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TPS56339DDCR
+BOMPWR MGMT SPECIALIZED REGULATOR
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPS56339DDCR
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 24V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 16V |
| Current-Output | 3A |
| Frequency-Switching | 500kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
Tổng quan
Description
The TPS56339DDCR is a high-efficiency synchronous buck converter designed by Texas Instruments. It is part of the TPS56339 series, which is tailored for applications requiring efficient step-down voltage conversion. This device operates with an input voltage range of 4.5V to 28V, making it suitable for various power supply applications in industrial and consumer electronics.
Key features of the TPS56339DDCR include a fixed output voltage of 3.3V or adjustable between 0.8V to 5.5V, a maximum output current of 3A, and a high switching frequency of 600 kHz, which allows for smaller external components and reduced overall solution size. It offers high efficiency through its synchronous rectification design, and it includes built-in protections such as over-current protection, thermal shutdown, and over-voltage protection to ensure reliable operation.
Additionally, the TPS56339DDCR comes in a space-saving SOIC-8 package with PowerPAD, enhancing its thermal performance. This makes it ideal for applications such as distributed power systems, networking devices, and consumer electronics that require efficient power management.
Key features of the TPS56339DDCR include a fixed output voltage of 3.3V or adjustable between 0.8V to 5.5V, a maximum output current of 3A, and a high switching frequency of 600 kHz, which allows for smaller external components and reduced overall solution size. It offers high efficiency through its synchronous rectification design, and it includes built-in protections such as over-current protection, thermal shutdown, and over-voltage protection to ensure reliable operation.
Additionally, the TPS56339DDCR comes in a space-saving SOIC-8 package with PowerPAD, enhancing its thermal performance. This makes it ideal for applications such as distributed power systems, networking devices, and consumer electronics that require efficient power management.
Equivalent
The TPS56339DDCR is a DC-DC buck converter from Texas Instruments. Equivalent products might include:
1. LM2596 from Texas Instruments
2. MP1584 from Monolithic Power Systems
3. LMR33630 from Texas Instruments
4. AP1509 from Diodes Incorporated
When selecting an equivalent, ensure it matches the TPS56339DDCR’s voltage, current specifications, and package type. Always verify with the manufacturer's datasheets.
1. LM2596 from Texas Instruments
2. MP1584 from Monolithic Power Systems
3. LMR33630 from Texas Instruments
4. AP1509 from Diodes Incorporated
When selecting an equivalent, ensure it matches the TPS56339DDCR’s voltage, current specifications, and package type. Always verify with the manufacturer's datasheets.
Features
The TPS56339DDCR is a high-efficiency synchronous buck converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: Operates with an input voltage range from 4.5V to 17V, suitable for a variety of applications.
2. Output Current: Supports up to 3A continuous output current, making it versatile for powering various loads.
3. Switching Frequency: Offers a fixed switching frequency of 600 kHz, balancing efficiency and component size.
4. Efficiency: High efficiency up to 95%, achieved through synchronous rectification.
5. Low RDS(on): Features low MOSFET on-resistance for reduced conduction losses.
6. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
7. Cycle-by-Cycle Current Limit: Protects the device and load from overcurrent conditions.
8. Soft Start: Built-in soft-start functionality to minimize inrush current during power-up.
9. Compact Package: Available in a small 8-pin SOIC package, aiding in space-constrained designs.
10. Applications: Ideal for use in distributed power systems, digital TV power supplies, routers, and other consumer electronics.
This combination of features makes the TPS56339DDCR suitable for a variety of power supply applications requiring compact size and high efficiency.
1. Input Voltage Range: Operates with an input voltage range from 4.5V to 17V, suitable for a variety of applications.
2. Output Current: Supports up to 3A continuous output current, making it versatile for powering various loads.
3. Switching Frequency: Offers a fixed switching frequency of 600 kHz, balancing efficiency and component size.
4. Efficiency: High efficiency up to 95%, achieved through synchronous rectification.
5. Low RDS(on): Features low MOSFET on-resistance for reduced conduction losses.
6. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
7. Cycle-by-Cycle Current Limit: Protects the device and load from overcurrent conditions.
8. Soft Start: Built-in soft-start functionality to minimize inrush current during power-up.
9. Compact Package: Available in a small 8-pin SOIC package, aiding in space-constrained designs.
10. Applications: Ideal for use in distributed power systems, digital TV power supplies, routers, and other consumer electronics.
This combination of features makes the TPS56339DDCR suitable for a variety of power supply applications requiring compact size and high efficiency.
Pinout
The TPS56339DDCR is a DC-DC buck converter integrated circuit (IC) manufactured by Texas Instruments. It comes in an 8-pin package. Here is a brief description of its pin functions:
1. VIN (Pin 1): Input voltage supply pin.
2. EN (Pin 2): Enable pin for the device. It turns the converter on or off.
3. FB (Pin 3): Feedback pin used to set the output voltage via a resistive divider.
4. GND (Pin 4): Ground pin for the IC.
5. SW (Pin 5): Switch pin connected to the inductor.
6. VREG5 (Pin 6): Internal 5V regulator output. Typically used for the internal circuit and not for external use.
7. SS/TR (Pin 7): Soft-start and tracking pin to control the output voltage ramp rate during startup.
8. BOOT (Pin 8): Bootstrap capacitor connection for driving the high-side FET.
These pins collectively enable the TPS56339 to efficiently step down high input voltages to lower output voltages for various applications.
1. VIN (Pin 1): Input voltage supply pin.
2. EN (Pin 2): Enable pin for the device. It turns the converter on or off.
3. FB (Pin 3): Feedback pin used to set the output voltage via a resistive divider.
4. GND (Pin 4): Ground pin for the IC.
5. SW (Pin 5): Switch pin connected to the inductor.
6. VREG5 (Pin 6): Internal 5V regulator output. Typically used for the internal circuit and not for external use.
7. SS/TR (Pin 7): Soft-start and tracking pin to control the output voltage ramp rate during startup.
8. BOOT (Pin 8): Bootstrap capacitor connection for driving the high-side FET.
These pins collectively enable the TPS56339 to efficiently step down high input voltages to lower output voltages for various applications.
Manufacturer
The TPS56339DDCR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and produces semiconductors and various integrated circuits. They are one of the largest semiconductor companies in the world and primarily focus on developing analog chips and embedded processors, which are essential components in a wide range of electronic devices. TI's products are used in applications such as consumer electronics, automotive systems, industrial equipment, and more. The company is known for its innovation and significant contributions to the electronics industry.
Application
The TPS56339DDCR is a step-down (buck) converter primarily used in applications requiring efficient power management. Its application areas include:
1. Consumer Electronics: Used in devices like TVs, set-top boxes, and home audio systems to manage power efficiently.
2. Industrial Equipment: Powers microcontrollers and other digital components in industrial control systems.
3. Telecommunications: Supports infrastructure equipment by providing stable power to various network components.
4. Computing: Utilized in desktop PCs, servers, and workstations for power regulation of processors and memory modules.
5. Automotive: Supports infotainment systems and advanced driver-assistance systems (ADAS) by providing reliable power supply continuity.
These areas benefit from its compact size, high efficiency, and reliability.
1. Consumer Electronics: Used in devices like TVs, set-top boxes, and home audio systems to manage power efficiently.
2. Industrial Equipment: Powers microcontrollers and other digital components in industrial control systems.
3. Telecommunications: Supports infrastructure equipment by providing stable power to various network components.
4. Computing: Utilized in desktop PCs, servers, and workstations for power regulation of processors and memory modules.
5. Automotive: Supports infotainment systems and advanced driver-assistance systems (ADAS) by providing reliable power supply continuity.
These areas benefit from its compact size, high efficiency, and reliability.
Package
The TPS56339DDCR is a DC-DC buck converter from Texas Instruments. Its package type is a Small Outline Transistor (SOT) with a 6-pin configuration, commonly referred to as SOT-563. This package is compact, making it suitable for space-constrained applications.
