LM3677LEE-1.8/NOPB

$0.65

Description：IC REG BUCK 1.8V 600MA 6USON
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:f5ac98e8b957 Category: Voltage Regulators - DC DC Switching Regulators Brand: National Semiconductor

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Product introduction

LM3677LEE-1.8/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 BUCK 1.8V 600MA 6USON. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM3677LEE-1.8/NOPB

Description：IC REG BUCK 1.8V 600MA 6USON
Series：-
Mfr：National Semiconductor
Package：Bulk
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：-
Current - Output：600mA
Frequency - Switching：3MHz
Synchronous Rectifier：Yes
Operating Temperature：-30°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：6-UFDFN
Supplier Device Package：6-USON (2x1.5)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM3677LEE-1.8/NOPB

LM3677LEE-1.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3677LEE-1.8/NOPB is a miniature step-down DC-DC converter manufactured by Texas Instruments, designed for ultra-low voltage circuits. It operates with an input voltage range of 2.7 V to 5 V and provides a fixed output of 1.8 V. The device supports up to 600 mA of output current and utilizes a 3 MHz switching frequency. It is housed in a compact 6-USON package and functions within a temperature range of -40 °C to 85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a high-frequency buck regulator to minimize external component size
Optimized for powering noise-sensitive RF tuners and mobile applications
Supports current mode and PFM control techniques for efficient operation

Voltage Regulators - DC DC Switching Regulators Applications

Powering RF tuners in cellular handsets
Mobile TV applications
Ultra-low voltage circuit power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor. Confirm the specific suffix 'NOPB' indicates lead-free and RoHS compliance. Ensure the package code matches the required 6-USON footprint for your PCB layout. Cross-reference the fixed 1.8 V output requirement against your system design specifications before ordering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space constraints require a miniature form factor combined with high switching frequencies. It is suitable for designs needing stable power for sensitive analog sections like RF front-ends. Consider the 600 mA current limit and the 2.7 V minimum input voltage to ensure compatibility with single-cell battery systems or standard 3.3 V rails.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM367x family of miniaturized DC-DC converters from Texas Instruments. While originally associated with National Semiconductor technology, current production and documentation are managed by TI. The series focuses on integrating power switches and controllers into small packages to reduce board area for portable electronics.