Overview
The LM2733XMF/NOPB is a high-frequency step-up DC-DC converter from Texas Instruments, designed for portable electronic devices and battery-powered systems. The device features ultra-high switching frequency, small package, and efficient energy conversion, making it ideal for designs with limited space and high power efficiency requirements.
Specifications
parameter | Numeric |
Input voltage range | 2.7V to 14V |
Output voltage range | Up to 40V |
Switching frequency | 1.6MHz |
Maximum output current | 1A |
efficiency | Up to 90% |
Quiescent current (Iq) | 2.1mA (typical) |
Package Type | SOT-23-5 (MF) |
Operating temperature range | -40°C to +125°C |
LM2733XMF/NOPB’s outstanding features
High Frequency Operation
The high switching frequency of 1.6MHz supports small size external components, optimizes PCB space design and simplifies filtering circuit requirements.
The wide input voltage range
supports input voltages from 2.7V to 14V, suitable for a variety of power supply configurations from single-cell lithium batteries to multi-cell batteries.
The high-efficiency boost converter
has a conversion efficiency of up to 90%, providing a stable high-voltage output while reducing power consumption.
The small footprint
SOT-23-5 package makes it ideal for space-constrained applications such as portable devices and embedded systems.
Protection function
Built-in overheat protection and overcurrent protection functions ensure safe and reliable system operation.
Simple startup
Integrated internal compensation eliminates the need for complex external component configuration, reducing development time.
Application Areas
LM2733XMF/NOPB is widely used in the following fields due to its small size and high efficiency:
Portable Devices
Provides efficient boost power supply for portable devices such as smartphones and tablets.
Battery-powered systems
are used in handheld devices, medical electronics, and wireless sensors to achieve a stable voltage boost function.
Consumer Electronics
Supports the power needs of electronic products such as audio equipment and cameras, optimizing performance and power consumption.
Industrial and Embedded Systems
Provide reliable power solutions in small embedded systems that require high voltage drive.
Comparative Analysis: LM2733XMF/NOPB vs. Other Boost Converters
Features/Specifications | LM2733XMF/NOPB | Other boost converters on the market |
Input voltage range | 2.7V to 14V | Typically 3V to 12V |
Output voltage range | up to 40V | Below 30V |
switching frequency | 1.6MHz | 1MHz or less |
Package form | SOT-23-5 | SOT-23, QFN, etc. |
efficiency | up to 90% | Usually 85%-88% |
The LM2733XMF/NOPB offers significant advantages in input voltage range, switching frequency and efficiency, making it an ideal choice for space-constrained designs that require an efficient boost.
Manufacturer introduction: Texas Instruments
Texas Instruments is a leading global semiconductor technology supplier, providing a wide range of analog and embedded processor products. The LM2733XMF/NOPB is one of the star products in its boost converter series, which has won market recognition for its high efficiency, stability and miniaturization design.
Why choose LM2733XMF/NOPB?
The LM2733XMF/NOPB combines high frequency, high efficiency and small design to provide designers with a simple and reliable boost power solution. Its low power consumption, wide input voltage range and easy integration make it particularly suitable for boost needs in portable and embedded systems.
FAQ
Q1: Does LM2733XMF/NOPB support external frequency synchronization?
A: No. The switching frequency of the LM2733XMF/NOPB is fixed at 1.6MHz and cannot be externally synchronized. This design reduces the need for complex regulation, making it suitable for projects with fast development cycles. Engineers can focus on optimizing other key parameters without having to worry about frequency synchronization issues.
Q2: Is complex circuit compensation required?
A: No. The LM2733XMF/NOPB integrates internal compensation, which simplifies design and reduces external component requirements. This integrated feature not only shortens development time, but also improves the reliability of circuit design, especially in space-constrained applications.
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