LM2738YSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2738YSD/NOPB is a Texas Instruments step-down DC-DC switching regulator featuring an integrated high-side N-channel MOSFET. It operates with an input voltage range of 3 V to 20 V and delivers up to 1.5 A output current. The device supports adjustable switching frequencies of 550 kHz or 1.6 MHz, enabling the use of small external components. It provides an adjustable output voltage from 800 mV to 18 V within a WSON-8 package. The controller includes a shutdown pin for low standby current consumption and functions reliably across an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side N-channel power switch for compact design
• Supports selectable switching frequencies to optimize component size
• Includes a dedicated shutdown pin for enhanced power management

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Distributed power systems
• Adapters and wall chargers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer's official datasheet to confirm the exact switching frequency configuration and package variant. Ensure that the ordering information matches the required thermal performance and electrical specifications for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range and high output current are required in a minimal footprint. Consider the available switching frequency options to balance efficiency requirements against passive component size constraints during the initial circuit design phase.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2738 family of synchronous buck converters designed for space-constrained applications. It serves as a power management solution for systems requiring efficient voltage regulation from higher supply rails down to lower logic levels.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official cross-reference documentation for verified substitute part numbers. Do not assume functional compatibility with other models without verifying pinout and electrical parameter alignment.