ET8121

$0.21

Description：BUCK ADJ output 2A
Series：-
Mfr：ETEK MICROELECTRONICS
Package：Tape & Reel (TR)

SKU:c3eaf23c59a7 Category: Voltage Regulators - DC DC Switching Regulators Brand: ETEK MICROELECTRONICS

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Product introduction

Product Detailed Parameters

Description：BUCK ADJ output 2A
Series：-
Mfr：ETEK MICROELECTRONICS
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：17V
Voltage - Output (Min/Fixed)：0.76V
Voltage - Output (Max)：7V
Current - Output：2A
Frequency - Switching：580kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：SOT-23-6
Supplier Device Package：SOT-23-6
Grade：-
Qualification：-

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ET8121

Overview

The ET8121 is a highly integrated synchronous buck converter designed for wide input voltage ranges and high output currents. It features an ACOT control architecture to ensure high efficiency and stability. The device provides a positive adjustable output voltage starting from 0.76V with a continuous output current capability of 2A. It is optimized to operate with minimum external components, simplifying the design process for power supply applications.

Feature Summary

Highly integrated synchronous buck conversion topology
ACOT control architecture for enhanced performance
Optimized for minimal external component count

Applications

Wide input voltage power supply designs
High output current application requirements
Efficient step-down DC-DC conversion systems

Procurement Notes

Verify the specific package type and pinout configuration against your PCB layout requirements before ordering. Confirm that the input voltage range and load conditions align with the device's operational specifications. Ensure compatibility with the required output voltage adjustment range. Check for any specific thermal management needs associated with the 2A output capability in your intended enclosure.

Selection Notes

Select this component when a compact, high-efficiency solution is needed for converting higher input voltages to lower, adjustable levels. It is suitable for designs prioritizing reduced bill of materials due to its integration level. Consider it for applications requiring stable regulation under varying load conditions without complex compensation networks.

Part Context

This part belongs to ETEK Microelectronics' portfolio of power management integrated circuits. It serves as a switching regulator alternative to linear regulators where efficiency and heat dissipation are critical concerns. The device complements other LDOs and LED drivers offered by the manufacturer for complete system power solutions.