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TPS54335DDAR
IC REG BUCK ADJ 3A 8SOPWR
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規格
| Series | SWIFT™ |
| 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) | 28V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 25V |
| Current - Output | 3A |
| Frequency - Switching | 50kHz ~ 1.5MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO PowerPad |
| Base Product Number | TPS54335 |
概述
Description
The TPS54335DDAR is a DC-DC buck converter from Texas Instruments, designed to provide efficient power management for low-voltage, high-current applications. It operates with a wide input voltage range of 4.5V to 28V and can deliver an output current of up to 3A, making it suitable for various electronic devices and systems.
Key features include high efficiency (up to 95%), a fixed frequency of 570 kHz for minimized electromagnetic interference, and a soft-start feature to limit inrush current during startup. It incorporates an adjustable output voltage, allowing users to set desired voltage levels through an external resistor divider network.
The TPS54335DDAR also includes integrated protection mechanisms, such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under different conditions. The device is available in a thermally-enhanced, space-saving 8-pin SO PowerPAD™ package.
Its robust performance, compact size, and protection features make it ideal for applications like consumer electronics, industrial automation, and telecommunications equipment, where efficient power conversion and management are critical.
Key features include high efficiency (up to 95%), a fixed frequency of 570 kHz for minimized electromagnetic interference, and a soft-start feature to limit inrush current during startup. It incorporates an adjustable output voltage, allowing users to set desired voltage levels through an external resistor divider network.
The TPS54335DDAR also includes integrated protection mechanisms, such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under different conditions. The device is available in a thermally-enhanced, space-saving 8-pin SO PowerPAD™ package.
Its robust performance, compact size, and protection features make it ideal for applications like consumer electronics, industrial automation, and telecommunications equipment, where efficient power conversion and management are critical.
Features
The TPS54335DDAR is a step-down converter in the TPS54335 series from Texas Instruments, designed for efficient power management solutions. Key features include:
1. Wide Input Voltage Range: Supports 4.5 V to 28 V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3 A continuous output current.
3. Efficiency: Achieves high efficiency at light and heavy loads due to low RDS(on) MOSFET.
4. Adjustable Output Voltage: Provides flexibility with an output range from 0.8 V to 25 V.
5. Switching Frequency: Operates at a 700 kHz fixed frequency, balancing efficiency and component size.
6. Soft Start and Tracking: Incorporates an adjustable soft start and tracking for precise control.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
8. Thermal Performance: Available in a thermally enhanced 8-pin SO PowerPAD™ package for better heat dissipation.
These features make the TPS54335DDAR suitable for applications such as consumer electronics, telecom, and industrial automation, where efficient power conversion is essential.
1. Wide Input Voltage Range: Supports 4.5 V to 28 V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3 A continuous output current.
3. Efficiency: Achieves high efficiency at light and heavy loads due to low RDS(on) MOSFET.
4. Adjustable Output Voltage: Provides flexibility with an output range from 0.8 V to 25 V.
5. Switching Frequency: Operates at a 700 kHz fixed frequency, balancing efficiency and component size.
6. Soft Start and Tracking: Incorporates an adjustable soft start and tracking for precise control.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
8. Thermal Performance: Available in a thermally enhanced 8-pin SO PowerPAD™ package for better heat dissipation.
These features make the TPS54335DDAR suitable for applications such as consumer electronics, telecom, and industrial automation, where efficient power conversion is essential.
Package
The TPS54335DDAR is a DC-DC converter integrated circuit from Texas Instruments. It comes in a 10-pin PowerPAD™ SOIC (Small Outline Integrated Circuit) package, designated as "DDA." This package type features a thermally enhanced design to improve heat dissipation, making it suitable for applications requiring efficient power management in compact spaces.
Pinout
The TPS54335DDAR is a DC-DC buck converter from Texas Instruments, typically used in power management applications. It is available in an 8-pin SO PowerPAD package. The functions of the pins are as follows:
1. BOOT: Connects to a bootstrap capacitor for high-side FET gate drive.
2. VIN: Input voltage supply pin.
3. EN (Enable): Turns the device on or off.
4. SS/TR (Soft Start/Tracking): Sets the soft-start timing or tracking function.
5. COMP (Compensation): Connects to the output of the error amplifier for loop compensation.
6. GND: Ground connection.
7. SW (Switch): The switch node pin, connected to the output inductor.
8. FB (Feedback): Connects to the output voltage divider to set the output voltage.
This combination allows the TPS54335DDAR to efficiently manage power conversion from a higher input voltage to a lower output voltage, with features like adjustable soft start and precise output voltage regulation.
1. BOOT: Connects to a bootstrap capacitor for high-side FET gate drive.
2. VIN: Input voltage supply pin.
3. EN (Enable): Turns the device on or off.
4. SS/TR (Soft Start/Tracking): Sets the soft-start timing or tracking function.
5. COMP (Compensation): Connects to the output of the error amplifier for loop compensation.
6. GND: Ground connection.
7. SW (Switch): The switch node pin, connected to the output inductor.
8. FB (Feedback): Connects to the output voltage divider to set the output voltage.
This combination allows the TPS54335DDAR to efficiently manage power conversion from a higher input voltage to a lower output voltage, with features like adjustable soft start and precise output voltage regulation.
Manufacturer
The TPS54335DDAR is manufactured by Texas Instruments Incorporated. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company's products are used in a broad range of electronic devices and systems, including consumer electronics, industrial equipment, automotive systems, and more. TI is known for its significant contributions to the development of innovative electronic components and solutions, making it a leader in the semiconductor industry.
Application
The TPS54335DDAR is a step-down DC-DC converter designed for applications requiring efficient voltage regulation. Its application areas include telecommunications, networking equipment, and industrial power systems. It is also used in consumer electronics for power management, automotive systems for battery-powered devices, and distributed power architectures. The device is suitable for applications needing high-performance power conversion with wide input voltage ranges and low output voltages.
Equivalent
Equivalent products to the TPS54335DDAR chip are DC-DC buck converters with similar specifications. Some alternatives include:
1. LMR16006 - by Texas Instruments, suitable for similar power applications.
2. MP1584EN - by Monolithic Power Systems, offers comparable efficiency and size.
3. AP3211 - by Diodes Incorporated, suitable for low-cost applications.
4. LT8608 - by Analog Devices, providing similar input voltage range and output capability.
Always verify specific application requirements and electrical characteristics when considering alternatives.
1. LMR16006 - by Texas Instruments, suitable for similar power applications.
2. MP1584EN - by Monolithic Power Systems, offers comparable efficiency and size.
3. AP3211 - by Diodes Incorporated, suitable for low-cost applications.
4. LT8608 - by Analog Devices, providing similar input voltage range and output capability.
Always verify specific application requirements and electrical characteristics when considering alternatives.
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