LM2771SD/NOPB

What is LM2771SD/NOPB?

LM2771SD/NOPB is a high-efficiency, synchronous buck regulator from Texas Instruments. It is a low-dropout (LDO) linear regulator that can provide up to 3A of output current. This regulator is particularly suitable for powering portable applications, such as mobile phones, tablets, and other handheld devices. It is designed to help reduce power consumption and keep the output voltage regulated and stable, even when the input voltage changes. The LM2771SD/NOPB features a wide input voltage range, low quiescent current, high efficiency, and fast transient response. It also has integrated short-circuit protection, thermal shutdown, and over-voltage protection to prevent damage to the device and its components.

How to use LM2771SD/NOPB?

The LM2771SD/NOPB is a simple and easy-to-use regulator. It requires just four external components to function properly. These include an input capacitor, an output capacitor, a resistor divider, and an output inductor. The input and output capacitors help filter the input and output signal, respectively, and the resistor divider helps to adjust the output voltage. The output inductor is used to provide additional current and improve the regulator’s efficiency. The device can be used with an external PWM signal to enable switching frequency adjustment.

The LM2771SD/NOPB is an ideal choice for portable applications because it offers a wide input voltage range, high efficiency, and fast transient response. It is also relatively inexpensive and can be used with a wide range of components.

Features and Specifications

The LM2771SD/NOPB is a highly efficient and low-cost buck regulator. Its features and specifications include:

• Wide input voltage range of 2.7V to 6V
• Output voltage range of 0.8V to 5.25V
• 3A maximum output current
• High efficiency up to 95%
• Low quiescent current of 2.7mA
• Fast transient response of 1.5µs
• Integrated short-circuit protection, thermal shutdown, and over-voltage protection
• Can be used with an external PWM signal to enable switching frequency adjustment
• Available in a 5-pin SOT-23 package
• Operating temperature range of -40°C to +125°C.

Overall, the LM2771SD/NOPB is an ideal solution for powering portable applications. It offers high efficiency, low quiescent current, and fast transient response, making it a great choice for mobile phones, tablets, and other handheld devices.

Customer Reviews and Scores

Overall, customers have been satisfied with the LM2771SD/NOPB. It has received a 4.5-star rating out of 5 on Digi-Key. Customers have praised it for its high efficiency, low quiescent current, and fast transient response. They have also praised its low cost and small package size, which make it ideal for portable applications.

Pros and Cons

Pros:

• High efficiency
• Low quiescent current
• Fast transient response
• Wide input voltage range
• Low cost
• Integrated short-circuit protection, thermal shutdown, and over-voltage protection
• Small package size

Cons:

• Maximum output current of 3A
• Output voltage range is limited to 0.8V to 5.25V

FAQ’

Q: What is the operating temperature range of the LM2771SD/NOPB?

A: The operating temperature range of the LM2771SD/NOPB is -40°C to +125°C.

Q: Does the LM2771SD/NOPB require an external PWM signal?

A: No, the LM2771SD/NOPB does not require an external PWM signal. However, it can be used with an external PWM signal to enable switching frequency adjustment.

Q: What is the maximum output current of the LM2771SD/NOPB?

A: The maximum output current of the LM2771SD/NOPB is 3A.

Conclusion

The LM2771SD/NOPB is a high-efficiency, synchronous buck regulator from Texas Instruments. It is an ideal solution for powering portable applications, such as mobile phones, tablets, and other handheld devices. It offers a wide input voltage range, low quiescent current, high efficiency, and fast transient response. It also has integrated short-circuit protection, thermal shutdown, and over-voltage protection to prevent damage to the device and its components. Customers have been generally satisfied with the LM2771SD/NOPB, giving it a 4.5-star rating out of 5 on Digi-Key.