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ML3406 - Synchronous Step-Down DC-DC Controller

Description

The ML3406 is a high efficiency monolithic synchronous step-down 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 during operation is only 20µA and drops to ≤1µA in shutdown.

Features

  • 2.5V to 5.5V Input Voltage Range 600mA Output Current 1.5MHz Constant Frequency Operation Low Quiescent Current: Only 20µA During Operation High Efficiency: Up to 96% Low Dropout Operation:100% Duty Cycle No Schottky Diode Required 0.6 V Reference Allows Low Output Voltages Shutdown Mode Draws ≤ 1µA Supply Current Current Mode Operation for Excellent Line and Load Transient Response Over temperature Protected Mini Package SOT-23-5L.

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Datasheet preview – ML3406

Datasheet Details

Part number ML3406
Manufacturer MDC
File Size 759.58 KB
Description Synchronous Step-Down DC-DC Controller
Datasheet download datasheet ML3406 Datasheet
Additional preview pages of the ML3406 datasheet.

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Full PDF Text Transcription

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ML3406 ML3406 Synchronous Step-Down DC-DC Controller Vout=1.5V, 1.8V Iout=600mA f=1.5MHz Description The ML3406 is a high efficiency monolithic synchronous step-down 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 during operation is only 20µA and drops to ≤1µA in shutdown. The 2.5V to 5.5V input voltage range makes the ML3406 ideally suited for single LI-Ion battery-powered applications. 100% duty cycle provides low dropout operation extending battery life in portable systems. Automatic Burst Mode operation increases efficiency at light loads, further extending battery life. Switching frequency is internally set at 1.
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