ET3406 Datasheet High Efficiency Monolithic Synchronous Buck Regulator

Manufacturer: Etek Microelectronics

Overview: General .

Datasheet Details

Part number	ET3406
Manufacturer	Etek Microelectronics
File Size	218.46 KB
Description	High efficiency monolithic synchronous buck regulator
Datasheet	ET3406-EtekMicroelectronics.pdf

General Description

The ET3406 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version and fixed output voltages of 1.5V and 1.8V. Supply current drops to ≤1μA in shutdown. The 2.5V to 5.5V input voltage range makes the ET3406 ideally suited for single LiIon batterypowered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.6V feedback reference voltage.

Key Features

High Efficiency: Up to 96% 600mA Output Current 2.5V to 5.5V Input Voltage Range 1.5MHz Constant Frequency Operation No Schottky Diode Required Low Dropout Operation: 100% Duty Cycle Shutdown Mode Draws ≤ 1μA Supply Current Current Mode Operation for Excellent Line and Load Transient Response Over temperature Protected Package Model VFB VOUT Printing marks ET340606 0.6V 340606 ET3406R 0.6V 3406R ET340615 1.5V 340615 ET340618 1.8V 340618 ET340618Y 1.8V 340618.

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