仕様
| 属性 | 値 |
| Package / Case | Tube |
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.25V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 6A |
| Frequency - Switching | 300kHz ~ 4MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The LTC3616IUDD is a high-efficiency, monolithic synchronous step-down DC/DC converter designed by Analog Devices (formerly Linear Technology). It is capable of delivering up to 4A of output current and operates from an input voltage range of 2.25V to 5.5V, making it suitable for a variety of point-of-load applications. The LTC3616 features a constant-frequency, current-mode architecture that provides fast transient response and excellent loop stability.
Key features include selectable fixed-frequency operation at 2.25MHz, allowing the use of small inductors and capacitors, and Burst Mode operation for high efficiency at light loads. The device also offers soft-start functionality, internal compensation, and short-circuit protection. Its thermally enhanced 4mm × 4mm QFN package supports compact designs with minimal external components.
The LTC3616 is ideal for applications in portable electronics, telecommunications, and distributed power systems that require efficient power conversion with a small footprint. Its robust feature set and flexibility make it a versatile choice for designers looking for reliable power management solutions.
Key features include selectable fixed-frequency operation at 2.25MHz, allowing the use of small inductors and capacitors, and Burst Mode operation for high efficiency at light loads. The device also offers soft-start functionality, internal compensation, and short-circuit protection. Its thermally enhanced 4mm × 4mm QFN package supports compact designs with minimal external components.
The LTC3616 is ideal for applications in portable electronics, telecommunications, and distributed power systems that require efficient power conversion with a small footprint. Its robust feature set and flexibility make it a versatile choice for designers looking for reliable power management solutions.
Equivalent
The LTC3616IUDD is a high-efficiency, monolithic synchronous step-down regulator. Equivalent products may include:
1. Texas Instruments TPS54360 - 3.5A, 60V, Step-Down Converter.
2. Microchip MIC28512 - 4.5V to 75V Input, 5A Synchronous Buck Regulator.
3. Maxim Integrated MAX17501 - 4.5V to 60V, 2A High-Efficiency, Synchronous Step-Down Converter.
4. Diodes Incorporated AP65550 - 5A, 23V, Synchronous Step-Down Converter.
Compatibility should be assessed based on specific design requirements and characteristics.
1. Texas Instruments TPS54360 - 3.5A, 60V, Step-Down Converter.
2. Microchip MIC28512 - 4.5V to 75V Input, 5A Synchronous Buck Regulator.
3. Maxim Integrated MAX17501 - 4.5V to 60V, 2A High-Efficiency, Synchronous Step-Down Converter.
4. Diodes Incorporated AP65550 - 5A, 23V, Synchronous Step-Down Converter.
Compatibility should be assessed based on specific design requirements and characteristics.
Features
The LTC3616IUDD is a high-efficiency, monolithic synchronous step-down regulator. It is designed to deliver up to 4A of continuous output current from a 3V to 24V input supply. Key features include a high switching frequency of up to 4MHz, allowing for the use of small inductors and capacitors, which minimizes board space. It also offers a low quiescent current, which improves efficiency, especially in light-load conditions.
The device includes a constant-frequency, current-mode architecture for fast transient response and easy loop compensation. It supports Burst Mode® operation for high efficiency at light loads, and it can be synchronized to an external clock. Other features include an internal soft-start, tracking capability, output overvoltage protection, and thermal shutdown. The LTC3616IUDD is available in a compact 4mm × 4mm QFN package, making it suitable for space-constrained applications. Its versatility and robust feature set make it ideal for applications such as telecom and networking equipment, industrial systems, and distributed power architectures.
The device includes a constant-frequency, current-mode architecture for fast transient response and easy loop compensation. It supports Burst Mode® operation for high efficiency at light loads, and it can be synchronized to an external clock. Other features include an internal soft-start, tracking capability, output overvoltage protection, and thermal shutdown. The LTC3616IUDD is available in a compact 4mm × 4mm QFN package, making it suitable for space-constrained applications. Its versatility and robust feature set make it ideal for applications such as telecom and networking equipment, industrial systems, and distributed power architectures.
Pinout
The LTC3616IUDD is a high-efficiency, monolithic synchronous step-down switching regulator. It is designed for applications requiring up to 6A of output current. The device is typically used for point-of-load power supplies for microprocessors, FPGAs, and ASICs.
The LTC3616IUDD is available in a 4mm × 5mm 28-lead DFN package. The 28 pins serve various functions, including:
- VIN: Input Supply Pins
- SW: Switch Node (connected to the inductor)
- PGOOD: Power Good Indicator
- RUN: Run Control Input
- SYNC/MODE: Frequency Synchronization or Mode Selection
- FB: Feedback Pin for Output Voltage Regulation
- ISET: Current Limit Set Pin
- SGND: Signal Ground
- PGND: Power Ground
- VOSNS+ / VOSNS-: Differential Output Voltage Sense Pins
These are just a few of the primary pin functions; other pins are used for additional features, such as compensation, soft-start, and frequency setting. The pin configuration allows the LTC3616IUDD to efficiently manage power conversion with high performance in a compact form factor.
The LTC3616IUDD is available in a 4mm × 5mm 28-lead DFN package. The 28 pins serve various functions, including:
- VIN: Input Supply Pins
- SW: Switch Node (connected to the inductor)
- PGOOD: Power Good Indicator
- RUN: Run Control Input
- SYNC/MODE: Frequency Synchronization or Mode Selection
- FB: Feedback Pin for Output Voltage Regulation
- ISET: Current Limit Set Pin
- SGND: Signal Ground
- PGND: Power Ground
- VOSNS+ / VOSNS-: Differential Output Voltage Sense Pins
These are just a few of the primary pin functions; other pins are used for additional features, such as compensation, soft-start, and frequency setting. The pin configuration allows the LTC3616IUDD to efficiently manage power conversion with high performance in a compact form factor.
Manufacturer
The LTC3616IUDD is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that designs and manufactures a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in electronic equipment across a variety of industries, including communications, automotive, industrial, aerospace, defense, healthcare, and consumer electronics. ADI's technologies are fundamental in converting, conditioning, and processing real-world phenomena into usable data for various applications.
Application
The LTC3616IUDD is a high-efficiency, monolithic synchronous buck regulator. It is often used in applications requiring compact and efficient power management solutions. Key application areas include:
1. Distributed Power Systems: Provides efficient power conversion for various system components.
2. Telecommunications Equipment: Powers circuits in networking devices and communication infrastructure.
3. Industrial Systems: Supports automation and control systems requiring stable power.
4. Medical Devices: Offers reliable power for portable medical equipment.
5. Consumer Electronics: Powers components in gadgets like smartphones and tablets.
6. Automotive Systems: Used in infotainment systems and other electronic control units.
7. Networking Equipment: Supplies power to routers, switches, and other network devices.
1. Distributed Power Systems: Provides efficient power conversion for various system components.
2. Telecommunications Equipment: Powers circuits in networking devices and communication infrastructure.
3. Industrial Systems: Supports automation and control systems requiring stable power.
4. Medical Devices: Offers reliable power for portable medical equipment.
5. Consumer Electronics: Powers components in gadgets like smartphones and tablets.
6. Automotive Systems: Used in infotainment systems and other electronic control units.
7. Networking Equipment: Supplies power to routers, switches, and other network devices.
Package
The LTC3616IUDD is a high-efficiency, monolithic synchronous step-down regulator. It is housed in a 16-lead (4mm × 5mm) Plastic QFN (Quad Flat No-Lead) package.
