Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 30V |
| Current - Output | 3A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The RT7272BGSP is a synchronous step-down DC-DC converter, which is used for efficiently converting higher voltage inputs to lower voltage outputs. It is designed for applications that require a compact solution with high efficiency and fast transient response. The device typically operates at a frequency of 500kHz, allowing the use of smaller external components. It supports input voltages ranging from 4.5V to 18V and can deliver output currents up to 2A.
The RT7272BGSP features internal soft-start, over-current protection, and thermal shutdown, ensuring reliable operation under various conditions. Furthermore, it has a built-in high-side MOSFET and a low-side synchronous rectifier, which enhance its efficiency and reduce the need for external components. The device comes in a compact package, making it suitable for space-constrained applications such as portable electronics, set-top boxes, and industrial equipment.
Overall, the RT7272BGSP is an attractive option for designers seeking a reliable and efficient step-down converter for their power management needs.
The RT7272BGSP features internal soft-start, over-current protection, and thermal shutdown, ensuring reliable operation under various conditions. Furthermore, it has a built-in high-side MOSFET and a low-side synchronous rectifier, which enhance its efficiency and reduce the need for external components. The device comes in a compact package, making it suitable for space-constrained applications such as portable electronics, set-top boxes, and industrial equipment.
Overall, the RT7272BGSP is an attractive option for designers seeking a reliable and efficient step-down converter for their power management needs.
Equivalent
The RT7272BGSP is a step-down converter chip by Richtek. Equivalent products from other manufacturers include:
1. TI TPS54331 – A 3A, 28V step-down converter.
2. ON Semiconductor NCP1117 – A popular LDO voltage regulator (note: check specs carefully for exact match).
3. Microchip MCP16301 – A 3A, 30V synchronous buck converter.
4. LM2596 by Texas Instruments – A 3A, 40V step-down voltage regulator.
Ensure to compare specific electrical characteristics and pin compatibility when choosing an equivalent.
1. TI TPS54331 – A 3A, 28V step-down converter.
2. ON Semiconductor NCP1117 – A popular LDO voltage regulator (note: check specs carefully for exact match).
3. Microchip MCP16301 – A 3A, 30V synchronous buck converter.
4. LM2596 by Texas Instruments – A 3A, 40V step-down voltage regulator.
Ensure to compare specific electrical characteristics and pin compatibility when choosing an equivalent.
Features
The RT7272BGSP is a high-efficiency, synchronous step-down DC-DC converter. It is designed to deliver output currents up to 2A, making it suitable for a variety of applications. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 4.5V to 18V, accommodating various power sources.
2. Adjustable Output Voltage: The output voltage can be fine-tuned from 0.8V to 15V using external resistors.
3. High Efficiency: With a typical efficiency of up to 95%, it minimizes power loss and heat generation.
4. Fast Transient Response: The converter provides quick response to load changes, maintaining stable output.
5. Protection Features: It includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability.
6. Fixed Frequency Operation: Operates at a switching frequency of 500kHz, reducing the size of external components and electromagnetic interference (EMI).
7. Compact Package: Available in a thermally efficient, small footprint package, ideal for space-constrained designs.
These features make the RT7272BGSP suitable for a wide variety of applications, including consumer electronics, industrial equipment, and telecom systems.
1. Wide Input Voltage Range: It supports an input voltage range from 4.5V to 18V, accommodating various power sources.
2. Adjustable Output Voltage: The output voltage can be fine-tuned from 0.8V to 15V using external resistors.
3. High Efficiency: With a typical efficiency of up to 95%, it minimizes power loss and heat generation.
4. Fast Transient Response: The converter provides quick response to load changes, maintaining stable output.
5. Protection Features: It includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability.
6. Fixed Frequency Operation: Operates at a switching frequency of 500kHz, reducing the size of external components and electromagnetic interference (EMI).
7. Compact Package: Available in a thermally efficient, small footprint package, ideal for space-constrained designs.
These features make the RT7272BGSP suitable for a wide variety of applications, including consumer electronics, industrial equipment, and telecom systems.
Pinout
The RT7272BGSP is a synchronous step-down converter. It is designed to provide a high efficiency and compact solution for applications requiring a step-down converter. The RT7272BGSP typically comes in a SOP-8 package with an Exposed Pad (SOP-8EP), providing enhanced thermal performance.
The pin count for the RT7272BGSP is 8. Each pin serves a specific function:
1. BOOT: Provides the gate drive voltage for the high-side MOSFET.
2. VIN: Input voltage supply pin.
3. SW: Switch node, connected to the inductor.
4. GND: Ground pin.
5. FB: Feedback pin for voltage regulation.
6. COMP: Compensation pin for external compensation network.
7. EN: Enable pin to turn the device on or off.
8. NC: No connection.
The RT7272BGSP is typically used in applications requiring efficient voltage regulation in a compact form factor, such as point-of-load converters, distributed power systems, and portable devices. Its features include high efficiency, fast transient response, and a wide input voltage range.
The pin count for the RT7272BGSP is 8. Each pin serves a specific function:
1. BOOT: Provides the gate drive voltage for the high-side MOSFET.
2. VIN: Input voltage supply pin.
3. SW: Switch node, connected to the inductor.
4. GND: Ground pin.
5. FB: Feedback pin for voltage regulation.
6. COMP: Compensation pin for external compensation network.
7. EN: Enable pin to turn the device on or off.
8. NC: No connection.
The RT7272BGSP is typically used in applications requiring efficient voltage regulation in a compact form factor, such as point-of-load converters, distributed power systems, and portable devices. Its features include high efficiency, fast transient response, and a wide input voltage range.
Manufacturer
The RT7272BGSP is manufactured by Richtek Technology Corporation. Richtek is a semiconductor company that specializes in providing power management integrated circuits (ICs). They are known for their innovative solutions in power management, including DC-DC converters, battery management systems, and LED drivers. Richtek serves a variety of markets, including consumer electronics, computing, communication, and industrial applications. Their products are widely used in devices that require efficient power management solutions.
Application
The RT7272BGSP is a DC-DC buck converter used primarily in applications requiring efficient power management. Its application areas include:
1. Consumer Electronics: Used in devices like smartphones and tablets for efficient power conversion and battery management.
2. Computer Systems: Powers components in laptops, desktops, and servers, enhancing energy efficiency.
3. Telecommunications: Supports power supplies for networking equipment.
4. Industrial Automation: Provides reliable power in automation systems and machinery.
5. Automotive Electronics: Used in advanced driver-assistance systems (ADAS) and infotainment systems.
Its efficiency and reliability make it suitable for any application needing regulated power with minimal heat generation.
1. Consumer Electronics: Used in devices like smartphones and tablets for efficient power conversion and battery management.
2. Computer Systems: Powers components in laptops, desktops, and servers, enhancing energy efficiency.
3. Telecommunications: Supports power supplies for networking equipment.
4. Industrial Automation: Provides reliable power in automation systems and machinery.
5. Automotive Electronics: Used in advanced driver-assistance systems (ADAS) and infotainment systems.
Its efficiency and reliability make it suitable for any application needing regulated power with minimal heat generation.
Package
The RT7272BGSP is typically available in a SOP-8 (Small Outline Package) format. This type of package is commonly used for surface mounting on PCBs and is suitable for compact electronic applications.
