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Name: PTH08T231WAD
Brand: Texas Instruments
SKU: PTH08T231WAD
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments PTH08T231WAD

Part No.:: PTH08T231WAD

Manufacturer:: Texas Instruments

Package:: 10-DIP Module

Datasheet:: PTH08T231WAD.pdf

Description:: DC DC CONVERTER 0.69-5.5V

In Stock:: 313

Quantity:: Add To Cart

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PTH08T231WAD Typical application Circuitry

PTH08T231WAD

The PTH08T231WAD is a high-efficiency, adjustable output voltage, integrated switch, step-down (buck) regulator from Texas Instruments. It's designed to be used in a variety of applications where efficient down-conversion of voltage is necessary, such as in computing, telecommunications, and industrial systems.

Important Characteristics of PTH08T231WAD:

- Broad Input Voltage Range: This power supply compatible device can run on input voltages ranging from 4.5V to 14V.

- High Efficiency: With a maximum efficiency of 95%, this regulator helps reduce heat generation and energy loss in various applications.

- Adjustable Output Voltage: With a range of applications in powering various components, the output voltage may be varied from 0.7V to 5.5V.

- Integrated Switch: The integration of the switch within the device simplifies the circuit design and reduces external component count.

- Thermal Protection: It includes thermal shutdown protection, safeguarding the device and the overall circuit from overheating.

Applications

The PTH08T231WAD's versatility in handling different input and output voltages makes it suitable for a range of applications, including but not limited to:

- Power supplies for FPGA and microprocessor applications

- Telecommunications equipment

- Networking hardware

- Industrial systems

Example Circuit: FPGA Power Supply

In this scenario, we'll outline the use of the PTH08T231WAD in an FPGA power supply circuit. FPGA circuits require stable and efficient power supplies, making the PTH08T231WAD an ideal choice due to its efficiency and adjustable output.

Input Capacitor Connection

- Minimizing Input Ripple: Connect a high-quality ceramic capacitor (e.g., 10 µF) close to the PTH08T231WAD's VIN and GND pins (pins 1 and 11, respectively) to minimize input ripple.

Setting Output Voltage

- Adjustable Output: Use a resistor divider from the output (pin 5) to the feedback (FB, pin 7) pin to set the desired output voltage. Using the formula given in the datasheet, the output voltage is calculated using the resistor values.

Output Capacitor Selection

- Stability and Ripple Reduction: Connect a low-ESR capacitor (e.g., 22 µF) between the output (pin 5) and ground to ensure stability and reduce output voltage ripple.

Thermal Management

- Heat Dissipation: Ensure proper heat dissipation by placing the PTH08T231WAD on a PCB with adequate copper area for thermal spreading, considering its thermal performance metrics.

Enable Pin Configuration

- Power Sequencing: The Enable (EN, pin 8) can be connected to a logic-high signal or to an output of another regulator for power sequencing purposes.

Design Considerations

When designing a circuit with the PTH08T231WAD, consider the following:

- Load Requirements: Ensure the chosen output capacitors meet the transient response requirements of the load, particularly for sensitive applications like FPGAs.

- PCB Layout: Optimizing efficiency and reducing interference and voltage drops require a carefully considered PCB layout.

- Thermal Management: Adequate thermal management is essential for maintaining performance and reliability, especially under high load conditions.

In summary, the PTH08T231WAD is a versatile, efficient, and reliable buck regulator suitable for a wide range of applications, including sensitive FPGA power supplies. By adhering to the detailed connection guidance and considering key design aspects, engineers can effectively leverage this component in their designs.

PTH08T231WAD information

PTH08T231WAD Specifications

Package/Case:
10-DIP Module
Packaging:
Tray
Series:
PTH08T231W
ProductStatus:
Active
Type:
Non-Isolated PoL Module
NumberofOutputs:
1
Voltage-Input(Min):
4.5V
Voltage-Input(Max):
14V
Voltage-Output1:
0.69 ~ 5.5V
Voltage-Output2:
-
Voltage-Output3:
-
Voltage-Output4:
-
Current-Output(Max):
6A
Power(Watts):
-
Voltage-Isolation:
-
Applications:
ITE (Commercial)
Features:
-
OperatingTemperature:
-40°C ~ 85°C
Efficiency:
95%
MountingType:
Through Hole
Size/Dimension:
0.75 L x 0.62 W x 0.34 H (19.1mm x 15.7mm x 8.6mm)
ControlFeatures:
ApprovalAgency:

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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