規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.925V |
| Voltage - Output (Max) | 16.2V |
| Current - Output | 2A |
| Frequency - Switching | 340kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The AP3502EMTR-G1 is a high-efficiency, step-down DC-DC converter typically used in electronic devices to convert a higher voltage input to a lower voltage output, which is essential for powering various components within a system. Manufactured by Diodes Incorporated, this component features a synchronous rectification design that enhances its efficiency, making it suitable for portable and battery-operated devices. The AP3502EMTR-G1 supports a wide input voltage range and provides a stable output, ensuring reliable performance across different conditions. Its compact size and high switching frequency allow for the use of smaller external components, aiding in space-constrained applications. Additional features include protection mechanisms such as over-current protection, thermal shutdown, and under-voltage lockout, which enhance its durability and reliability. This converter is commonly used in applications such as power management for microcontrollers, FPGAs, and other digital circuits. Its robust design and energy-efficient operation make it an ideal choice for engineers looking to optimize power conversion in various electronic applications.
Equivalent
The AP3502EMTR-G1 is a synchronous buck converter. Equivalent products would include similar DC-DC buck converters from other manufacturers. Some potential alternatives are:
1. TPS54331 by Texas Instruments
2. LM2596 by Texas Instruments
3. MP1584 by Monolithic Power Systems
4. LM2675 by Texas Instruments
5. LT1933 by Analog Devices
When choosing an equivalent, ensure the voltage and current ratings, switching frequency, and package type match your requirements.
1. TPS54331 by Texas Instruments
2. LM2596 by Texas Instruments
3. MP1584 by Monolithic Power Systems
4. LM2675 by Texas Instruments
5. LT1933 by Analog Devices
When choosing an equivalent, ensure the voltage and current ratings, switching frequency, and package type match your requirements.
Features
The AP3502EMTR-G1 is a step-down DC-DC converter designed for power management applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 26V, making it versatile for various power sources.
2. Output Voltage: Capable of providing a fixed output voltage, typically adjustable via external resistors.
3. Output Current: Delivers up to 2A of continuous output current, suitable for moderate power applications.
4. Efficiency: High efficiency across a wide load range, often exceeding 90%, which helps in reducing power losses and improving battery life in portable applications.
5. Switching Frequency: Operates at a fixed frequency, generally around 340kHz, which optimizes size and performance in the power supply design.
6. Protection Features: Includes over-current protection, short-circuit protection, and thermal shutdown to safeguard the device and the overall circuit.
7. Package: Typically available in a compact, thermally efficient package, such as an 8-pin SOIC, suited for space-constrained designs.
This converter is commonly used in consumer electronics, telecommunications, and automotive applications.
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 26V, making it versatile for various power sources.
2. Output Voltage: Capable of providing a fixed output voltage, typically adjustable via external resistors.
3. Output Current: Delivers up to 2A of continuous output current, suitable for moderate power applications.
4. Efficiency: High efficiency across a wide load range, often exceeding 90%, which helps in reducing power losses and improving battery life in portable applications.
5. Switching Frequency: Operates at a fixed frequency, generally around 340kHz, which optimizes size and performance in the power supply design.
6. Protection Features: Includes over-current protection, short-circuit protection, and thermal shutdown to safeguard the device and the overall circuit.
7. Package: Typically available in a compact, thermally efficient package, such as an 8-pin SOIC, suited for space-constrained designs.
This converter is commonly used in consumer electronics, telecommunications, and automotive applications.
Pinout
The AP3502EMTR-G1 is a DC-DC buck converter. It typically comes in an 8-pin package. Here’s a brief overview of its pin functions:
1. VIN: Input Voltage Supply.
2. SW: Switch Node, which connects to the inductor.
3. GND: Ground.
4. FB: Feedback input for voltage regulation.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation pin for stability and transient response.
7. BOOT: Bootstrapped voltage for the high-side driver.
8. VCC: Internal power supply.
This configuration allows it to regulate an input voltage down to a lower output voltage efficiently, suitable for various applications in electronics.
1. VIN: Input Voltage Supply.
2. SW: Switch Node, which connects to the inductor.
3. GND: Ground.
4. FB: Feedback input for voltage regulation.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation pin for stability and transient response.
7. BOOT: Bootstrapped voltage for the high-side driver.
8. VCC: Internal power supply.
This configuration allows it to regulate an input voltage down to a lower output voltage efficiently, suitable for various applications in electronics.
Manufacturer
The AP3502EMTR-G1 is manufactured by Diodes Incorporated. Diodes Incorporated is a global company that specializes in the design, manufacture, and distribution of semiconductor products. The company offers a broad range of discrete, analog, and mixed-signal products, serving diverse applications in the consumer electronics, computing, communications, industrial, and automotive markets. Diodes Incorporated is known for providing high-quality, application-specific standard products tailored to meet the needs of its customers.
Application
The AP3502EMTR-G1 is a DC-DC buck converter designed for efficient power management in various applications. It is commonly used in consumer electronics, telecommunications, and industrial equipment. Its applications include voltage regulation for microprocessors and other digital ICs, powering FPGAs, and offering power solutions in battery-powered devices due to its high efficiency and compact design. The converter's reliability and performance make it suitable for use in mobile devices, computing peripherals, and networking equipment where efficient power conversion is crucial.
Package
The AP3502EMTR-G1 is typically available in an 8-pin exposed pad SOP package, which provides efficient thermal performance and is suitable for surface-mount assembly.
