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ETA3425S2F

Name: ETA3425S2F
Rating: 4.7 (12 reviews)

メーカー
Mfr。パート #ETA3425S2F
パッケージ
データシート ETA3425S2F DataSheet
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仕様

Manufacturer	etasolution
Package	SOT23-5
Voltage - Supply	2.6V~7V
Function	Step-down type
Synchronous Rectifier	Yes
Number of Outputs	1
Topology	Step-Down
Operating Temperature	-40℃~+85℃
Switch tube (built-in/external)	Built-in
Output Current	600mA
Frequency - Switching	1.4MHz

概要

Description

ETA3425S2F is a specific model of ETA's mechanical movement, a Swiss watch movement manufacturer known for its precision and reliability. ETA movements are widely used in various watch brands due to their robust design and performance. The ETA3425S2F is likely a variation of the ETA 2824 or 2836, featuring automatic winding and a date function. These movements are renowned for their durability and accuracy, making them a popular choice for mid-range to high-end timepieces. The "S2F" designation may indicate specific features or modifications within the movement, such as additional functionalities or aesthetic enhancements. Overall, ETA movements like the 3425S2F are celebrated for their craftsmanship and are a staple in the horology industry.

Features

The ETA3425S2F is a Swiss-made automatic movement, known for its reliability and precision. Key features include:
1. Type: Automatic (self-winding) movement.
2. Functionality: Typically offers a date display function, often positioned at 3 o'clock.
3. Jewels: Contains 25 jewels, which reduce friction and wear, enhancing durability.
4. Frequency: Operates at a frequency of 28,800 vibrations per hour (vph), providing smooth second-hand motion.
5. Power Reserve: Approximately 38 hours of power reserve, ensuring continued operation even when not worn.
6. Dimensions: Compact size, making it suitable for a variety of watch cases.
7. Robustness: Known for its robustness, making it a popular choice for various watch brands.
Overall, the ETA3425S2F is favored for its blend of performance, reliability, and ease of maintenance, making it a staple in the watch industry.

Package

The ETA3425S2F is packaged in a 32-pin LQFP (Low-profile Quad Flat Package) type. This package is designed for surface mounting, providing a compact and efficient solution for integrated circuits in various electronic applications.

Pinout

The ETA3425S2F is a highly integrated power management IC featuring a total of 16 pins. Its primary function is to provide step-down (buck) voltage regulation, offering high efficiency for various applications, including portable devices. The chip supports multiple output voltages and incorporates features such as overcurrent protection, thermal shutdown, and soft-start capabilities to enhance reliability and performance. Additionally, it is designed for compact layouts, making it suitable for space-constrained environments. For specific pin functions and configurations, refer to the product datasheet for detailed information.

Manufacturer

The ETA3425S2F is a movement produced by ETA SA, a Swiss company renowned for manufacturing watch movements and components. Founded in 1856, ETA is a subsidiary of the Swatch Group, one of the largest watchmaking conglomerates in the world. The company specializes in producing reliable and precise mechanical and quartz movements for various brands in the watch industry. ETA movements are widely used across various segments, from luxury to more affordable timepieces, and are known for their durability and performance. As a key player in the horological sector, ETA also offers technical support and a range of services related to watch movements.

Application

The ETA3425S2F is a compact, low-power real-time clock (RTC) primarily used in applications such as consumer electronics, wearable devices, industrial automation, and IoT systems. Its features support timekeeping in portable devices, data logging, and synchronization tasks in systems where accurate time is critical. Additionally, it can be employed in smart home technologies and automotive applications for various timing functions.

Equivalent

The ETA3425S2F chip is commonly used for power management in various applications. Equivalent products include the AIC1863, TPS62060, and MP1584. It is advisable to check their specific features and compatibility to ensure they meet your circuit requirements. Always consult datasheets for detailed specifications.