LM2621MM/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2621MM/NOPB is a low input voltage step-up DC-DC converter manufactured by Texas Instruments. It operates with an input voltage range of 1.2 V to 14 V and provides an adjustable output voltage from 1.24 V to 14 V. The device supports a maximum output current of 2.85 A and features a switchable switching frequency between 300 kHz and 2 MHz. It functions within a temperature range of -40 °C to +85 °C and draws only 80 µA of quiescent current. The component is housed in an 8-pin VSSOP surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Capable of stepping up low input voltages starting from 1.2 V
• Features selectable switching frequencies for optimized efficiency and size
• Includes shutdown functionality to minimize power consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Photovoltaic microsystems for portable applications
• Battery charging circuits requiring step-up conversion
• Low voltage DC-DC conversion in portable electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and package type against the official datasheet to ensure compatibility with design requirements. Confirm that the operating temperature range meets the application's environmental conditions. Check for RoHS compliance status as indicated in the manufacturer documentation. Ensure the selected variant matches the required pinout and thermal characteristics for the intended PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range down to 1.2 V is required. Consider the adjustable output voltage capability for flexible system designs. Evaluate the trade-off between switching frequency selection and external component size. Verify that the 2.85 A output current rating satisfies the load requirements under all expected operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2621 series of switching regulators from Texas Instruments. It is categorized under PMIC - Power Management ICs. The device is designed for efficient voltage boosting in space-constrained applications. It shares family characteristics with other members of the LM26xx series but offers specific performance parameters tailored for low-input-voltage scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.