PT6512B Allicdata Electronics
Allicdata Part #:

PT6512B-ND

Manufacturer Part#:

PT6512B

Price: $ 0.00
Product Category:

Power Supplies - Board Mount

Manufacturer: Texas Instruments
Short Description: DC DC CONVERTER 1.5V 12W
More Detail: Non-Isolated PoL Module DC DC Converter 1 Output 1...
DataSheet: PT6512B datasheetPT6512B Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Voltage - Output 3: --
Base Part Number: PT6512
Size / Dimension: 2.36" L x 1.22" W x 0.42" H (59.9mm x 31.0mm x 10.7mm)
Package / Case: 14-SMD Module
Mounting Type: Surface Mount
Efficiency: 77%
Operating Temperature: -40°C ~ 85°C
Features: OTP, SCP
Applications: ITE (Commercial)
Current - Output (Max): 8A
Series: PT6510
Voltage - Output 2: --
Voltage - Output 1: 1.5V
Voltage - Input (Max): 6V
Voltage - Input (Min): 3.1V
Number of Outputs: 1
Type: Non-Isolated PoL Module
Part Status: Obsolete
Packaging: Tray 
Description

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DC/DC converters offer a flexible power delivery solution for a variety of applications. For a specific application, the best choice of power delivery is made by selecting the most efficient, cost effective, and reliable converter to meet the power and performance requirements. One such option is the PT6512B DC/DC converter. Also known as the single-stage direct-current/direct-current (DCDC) converter, this converter offers numerous advantages, including full-wave rectification, synchronous rectification, low output voltage ripple, and large output power.

The PT6512B DC/DC converter is a non-isolated, surface mount device that is well-suited for use in applications where high efficiency and low power dissipation are most important. It features a wide input voltage range,a wide output voltage range, active rectifier circuits, and an adjustable output voltage. To ensure reliable operation in applications, the device also includes synchronous rectification and coordinated loop control mechanisms for precise regulation of power. Furthermore, the circuit topology of the PT6512B makes the device highly versatile, making it suitable for a wide range of applications.

Application Areas

The use of PT6512B converters is found in a variety of industries and applications. For example, it can be utilized as a high-performance power delivery solution in medical, industrial, automotive, and consumer applications. Some of the most popular uses of the device include applications involving communication, consumer audio/video, industrial motor control, and LED lighting.

The device is also ideal for server communications due to its flexible and robust design. The PT6512B converter provides reliable operation with high conversion efficiency in a small package, thus making it suitable for applications such as servers, routers, and access points. The device’s wide input range and low output voltage ripple also make it suitable for powering sensitive components in communication equipment. Furthermore, it is the only DC/DC converter that features synchronous rectification and active front-end control, providing high efficiency, optimized power delivery, and low power dissipation.

In addition to applications in the communications sector, PT6512B converters are also used in various industrial and consumer applications. The device is suitable for applications such as motor control, LED lighting, high-end audio/video equipment, and consumer electronics. Its wide input voltage range, low output voltage ripple, and robust design make it an ideal choice for these types of applications. Furthermore, with its active front-end control, the device is highly efficient and highly reliable. Moreover, the compact size of the converter makes it suitable for use in space-constrained applications.

Working Principle

The PT6512B DC/DC converter works on the principle of DC/DC conversion. It is a full-wave rectifier and synchronous rectifier device that converts an unregulated DC input voltage into a regulated DC output voltage. The converter uses two MOSFETs as switch elements in a series-parallel arrangement to convert the input voltage into an output voltage. This arrangement results in a high efficiency of up to 90% and low output voltage ripple. The PT6512B also features an active front-end circuit to ensure precise regulation of the output voltage. Additionally, the device has a mode control loop to regulate the output voltage in response to changes in the load or input voltage.

In the mode control loop, an internal comparator monitors the output voltage and sends a feedback signal to the switching elements. When the output voltage reaches the targeted value, the switching elements are disabled to prevent further voltage changes. If the output voltage drops below the preset level, the comparator re-applies a pulse width modulation (PWM) signal to the switching elements to increase the output voltage. This active control loop is highly efficient and ensures precise regulation of the output voltage.

The PT6512B DC/DC converter also features synchronous rectification to further improve efficiency. In synchronous rectification, the device uses both MOSFETs in the forward-conducting mode to reduce power losses and power dissipation. The synchronous rectifier control circuit is designed to detect the input voltage and the output voltage, and maintain the output voltage according to the set value. This ensures highly efficient and precise control of the output voltage.

In summary, the PT6512B DC/DC converter offers significant advantages over conventional converters. It features a wide input voltage range, a wide output voltage range, active rectifier circuits, and adjustable output voltage. The device is highly efficient with up to 90% efficiency and low output voltage ripple. Additionally, its active front-end control circuit ensures precise regulation of the output voltage. Furthermore, the device features synchronous rectification for even higher efficiency and improved reliability. With its robust and compact design, this converter is suitable for a wide range of applications across multiple industries.

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

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