
Allicdata Part #: | PT5111L-ND |
Manufacturer Part#: |
PT5111L |
Price: | $ 0.00 |
Product Category: | Power Supplies - Board Mount |
Manufacturer: | Texas Instruments |
Short Description: | DC DC CONVERTER 10V 10W |
More Detail: | Linear Regulator Replacement DC DC Converter 1 Out... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Current - Output (Max): | 1A |
Base Part Number: | PT5111 |
Size / Dimension: | 1.02" L x 1.00" W x 0.38" H (25.9mm x 25.4mm x 9.7mm) |
Package / Case: | 3-SMD Module |
Mounting Type: | Surface Mount |
Efficiency: | 92% |
Operating Temperature: | -40°C ~ 85°C |
Features: | OCP, OTP |
Applications: | ITE (Commercial) |
Power (Watts): | 10W |
Series: | PT5100 |
Voltage - Output 3: | -- |
Voltage - Output 2: | -- |
Voltage - Output 1: | 10V |
Voltage - Input (Max): | 38V |
Voltage - Input (Min): | 14V |
Number of Outputs: | 1 |
Type: | Linear Regulator Replacement |
Part Status: | Obsolete |
Packaging: | Tray |
Description
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DC-DC Converters
DC-DC converters are devices that convert lower direct current (DC) input power into higher DC output power levels, for industrial applications. In a DC-DC converter, a power regulator transforms the input DC voltage into the desired output voltage. The PT5111L DC-DC converter is a non-isolated step-down switching regulator, designed for automotive, industrial, and renewable energy applications. It has several advantages over traditional switching regulator solutions, such as significantly higher efficiency, smaller size, and better thermal performance.
The PT5111L DC-DC converter is designed with a synchronous rectifier for high frequency operation, and a wide input voltage range for various applications. It was specifically designed to operate in a wide temperature range, from -40°C to +85°C. The PT5111L converter features a high voltage-to-power conversion efficiency, and provides a constant output voltage with load and line regulations better than 0.5%. It also includes an integrated power switch, enable pin, and adjustable switching frequency for tuning the system. It is designed to allow dynamic current optimization, and can be programmed to achieve any desired transformer current. This helps with power efficiency, system cost reduction, and system noise reduction. The additional output current limit feature provides enhanced protection to the system.
The PT5111L DC-DC converter also includes several additional features that make it ideal for industrial applications. It has an advanced protection system, which includes input under and over voltage protection, output under and over voltage protection, output short circuit protection, and over-temperature protection. It has an output current monitor to detect a current overload condition and an external temperature monitor to detect an over-temperature condition. It also has a high noise immunity feature, which helps reduce system noise to a minimum. There is also a dual-mode frequency jittering feature that allows the converter to reduce switching noise.
The PT5111L DC-DC converter’s working principle is based on the buck-boost converter topology, which can operate in either step-down or step-up mode. It is controlled using a PWM controller with an input voltage feedback loop to regulate the output voltage. At the start of each switching cycle, the PWM controller instructs the power switch to turn off, allowing the inductor to store energy. When the power switch turns on, the energy stored in the inductor is discharged to the output capacitor, providing a constant output voltage. During the cycle, the controller adjusts the power switch on and off times to control the output voltage, and to compensate for load changes or voltage variations. The output voltage is continuously monitored and adjusted to maintain a constant output voltage level. In this way, the PT5111L converter provides a highly efficient, smooth, and adjustable output voltage.
Conclusion
The PT5111L DC-DC converter is a highly efficient, smooth, and adjustable power conversion solution designed for industrial and automotive applications. It features high voltage-to-power conversion efficiency, wide operating temperature range, and advanced protection system. It has adjustable switching frequency and high noise immunity feature for noise reduction. The converter can significantly improve efficiency and reduce system cost while providing robust and reliable performance.
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