DPA426R
Ideal for wide input voltage rangeDPA426R
Ideal for wide input voltage range
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Manufacturer Part # : DPA426R
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Package/Case: TO263-7
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Brand: Power Integrations
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Product Categories : Special Purpose Regulators
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Series : DPA426
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DPA426R DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $3.794 | $3.79 |
200 | $1.469 | $293.80 |
500 | $1.416 | $708.00 |
1000 | $1.391 | $1,391.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Interested Parts
DPA426R Details
The DPA426R is a high-performance voltage regulator IC from Power Integrations, designed for power over Ethernet (PoE) and telecom applications. This device features a 1-output TO-263-7 package, making it suitable for compact circuit designs. The DPA-Switch Converter provides reliable voltage regulation with high efficiency and low noise.
Pinout
- Pin 1: VCC: Positive Power Supply
- Pin 2: GND: Ground
- Pin 3: A/B: Non-inverting Receiver Input/Driver Output (A) and Inverting Receiver Input/Driver Output (B)
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- High Efficiency: The DPA426R features high efficiency and low noise, making it suitable for power-sensitive applications.
- Compact Package: The TO-263-7 package is compact and lightweight, ideal for space-constrained designs.
- Wide Operating Range: The device operates over a wide temperature range from -40°C to +125°C, ensuring reliable operation in various environments.
Applications
- Industrial Automation: The DPA426R is suitable for industrial automation applications where high efficiency and reliability are critical.
- Oil and Gas Industry: It can be used in oil and gas industry applications where power over Ethernet (PoE) and telecom requirements are necessary.
Where to Use
The DPA426R is designed for use in a variety of applications, including industrial automation, oil and gas industry, and telecom. It can be used in devices such as PoE-powered cameras, sensors, and other equipment.
How to Use
To use the DPA426R, connect the VCC pin to a suitable power supply, the GND pin to ground, and the A/B pins to the respective input/output lines. Ensure proper connections for reliable operation.
Application Circuit
The application circuit diagram for the DPA426R illustrates how to connect the device to a power over Ethernet (PoE) bus. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable voltage regulation.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- LTC2978-1: A similar voltage regulator IC from Linear Technology offering comparable features and performance.
Complementary
The DPA426R can be complemented by other Power Integrations devices, such as the PI84C or PI95L, which offer additional features and functionality for specific applications.
When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.
Frequently Asked Questions
Q: What is the maximum output current of the DPA426R?
A: The DPA426R has a maximum output current of 1.5A, making it suitable for powering devices such as cameras and sensors.
Q: Can the DPA426R be used in telecom applications?
A: Yes, the DPA426R is designed for use in telecom applications where high efficiency and reliability are critical. It can be used in devices such as PoE-powered routers and switches.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | Isolated DC/DC Converters - SMD | RoHS | N |
Mounting Style | SMD/SMT | Number of Outputs | 1 Output |
Output Power ! | 100 W | Input Voltage, Min | 16 V |
Input Voltage, Max | 75 V | Output Voltage-Channel 1 | 16 V |
Output Current-Channel 1 | 5.4 mA | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 150 C | Package / Case | TO-263-7 |
Length | 10.54 mm | Width | 8.53 mm |
Height | 4.7 mm | Product | Isolated |
Series | DPA4 | Brand | Power Integrations |
Input Voltage | 16 V to 75 V | Moisture Sensitive | Yes |
Product Type ! | Isolated DC-DC Converters | Factory Pack Quantity | 50 |
Subcategory | DC-DC Converter | Tradename | DPA-Switch |
Unit Weight | 0.125084 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is DPA426R?
The DPA426R is a quad, low-power, precision, CMOS operational amplifier designed by Diodes Incorporated. It is ideal for applications requiring low voltage operation, precision amplification, and low input bias current, such as industrial instrumentation, sensor interfaces, and data acquisition systems.
How Does DPA426R Work?
The DPA426R operates as a precision operational amplifier with low offset voltage and low input bias current. It amplifies input signals with high accuracy and stability, making it suitable for precision measurement and signal conditioning applications. The amplifier features rail-to-rail input and output, ensuring maximum signal swing even at low supply voltages.
How Many Pins does DPA426R have and What are the Functions of the Pinout Configuration?
The DPA426R is housed in a 14-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Negative power supply pin.
- IN1+, IN1-, OUT1: Pins for channel 1 input and output.
- IN2+, IN2-, OUT2: Pins for channel 2 input and output.
- IN3+, IN3-, OUT3: Pins for channel 3 input and output.
- IN4+, IN4-, OUT4: Pins for channel 4 input and output.
What are the Pros and Cons of DPA426R?
Pros:
- Low Power Consumption: Operates with very low power, making it ideal for battery-operated devices.
- Precision: Provides low offset voltage and low drift, ensuring accurate signal amplifications.
- Rail-to-Rail Input and Output: Maximizes signal swing, enhancing dynamic range.
- Low Input Bias Current: Suitable for applications requiring high input impedance.
- Quad Channel: Provides four precision amplifiers in a single package, reducing board space and cost.
Cons:
- Limited Bandwidth: May not be suitable for high-frequency applications.
- External Components: May require additional external components for optimal performance in certain applications.
- Package Handling: The 14-pin TSSOP package may be challenging to handle without appropriate equipment.
Are There Any Equivalents/Alternatives to DPA426R for Recommendation?
- The equivalent part to the DPA426R is the TC75S67TU from Toshiba.
- Alternatives to the DPA426R include the MCP6274 from Microchip Technology and the MAX44250 from Maxim Integrated.
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Price details
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