LM2621MMX/NOPB

$0.96

Description：IC REG BST SEPIC ADJ 8VSSOP
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:21d3d83c5e73 Category: Voltage Regulators - DC DC Switching Regulators Brand: National Semiconductor

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LM2621MMX/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists National Semiconductor. Its product description is IC REG BST SEPIC ADJ 8VSSOP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2621MMX/NOPB

Description：IC REG BST SEPIC ADJ 8VSSOP
Series：-
Mfr：National Semiconductor
Package：Bulk
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive
Topology：Boost, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：1.2V
Voltage - Input (Max)：14V
Voltage - Output (Min/Fixed)：1.24V
Voltage - Output (Max)：14V
Current - Output：2.85A (Switch)
Frequency - Switching：300kHz ~ 2MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package：8-VSSOP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2621MMX/NOPB

LM2621MMX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2621MMX/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 a regulated output voltage adjustable from 1.24 V to 14 V. The device delivers an output current of 2.85 A and supports a switching frequency between 300 kHz and 2 MHz. It features a shutdown function and draws a typical operating supply current of 80 µA. The component is housed in an 8-pin VSSOP package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated boost topology for efficient voltage step-up conversion
Wide input voltage compatibility supporting single-cell lithium-ion sources
Adjustable switching frequency allows optimization for size or efficiency
Shutdown capability reduces quiescent current consumption

Voltage Regulators - DC DC Switching Regulators Applications

Battery-powered portable electronics
Single-cell lithium-ion battery systems
Low input voltage step-up applications
Portable medical devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Texas Instruments, as the LM2621 series was acquired from National Semiconductor. Confirm the suffix /NOPB indicates lead-free and RoHS compliance. Ensure the MMX variant matches the required reel packaging format for surface-mount assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range down to 1.2 V is required. The adjustable switching frequency permits design flexibility for external component sizing. Verify that the 2.85 A output current meets the load requirements and that the VSSOP-8 package fits the available PCB footprint constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2621 family of low input voltage step-up DC-DC converters. It is designed for applications requiring high efficiency from low voltage sources. The device integrates a power switch and control circuitry to simplify the design of boost converters.