
Allicdata Part #: | PT4476A-ND |
Manufacturer Part#: |
PT4476A |
Price: | $ 0.00 |
Product Category: | Power Supplies - Board Mount |
Manufacturer: | Texas Instruments |
Short Description: | DC DC CONVERTER 17.5V 100W |
More Detail: | Isolated Module DC DC Converter 1 Output 17.5V ... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Power (Watts): | 100W |
Base Part Number: | PT4476 |
Control Features: | Enable, Active Low |
Size / Dimension: | 3.61" L x 1.62" W x 0.50" H (91.7mm x 41.1mm x 12.7mm) |
Package / Case: | 26-SIP Module |
Mounting Type: | Through Hole, Right Angle |
Efficiency: | 89% |
Operating Temperature: | -40°C ~ 100°C |
Features: | Remote On/Off, OCP, OTP, OVP, UVLO |
Applications: | ITE (Commercial) |
Voltage - Isolation: | 1.5kV |
Series: | Excalibur™ PT4476 |
Current - Output (Max): | 8.5A |
Voltage - Output 3: | -- |
Voltage - Output 2: | -- |
Voltage - Output 1: | 17.5V |
Voltage - Input (Max): | 36V |
Voltage - Input (Min): | 18V |
Number of Outputs: | 1 |
Type: | Isolated Module |
Part Status: | Obsolete |
Packaging: | Tray |
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DC to DC converters are a type of electronic circuit that converts direct current from one voltage level to another. The PT4476A is a low cost, low-power, dual-channel DC/DC converter that includes adjustable output voltage and overvoltage protection features. Designed with advanced automotive requirements in mind, the PT4476A is ideal for many applications including automotive, industrial, and consumer.
The PT4476A operates on a wide input voltage range of 4.5-14V and provides an adjustable output of 4.5-14V. It consists of two synchronous DC to DC converters that provide a regulated output voltage with low ripple and transient response. The output voltage can be programmed by using external resistors and each converter is capable of providing up to 2.5A of output current.
The PT4476A is also equipped with overvoltage protection (OVP), undervoltage lockout (UVLO), programmable soft start, input current limit, and thermal protection features. These features can be used to provide protection against overload conditions and minimize inrush current and voltage transients. The device also includes an adjustable overvoltage protection circuit which ensures that the output voltage remains within the specified range.
The PT4476A is suitable for many system designs including automotive, industrial, and consumer. It can be used in automotive applications such as DC-DC converters for providing power to electronic components and stabilizing the vehicle’s voltage. The PT4476A can also be used in industrial systems for providing power to motors, sensors, and actuators. In consumer applications, the PT4476A can be used for providing power to devices such as smartphones, tablets, and portable electronics.
The PT4476A operates on a simple circuit of two power MOSFETs, two synchronous DC/DC converters, and an integrated circuit responsible for controlling the power stages. When the power voltage is applied, the integrated circuit turns on the two power FETs in a switching sequence with a certain duty cycle. This creates a PWM waveform which is further amplified by the power MOSFETs to provide the appropriate power to the load.
The PT4476A also includes protection features such as programmable soft start, input current limit, and OVP and UVLO. Soft start reduces the inrush current when the device is powered up, while the input current limit protects the device from overcurrent conditions. The OVP and UVLO ensure that the output voltage remains within the pre-set levels.
Overall, the PT4476A is a low cost, low-power, dual-channel DC/DC converter with adjustable output voltage and overvoltage protection features. It can be used for providing power to automotive, industrial, and consumer applications. Its simple circuit, protection features, and wide input voltage range make it ideal for many uses.
The specific data is subject to PDF, and the above content is for reference
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