5V2A降压ic ETA8121无缝替换SY8121

28V, 2A, Forced PWM Synchronous Step-Down Converter in SOT23-6

DESCRIPTION

FEATURES

ETA8121 is a wide input range, high-efficiency and

high frequency DC-to-DC step-down switching

regulator, capable of delivering up to 2A of output

current. With a fixed switching frequency of 1MHz,

this current mode PWM controlled converter allows

the use of small external components, such as

ceramic input and output caps, as well as small

inductors. ETA8121 also employs a forced PWM

control scheme, thereby ensuring the minimum

ripple voltage. Its input can withstand a voltage

surge as high as 30V, making it an ideal solution

for industrial applications such as Surveillance

Camera, LCD TV, Set Top Box, etc.

ETA8121 is available in SOT23-6 package.

 Wide Input Range: 4.2V-28V

 Forced PWM control

 1MHz switching frequency

 Capable of Delivering 2A

 No External Compensation Needed

 Current Mode Control

 Thermal Shutdown and UVLO

 Excellent Load and Line Transient Response

 Available in SOT23-6 Package

APPLICATIONS

 Surveillance Camera

 Set Top Box

 LCD TV