Datasheet > ETA3526

ETA3526

更新时间： 2024-09-18 17:01:47

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
9页	722K
描述
6V/2A Sync. Buck

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ETA3526 数据手册

ETA3526

2MHz, 2A, COT Synchronous Step-down Converter in SOT563

DESCRIPTION

FEATURES

The ETA3526 is a high-efficiency, DC-to-DC step-down

switching regulator, capable of delivering up to 2Aof output

current. The devices operate from an input voltage range

of 2.5V to 6.0V and provide output voltages from 0.6V to

VIN, making the ETA3526 ideal for low voltage power

conversions. ETA3526 adopts an adaptive COT control

scheme that enables very fast transient response and

provides a very smooth transition when the output varies

from light load to heavy load. During light load, ETA3526

goes into a PFM mode that saves switching loss to achieve

a high efficiency. The adaptive COT control also maintains

a constant switching frequency across line and load.

Running at a fixed frequency of 2MHz allows the use of

small inductance value and low DCR inductors, thereby

achieving a higher efficiency. Other external components,

such as ceramic input and output caps, can also be small

due to higher switching frequency, while maintaining

exceptional low-noise output voltages. Internal soft-start

control circuitry reduces inrush current. Short-circuit and

thermal-overload protection improves design reliability

ETA3526 is available in a tiny SOT563 package.



Up to 95% Efficiency

Up to 2A Max Output Current

Adaptive COT Control

Ultra-fast Load Transient Response

2MHz Frequency

High Efficiency PFM Mode at Light Load

50uA Quiescent Current

1% Feedback Accuracy

Adjustable Output from 0.6V

Cycle-by-cycle Over Current Protection

Short Circuit Protection with Hiccup Mode

Stable with Low-ESR Output Ceramic Capacitors

Available in SOT563 Package

APPLICATIONS



LCD TV

Set Top Box

IP CAM

TYPICAL APPLICATION

OUT

1uH

VIN

VOUT

47pF

optional

10uF

ETA3526

GND

R1+R2

0.6(V)

Vout=

*R2 has to be between 1KOhm to 70KOhm

PART No.

PACKAGE

TOP MARK

Pcs/Reel

ORDERING INFORMATION

ETA3526FSG

SOT563

CJYW

5000

www.etasolution.com

Empower Thinkers

12 3 4 5 6 7...9

中文翻译

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