LM2733YMF/NOPB

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LM2733YMF/NOPB

LM2733 0.6/1.6 MHZ BOOST CONVERT

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Спецификации

Package Bulk
ProductStatus Active
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

Обзор

Description

The LM2733YMF/NOPB is a step-up DC-DC converter from Texas Instruments designed to deliver a high-efficiency power supply solution. It features a wide input voltage range of 2.7V to 14V and can output a voltage up to 40V, making it suitable for applications requiring significant voltage boosting. The device integrates an N-channel MOSFET for switching, and its current-mode PWM architecture allows for fast transient response and stability.
The LM2733YMF/NOPB offers a high switching frequency, up to 1.6 MHz, which helps in reducing the size of external components like inductors and capacitors, optimizing space and cost. It includes features like cycle-by-cycle current limiting and thermal shutdown protection to ensure safe operation. The device is available in a SOT-23 package, making it compact and ideal for space-constrained applications such as portable electronics, battery-powered devices, and LED drivers.
Overall, the LM2733YMF/NOPB is a versatile and efficient solution for boosting voltage in compact designs, ensuring reliability with its robust protection features.

Features

The LM2733YMF/NOPB is a high-frequency, step-up DC-DC converter designed for applications requiring efficient voltage boosting. Key features include:
1. Wide Input Voltage Range: Operates efficiently from a low input voltage, typically ranging from 2.7V to 14V.
2. High Switching Frequency: The device features a high switching frequency, which can reach up to 1.6MHz, allowing for the use of smaller inductors and capacitors.
3. Output Voltage: Capable of delivering output voltages up to 24V, making it suitable for a variety of applications.
4. High Efficiency: Designed to maximize power efficiency, often exceeding 80%, which is crucial for battery-powered applications.
5. Compact Package: Available in a small SOT-23 package, enabling a compact solution with minimal external components.
6. Internal Compensation: Simplifies the design process by eliminating the need for external compensation components.
7. Current Mode PWM Operation: Ensures stable operation across a wide range of input and output conditions.
8. Protection Features: Includes over-temperature and current limiting protections to enhance reliability.
These features make the LM2733YMF/NOPB suitable for portable devices, battery-operated equipment, and other applications requiring efficient power conversion in a compact form.

Package

The LM2733YMF/NOPB is a DC-DC boost converter packaged in a 6-pin SOT-23 (Small Outline Transistor) form factor, which is compact and suitable for space-constrained applications.

Pinout

The LM2733YMF/NOPB is a high-frequency boost converter IC designed by Texas Instruments. It is typically used for applications requiring efficient voltage boosting or step-up conversion. The device comes in a 6-pin SOT-23 package, which is compact and suitable for space-constrained applications.
Key functions and pin descriptions are as follows:
1. SW (Pin 1): Switch node connection. Connects to the inductor and diode.
2. GND (Pin 2): Ground pin. It serves as the common return path for the entire circuit.
3. FB (Pin 3): Feedback pin. Used to set the output voltage via a resistor divider network.
4. SHDN (Pin 4): Shutdown control pin. A high level enables the device, while a low level disables it.
5. VIN (Pin 5): Input voltage pin. Connects to the input power supply.
6. VOUT (Pin 6): Output voltage pin. Connects to the load.
These features make the LM2733YMF/NOPB suitable for battery-powered devices, LED drivers, and other portable electronics requiring efficient voltage boost capabilities.

Manufacturer

The LM2733YMF/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits, digital signal processors, microcontrollers, and analog technologies. TI serves diverse industries such as automotive, industrial, personal electronics, and communications, providing solutions that help customers efficiently manage power, enhance precision, and enable connectivity in their products.

Application

The LM2733YMF/NOPB is a step-up DC-DC converter used in applications requiring efficient voltage boosting. Key application areas include powering LCD bias supplies, white LED backlighting, portable devices, and systems needing increased voltage from a lower voltage source, such as battery-powered equipment. It is also used in RF power amplifiers and as a general-purpose boost converter in various electronic circuits.

Equivalent

Equivalent products to the LM2733YMF/NOPB, a boost converter from Texas Instruments, include the MC34063 from ON Semiconductor, the MAX1703 from Maxim Integrated, and the LT1615 from Analog Devices. These components perform similar functions related to voltage boosting, but specific features and performance characteristics may vary. Always verify pin compatibility and electrical specifications when selecting a replacement.

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