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发布者:来自网络 发布时间:2016-12-30 阅读:494次    关键字: DC-DC
EML3191-5A,36V,1.5MHz Step-Down Converter


EML3191-5A,36V,1.5MHz Non-synchronous Step-Down Converter DataSheet

General Description
The EML3191 is frequency adjustable, 5A,
current-mode step-down converter with an
integrated high-side switch. The EML3191 operates
with the wide input voltage from 4.5V to 36V and
provides an adjustable output voltage from 0.808V
to 30V. The EML3191 features a PWM mode
operation with up to 1.5MHz adjustable switching
frequency. The EML3191 also provides a highly
efficient solution with current mode control for fast
loop response and easy compensation. The
EML3191 automatically enters PSM mode at light
load.
Cycle-by-cycle current limiting and thermal
shutdown are provided for fault condition
protections. An internal 2ms soft-start design reduces
input start-up current and prevents the output
voltage and inductor current from overshooting
during power-up.
The EML3191 is available in E-SOP-8L with thermally
enhanced package.

Features
4.5V to 36V Input Voltage Range
5A Continuous Output Current
65mΩ Internal Power MOSFET Switch
Output Adjustable from 0.808V
Up to 1.5MHz Adjustable Switching Frequency
Cycle-by-Cycle Current Limit, Frequency Fold
Back and thermal shutdown
Stable with Low ESR Output Ceramic
Capacitors
2ms Internal Soft-Start
Thermally Enhanced E-SOP-8L Package

Applications
12V and 24V Distributed Power Systems
Battery Powered Systems
Industrial Power Systems
LCD and Plasma TVs
Automotive Systems

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