LM2623LD

Voltage Regulators - DC DC Switching Regulators Overview

The LM2623LD/NOPB is a general-purpose gated oscillator DC/DC boost converter manufactured by Texas Instruments. It operates with an input voltage range from 800 mV to 14 V and delivers up to 2.85 A output current. The device supports adjustable switching frequencies between 300 kHz and 2 MHz, enabling flexible design optimization for efficiency and component size. It features a shutdown function and low operating supply current of 80 uA. The regulator is housed in a WSON-14 package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated gated oscillator architecture for efficient step-up conversion
• Adjustable switching frequency allows optimization of external component selection
• Low quiescent current supports battery-powered applications
• Shutdown pin enables power management control

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring high efficiency
• Battery-operated devices needing voltage boosting
• Industrial systems with variable input voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's official datasheet to confirm RoHS compliance and lead-free status. Ensure the WSON-14 package variant matches your PCB footprint requirements. Cross-reference the part number with authorized distributors to confirm current availability and authenticity before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a boost topology is required for inputs as low as 800 mV. Consider the thermal performance of the WSON-14 package for your enclosure design. Evaluate the need for external gating signals if utilizing the gated oscillator mode versus continuous operation. Verify that the required output voltage falls within the 1.24 V to 14 V range.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2623 belongs to Texas Instruments' family of switch-mode power regulators designed for space-constrained applications. It integrates the main switch and control logic into a compact form factor. This series targets designs where efficiency and small footprint are critical, distinguishing it from linear regulators through its switching operation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM2623 variants with different package options or temperature ratings. Confirm compatibility with existing gate drive circuits if substituting with similar gated oscillator controllers.