Datasheet > ETA355E

ETA355E

更新时间： 2024-09-18 17:01:35

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
9页	668K
描述
I2C/5.5V/5A Sync. Buck

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ETA355E 数据手册

ETA355E

5A, I²C Controlled Output Synchronous Step-Down Converter

DESCRIPTION

FEATURES



I²C Dynamic Output Control

The ETA355E is a high-efficiency, DC-to-DC step-down

switching regulator, capable of delivering 5A load, up to

6.5A of pulse load. It integrates an I²C interface that

dynamically scales the output voltages on demand. The

DCDC control block belongs to a new breed of high

frequency synchronous Step-Down converter that

combines the advantages of voltage mode control and

Constant-On-Time control. Its adaptive Constant-On-

Synchronous High Efficiency up to 95%

Fast load transient response

Capable of Delivering 5A

Pulse Current capability 6.5A

Input OVP at 6.2V

No External Schottky Diode Needed

Thermal shutdown and UVLO

Time control dynamically changes switch on time to  CSP-20 (4x5) package

achieve a constant switching frequency. It does not have

the minimum on-time constrain normally a fixed-

frequency current mode Step-down requires, allowing it

APPLICATIONS



ARM based CPUs

Smart Phone

to go down to very low duty ratio without affecting loop

stability. The voltage mode nature also provides a more

superior load transient response and a seamless

transition from PFM to PWM modes. Cycle-by-cycle

current limit provides output short-circuit protection and

an input OVP function guards ETA355E against possible

input voltage surge. ETA355E is housed in a 2mm x

1.6mm CSP-20 Package.

Tablet, MID

Smart Set-Top Box, OTT

TYPICAL APPLICATION

0.33uH

V 2.6V to 5.5V

V_OUT

AVIN/PVIN

ETA355E

VSEL

SDA

22uF x2

10uF

10nF

I2C

SCL

AGND/PGND

Typical Application Circuit

PART No.

PACKAGE

TOP MARK

Pcs/Reel

ORDERING INFORMATION

355E

ETA355ECSU

CSP-20 (4x5)

3000

YWWL(Date Code)

www.etasolution.com

Empower Thinkers

12 3 4 5 6 7...9

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