LM2733YMF

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LM2733YMF

IC REG BOOST ADJ 1A SOT23-5

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  • Ông. Phần #LM2733YMF
  • Gói SOT23-5
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  • Có sẵn3459

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
Function Step-Up
OutputConfiguration Positive
Topology Boost
OutputType Adjustable
NumberofOutputs 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
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Tổng quan

Description

The LM2733YMF is a high-frequency boost converter from Texas Instruments, designed to provide efficient voltage conversion for portable and battery-powered applications. It operates with an input voltage range of 2.7V to 14V and can deliver an output voltage of up to 24V, making it versatile for various applications requiring a step-up in voltage. The device features a high switch frequency of up to 1.6 MHz, which allows for the use of smaller external components, thus minimizing the overall footprint of the design.
The LM2733YMF is known for its efficiency, often exceeding 80%, which is crucial for battery-powered devices to conserve energy. It comes in a small SOT-23 package, making it ideal for compact electronic devices. The converter includes several features such as internal compensation, current limiting, and thermal shutdown to enhance reliability and performance. Its design simplicity and robust performance make it suitable for handheld devices, LED backlighting, and other applications where space and power efficiency are critical factors.

Features

The LM2733YMF is a high-frequency, step-up DC-DC converter designed for boosting voltage levels efficiently. Key features include:
1. High Efficiency: Capable of achieving efficiency levels over 80%, making it suitable for battery-powered applications.
2. Wide Input Voltage Range: Operates from 2.7V to 14V, accommodating a variety of input sources.
3. Adjustable Output Voltage: Can be configured to output a voltage as high as 40V.
4. Switching Frequency: Offers a fixed switching frequency of 1.6MHz, allowing the use of smaller inductors and capacitors.
5. Compact Package: Available in SOT-23-5 package, saving board space in compact designs.
6. Current Limit Protection: Features built-in current limiting to prevent excessive currents.
7. Low Shutdown Current: Consumes minimal power in shutdown mode, typically less than 2µA.
8. Thermal Shutdown: Includes thermal protection to prevent damage from overheating.
These features make the LM2733YMF ideal for applications requiring compact, efficient boost converters, such as portable electronics and LED backlighting.

Package

The LM2733YMF is a boost converter IC from Texas Instruments and is available in a SOT-23-5 package. This package is a small outline transistor format with five pins, suitable for surface-mount applications.

Pinout

The LM2733YMF is a step-up DC-DC converter. It typically comes in a small SOT-23-5 package, which implies it has 5 pins. Here is a concise overview of its pin functions:
1. SW (Switch): The main switch node connected to the inductor. This pin handles the switching of the voltage.
2. GND (Ground): The ground pin for the device.
3. FB (Feedback): Used to set the output voltage via a resistor divider network. It senses the output voltage for regulation.
4. VCC (Input Voltage): The input supply voltage pin.
5. EN (Enable): Controls the ON/OFF operation of the device. A high level enables the converter, while a low level disables it.
This compact configuration allows the LM2733YMF to efficiently regulate voltage in various electronic applications.

Manufacturer

The LM2733YMF is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and solutions. They are well-known for their analog and embedded processing products, including microcontrollers, digital signal processors, and power management devices. TI serves diverse industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The LM2733YMF is a high-frequency boost converter designed for applications requiring efficient voltage step-up. Key application areas include powering LCD bias supplies, portable devices, white LED backlighting, and other battery-operated equipment where space and efficiency are crucial. It's ideal for systems needing a compact form factor and low power consumption, such as smartphones, tablets, and wearable electronics. The device's ability to handle low input voltages and deliver higher output voltages makes it suitable for applications such as sensor networks and IoT devices.

Equivalent

The LM2733YMF is a boost converter IC. Possible equivalent products include:
1. MIC2288 by Microchip Technology
2. MT3608 by MPS (Monolithic Power Systems)
3. LT1613 by Analog Devices
4. TPS61070 by Texas Instruments
These alternatives offer similar functionalities. However, always check the datasheets for compatibility regarding voltage, current ratings, and specific application needs.

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