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LM2733YMFX
+Lista de MateriaisIC REG BOOST ADJ 1A SOT23-5
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FabricanteTexas Instruments
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Peça do Fabricante #LM2733YMFX
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Especificações
| Atributo | Valor |
| Part Status | Obsolete |
| Base Product Number | LM2733 |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 14V |
| Voltage - Output (Min/Fixed) | 2.7V |
| Voltage - Output (Max) | 40V (Switch) |
| Current - Output | 1A (Switch) |
| Frequency - Switching | 600kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Packaging | Tape & Reel (TR) |
Visão Geral
Description
The LM2733YMFX is a high-frequency boost (step-up) DC-DC converter designed by Texas Instruments. It is part of the LM2733 series, known for offering efficient power conversion in compact applications. This converter operates in a voltage range of 2.7V to 14V, making it suitable for use in battery-powered devices, LED backlighting, or any application requiring a higher voltage from a lower voltage source.
The LM2733YMFX supports a switching frequency of up to 1.6MHz, enabling the use of smaller external components, which reduces the overall size of the power supply circuit. It delivers high efficiency, often exceeding 80%, thus minimizing heat generation and energy loss.
This device comes in a SOT-23-5 package, enhancing its suitability for compact and space-constrained designs. Key features include a built-in switch, internal compensation, and current-mode PWM control, which contribute to its reliability and performance in various electronic applications. With its robust design, the LM2733YMFX is favored in portable electronics and small form factor power supply solutions.
The LM2733YMFX supports a switching frequency of up to 1.6MHz, enabling the use of smaller external components, which reduces the overall size of the power supply circuit. It delivers high efficiency, often exceeding 80%, thus minimizing heat generation and energy loss.
This device comes in a SOT-23-5 package, enhancing its suitability for compact and space-constrained designs. Key features include a built-in switch, internal compensation, and current-mode PWM control, which contribute to its reliability and performance in various electronic applications. With its robust design, the LM2733YMFX is favored in portable electronics and small form factor power supply solutions.
Equivalent
The LM2733YMFX is a step-up DC-DC converter from Texas Instruments. Equivalent products include:
1. MIC2288 from Microchip Technology
2. LT1613 from Analog Devices (formerly Linear Technology)
3. TPS61097 series from Texas Instruments
4. NCP1400 series from ON Semiconductor
These alternatives offer similar functionalities but may have variations in specifications like voltage, current ratings, or efficiency. Always check the datasheet to ensure compatibility with your application.
1. MIC2288 from Microchip Technology
2. LT1613 from Analog Devices (formerly Linear Technology)
3. TPS61097 series from Texas Instruments
4. NCP1400 series from ON Semiconductor
These alternatives offer similar functionalities but may have variations in specifications like voltage, current ratings, or efficiency. Always check the datasheet to ensure compatibility with your application.
Features
The LM2733YMFX is a step-up DC-DC converter designed by Texas Instruments. Key features include:
1. Wide Input Voltage Range: The device operates with an input voltage range of 2.7V to 14V, making it versatile for various power sources.
2. High Efficiency: It offers high efficiency, typically above 80%, which helps in energy conservation and reduces heat generation.
3. Adjustable Output Voltage: The LM2733YMFX allows for adjustable output voltage, providing flexibility for different applications.
4. High Switching Frequency: The device features a high switching frequency, up to 1.6 MHz, which enables the use of smaller external components and saves board space.
5. Compact Package: It is available in a small SOT-23 package, which is ideal for space-constrained designs.
6. Low Shutdown Current: The converter has a low shutdown current, typically less than 2 µA, which aids in conserving battery life when the device is not in use.
7. Protection Features: It includes built-in protection mechanisms such as thermal shutdown and current limiting, ensuring reliability and safety.
These features make the LM2733YMFX suitable for applications in portable devices, battery-powered equipment, and other areas requiring efficient voltage boosting.
1. Wide Input Voltage Range: The device operates with an input voltage range of 2.7V to 14V, making it versatile for various power sources.
2. High Efficiency: It offers high efficiency, typically above 80%, which helps in energy conservation and reduces heat generation.
3. Adjustable Output Voltage: The LM2733YMFX allows for adjustable output voltage, providing flexibility for different applications.
4. High Switching Frequency: The device features a high switching frequency, up to 1.6 MHz, which enables the use of smaller external components and saves board space.
5. Compact Package: It is available in a small SOT-23 package, which is ideal for space-constrained designs.
6. Low Shutdown Current: The converter has a low shutdown current, typically less than 2 µA, which aids in conserving battery life when the device is not in use.
7. Protection Features: It includes built-in protection mechanisms such as thermal shutdown and current limiting, ensuring reliability and safety.
These features make the LM2733YMFX suitable for applications in portable devices, battery-powered equipment, and other areas requiring efficient voltage boosting.
Pinout
The LM2733YMFX is a high-frequency boost converter from Texas Instruments. It is available in a SOT-23 package and commonly used for step-up voltage applications. This device typically comes in a 6-pin configuration with the following pin functions:
1. SW (Switch Pin): Connects to the inductor and is the main switch node.
2. GND (Ground Pin): Ground reference for the circuit.
3. FB (Feedback Pin): Receives feedback from the output voltage to regulate the output.
4. VDD (Input Voltage Pin): Supplies power to the device.
5. SHDN (Shutdown Pin): Enables or disables the device. A logic low will put the device in shutdown mode.
6. Compensation (COMP) Pin: Used to stabilize the control loop.
This configuration supports the efficient conversion of a lower input voltage to a higher output voltage, making it suitable for applications such as powering LEDs or charging circuits.
1. SW (Switch Pin): Connects to the inductor and is the main switch node.
2. GND (Ground Pin): Ground reference for the circuit.
3. FB (Feedback Pin): Receives feedback from the output voltage to regulate the output.
4. VDD (Input Voltage Pin): Supplies power to the device.
5. SHDN (Shutdown Pin): Enables or disables the device. A logic low will put the device in shutdown mode.
6. Compensation (COMP) Pin: Used to stabilize the control loop.
This configuration supports the efficient conversion of a lower input voltage to a higher output voltage, making it suitable for applications such as powering LEDs or charging circuits.
Manufacturer
The LM2733YMFX is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of electronic components, including integrated circuits and semiconductors. The company serves various industries such as consumer electronics, automotive, industrial, and communications. TI is recognized for its innovation in analog chips and embedded processors, contributing significantly to various technological advancements.
Application
The LM2733YMFX is a high-frequency step-up DC-DC converter designed for applications requiring efficient voltage boosting. It is commonly used in LCD displays, portable electronics, and LED backlighting due to its compact size and high efficiency. The component is suitable for battery-powered devices, providing the necessary voltage boost from lower battery voltages. It can be used in handheld devices, GPS units, and other portable applications where space is limited. Additionally, its ability to drive LEDs makes it ideal for applications that require constant current LED drivers. The LM2733YMFX's small form factor and reliability make it a versatile choice for a variety of power management solutions.
Package
The LM2733YMFX is a DC-DC boost converter from Texas Instruments, and it comes in a SOT-23 package type. This package is a small outline transistor with a surface-mount design, suitable for compact electronic applications.
