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EML3022 Datasheet Preview

EML3022 Datasheet

Synchronous Step-Down Regulator

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ESMT/EMP
Preliminary
EML3022
Dual Channel 1A, Synchronous Step-Down Regulator
General Description
EML3022 is designed with high efficiency step down
DC/DC converter and supports dual channel for
portable devices applications. It features with
extreme low quiescent current with no load which is
the best fit for extending battery life during the
standby mode.
The device operates from 2.5V to 5.5V input voltage
and up to 1A output current capability. High 1.5MHz
internal frequency makes small surface mount
inductors and capacitors possible and reduces
overall PCB board space. Further, build-in
synchronous switch makes external Schottky diode is
no longer needed and efficiency is improved.
EML3022 is designed base on Pulse Width
Modulation (PWM) for low output voltage ripple and
fixed frequency noise, while Pulse Frequency
Modulation (PFM) is used to improve light load
efficiency, and Low Dropout (LDO) Mode provides
100% duty cycle operation. Low reference voltage is
designed for achieving regulated output down to
0.6V.
The device is available in an adjustable version in
E-SOP-8L package.
Features
g Achieve 97% efficiency
g Input Voltage : 2.5V to 5.5V
g Output Current up to 1A
g Reference voltage 0.6V
g Quiescent Current 30μA with No Load
g Internal switching frequency 1.5MHz
g No Schottky Diode needed
g Low Dropout Operation: 100% Duty Cycle
g Shutdown current < 1μA
g Excellent Line and Load Transient Response
g Over-temperature Protection
Applications
g Blue-Tooth devices
g Cellular and Smart Phones
g Personal multi-media Player (PMP)
g Wireless networking
g Digital Still Cameras
g Portable applications
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Sep. 2010
Revision: 0.2
1/14




Elite Semiconductor

EML3022 Datasheet Preview

EML3022 Datasheet

Synchronous Step-Down Regulator

No Preview Available !

ESMT/EMP
Typical Application
Preliminary
EML3022
Package Configuration
Fig. 1
EML3022-00SE08NRR
00 Adjustable
SE08 E-SOP-8L Package
NRR RoHS & Halogen free package
Commercial Grade Temperature
Rating: -40 to 85°C
Package in Tape & Reel
E-SOP-8L
Order, Mark & Packing information
Package Vout(V)
Product ID
Marking
Packing
E-SOP-8L adjustable EML3022-00SE08NRR
Tape & Reel
3K units
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Sep. 2010
Revision: 0.2
2/14


Part Number EML3022
Description Synchronous Step-Down Regulator
Maker Elite Semiconductor
PDF Download

EML3022 Datasheet PDF





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