規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 65V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 65V |
| Current - Output | 500mA |
| Frequency - Switching | 50kHz ~ 600kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The LM5166DRCR is a high-efficiency, synchronous step-down DC-DC converter manufactured by Texas Instruments. It is designed for applications requiring a small form factor and low power consumption. The device operates with input voltages ranging from 3V to 65V, making it suitable for a wide range of power supply designs. It features a low quiescent current of around 10 µA, which helps to extend battery life in portable applications.
The LM5166DRCR offers a maximum output current of 0.5A, and its synchronous rectification design improves efficiency by minimizing conduction losses. The device includes advanced features such as a programmable output voltage, internal loop compensation, and current-mode control for fast transient response and ease of use. It also provides built-in protection mechanisms, including thermal shutdown, current limiting, and input under-voltage lockout.
Packaged in a small 10-pin VSON (DRC) package, the LM5166DRCR is suitable for space-constrained applications. Its robust performance and versatile feature set make it an ideal solution for telecommunications, industrial, and consumer electronics applications.
The LM5166DRCR offers a maximum output current of 0.5A, and its synchronous rectification design improves efficiency by minimizing conduction losses. The device includes advanced features such as a programmable output voltage, internal loop compensation, and current-mode control for fast transient response and ease of use. It also provides built-in protection mechanisms, including thermal shutdown, current limiting, and input under-voltage lockout.
Packaged in a small 10-pin VSON (DRC) package, the LM5166DRCR is suitable for space-constrained applications. Its robust performance and versatile feature set make it an ideal solution for telecommunications, industrial, and consumer electronics applications.
Equivalent
The LM5166DRCR is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers include:
1. MP2459 from Monolithic Power Systems
2. LT8609 from Analog Devices
3. TPS560430 from Texas Instruments itself (alternate series)
4. RT6208 from Richtek Technology
When selecting an equivalent, always verify the specifications such as input/output voltage range, current rating, and efficiency to ensure compatibility with your application.
1. MP2459 from Monolithic Power Systems
2. LT8609 from Analog Devices
3. TPS560430 from Texas Instruments itself (alternate series)
4. RT6208 from Richtek Technology
When selecting an equivalent, always verify the specifications such as input/output voltage range, current rating, and efficiency to ensure compatibility with your application.
Features
The LM5166DRCR is a compact, high-efficiency DC-DC buck converter designed for a variety of power supply applications. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 65V, making it versatile for different power sources.
2. Low Quiescent Current: Consumes only 10 µA in standby mode, which helps in extending battery life in portable applications.
3. Output Current Capability: Delivers up to 0.5A of continuous output current.
4. Adjustable Switching Frequency: Allows for synchronization to an external clock or fixed at 500 kHz to 2.2 MHz, facilitating design flexibility.
5. Integrated High-Side and Low-Side MOSFETs: Enhances efficiency and reduces the need for external components.
6. Precise Enable Input: Offers a programmable undervoltage lockout (UVLO) for optimized system control.
7. Thermal and Overcurrent Protection: Ensures reliability and safety by safeguarding against overloads and excessive heat.
8. Compact Package: Available in a thermally efficient 10-pin VSON package, saving board space.
These features make the LM5166DRCR suitable for automotive, industrial, and consumer electronics applications, where efficient power conversion is crucial.
1. Wide Input Voltage Range: Operates from 3V to 65V, making it versatile for different power sources.
2. Low Quiescent Current: Consumes only 10 µA in standby mode, which helps in extending battery life in portable applications.
3. Output Current Capability: Delivers up to 0.5A of continuous output current.
4. Adjustable Switching Frequency: Allows for synchronization to an external clock or fixed at 500 kHz to 2.2 MHz, facilitating design flexibility.
5. Integrated High-Side and Low-Side MOSFETs: Enhances efficiency and reduces the need for external components.
6. Precise Enable Input: Offers a programmable undervoltage lockout (UVLO) for optimized system control.
7. Thermal and Overcurrent Protection: Ensures reliability and safety by safeguarding against overloads and excessive heat.
8. Compact Package: Available in a thermally efficient 10-pin VSON package, saving board space.
These features make the LM5166DRCR suitable for automotive, industrial, and consumer electronics applications, where efficient power conversion is crucial.
Pinout
The LM5166DRCR is a step-down DC-DC converter from Texas Instruments. It typically comes in a 10-pin VSON package. Its main function is to efficiently step down higher input voltages (up to 65 V) to a lower, regulated output voltage, supporting loads up to 0.5 A. The device is designed for low power, high efficiency applications and features constant-on-time (COT) control for fast transient response and ease of use.
Key pins and their functions include:
1. VIN - Input voltage supply pin.
2. VOUT - Output voltage pin where the regulated output is available.
3. SW - Switch node pin connected to the internal high side MOSFET.
4. GND - Ground pin for circuit reference.
5. FB - Feedback pin used to set the output voltage through a resistor divider network.
6. EN - Enable pin used to turn the converter on or off.
7. RBIAS - A pin to set the operating frequency by connecting a resistor.
8. VCC - Internal bias supply output.
9. BOOT - Bootstrapped supply pin for the high-side driver.
10. PGOOD - Power good output indicating that the output voltage is within regulation.
These features make the LM5166DRCR suitable for a wide range of applications such as industrial, automotive, and communication systems.
Key pins and their functions include:
1. VIN - Input voltage supply pin.
2. VOUT - Output voltage pin where the regulated output is available.
3. SW - Switch node pin connected to the internal high side MOSFET.
4. GND - Ground pin for circuit reference.
5. FB - Feedback pin used to set the output voltage through a resistor divider network.
6. EN - Enable pin used to turn the converter on or off.
7. RBIAS - A pin to set the operating frequency by connecting a resistor.
8. VCC - Internal bias supply output.
9. BOOT - Bootstrapped supply pin for the high-side driver.
10. PGOOD - Power good output indicating that the output voltage is within regulation.
These features make the LM5166DRCR suitable for a wide range of applications such as industrial, automotive, and communication systems.
Manufacturer
The LM5166DRCR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are widely recognized for their broad portfolio of products, which are used in a multitude of applications across different markets, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is known for its focus on innovation and the development of analog chips and embedded processors, which are integral to modern electronic systems.
Application
The LM5166DRCR is a step-down buck converter designed for efficient power management. Its application areas include:
1. Industrial Power Supplies: Used in systems requiring high efficiency and compact size.
2. Battery-Powered Devices: Ideal for extending battery life with its low quiescent current.
3. Telecommunications Equipment: Supports stable power delivery in communication devices.
4. Automotive Systems: Suitable for powering automotive electronics with its wide input voltage range.
5. IoT Devices: Powers various Internet of Things applications by delivering efficient DC-DC conversion.
6. Consumer Electronics: Used in power management for gadgets requiring reliable voltage regulation.
These applications benefit from the converter's efficiency, wide input range, and compact footprint.
1. Industrial Power Supplies: Used in systems requiring high efficiency and compact size.
2. Battery-Powered Devices: Ideal for extending battery life with its low quiescent current.
3. Telecommunications Equipment: Supports stable power delivery in communication devices.
4. Automotive Systems: Suitable for powering automotive electronics with its wide input voltage range.
5. IoT Devices: Powers various Internet of Things applications by delivering efficient DC-DC conversion.
6. Consumer Electronics: Used in power management for gadgets requiring reliable voltage regulation.
These applications benefit from the converter's efficiency, wide input range, and compact footprint.
Package
The LM5166DRCR is a step-down DC-DC converter from Texas Instruments, and it is available in a VSON (Very Thin Small Outline No-Lead) package type. The specific package designation for this model is a 10-pin VSON package, often referred to as DRCR in Texas Instruments' nomenclature.
