programmable by the user. The maximum output voltage of the voltage regulator is 5 volts. The voltage regulator also features programmable current and power limits, under-voltage lockout, current foldback and overvoltage protection.

The N-FET gate driver is used to provide fast and efficient switching of power FETs while also reducing power losses. The driver also features integrated protection against electro-static discharge (ESD) and surge protection.

The PT8A3287WE is used in conjunction with the comparator, which provides protection features such as over-current and under-voltage protection. Additionally, the comparator has the ability to detect reset conditions, enabling a soft start upon power-on.

The temperature detector monitors the temperature of the device and can be used to prevent overheating. Additionally, it can be used to reduce the output voltage of the device when the temperature becomes too high.

In conclusion, the PT8A3287WE is a feature-rich power management system suitable for a variety of applications. It integrates a voltage regulator, N-FET gate driver, comparator, temperature detector, and dedicated pins for a sleep mode, reset detector and over-current protection. Its fast switching speeds and low “on” resistance reduce power losses while providing high efficiency and low noise levels, making it an ideal choice for power supply applications in consumer devices such as televisions, set-top boxes, DVD players and controllers, portable devices such as cell phones, PDAs, digital cameras and MP3 players, and automotive and industrial systems.

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

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