Texas Instruments

LM1770UMF/NOPB  

DC DC Switching Controllers

LM1770UMF/NOPB Description

The LM1770UMF/NOPB is a high-performance buck regulator controller designed for a wide range of power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained designs. The LM1770UMF/NOPB features a transistor driver output type with a positive output configuration, ensuring efficient power delivery and control.

LM1770UMF/NOPB Features

• Wide Input Voltage Range: The LM1770UMF/NOPB operates within a supply voltage range of 2.8V to 5.5V, making it suitable for various power supply environments.
• High Switching Frequency: With a switching frequency range of 100kHz to 1MHz, this regulator offers flexibility in design, allowing for the optimization of efficiency and size.
• Synchronous Rectification: The inclusion of synchronous rectification enhances efficiency by reducing power losses, making the LM1770UMF/NOPB highly efficient even at higher loads.
• Single Output and Phase: This regulator is designed with a single output and phase, simplifying the design process and reducing complexity.
• Compliance and Reliability: The LM1770UMF/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing processes.
• Packaging: Available in a tape and reel (TR) package, the LM1770UMF/NOPB is easy to handle and integrate into automated assembly lines.

LM1770UMF/NOPB Applications

The LM1770UMF/NOPB is well-suited for applications requiring efficient power conversion and control. Its compact size and high efficiency make it ideal for:

• Consumer Electronics: Portable devices such as smartphones, tablets, and wearables benefit from the LM1770UMF/NOPB's ability to provide stable power with minimal footprint.
• Industrial Equipment: Power supplies for industrial control systems and IoT devices can leverage the regulator's wide input voltage range and high efficiency.
• Telecommunications: Base stations and network equipment require reliable power management solutions, and the LM1770UMF/NOPB's robust design meets these needs.
• Automotive Electronics: In-vehicle infotainment systems and electronic control units can utilize the LM1770UMF/NOPB for efficient power regulation.

Conclusion of LM1770UMF/NOPB

The LM1770UMF/NOPB from Texas Instruments stands out as a versatile and efficient buck regulator controller. Its wide input voltage range, high switching frequency, and synchronous rectification make it a superior choice for applications where space and efficiency are critical. The device's compliance with environmental and safety standards further enhances its appeal. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive applications, the LM1770UMF/NOPB delivers reliable performance and ease of integration, making it a valuable component in modern power management designs.

LM1770UMF/NOPB Documents

Download datasheets and manufacturer documentation for LM1770UMF/NOPB

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LM1770      

PCN Packaging :

Pin One Dot 07/Jan/2019      

Reference Design Library :

LM1770 #8: 1.8V @ 2A, 3.3V in, (Page 15)      

HTML Datasheet :

LM1770      

PCN Design/Specification :

Cu Wire Bond 14/May/2013