1pc Tiny 4.5 - 28V / 3A DC-DC Buck Converter Step-down Power Regulator MP1584EN

Description

Tiny 4.5 - 28V / 3A DC-DC Buck Converter Step-down Power Regulator MP1584EN
Description
The MP1584 is a high frequency step-down
switching regulator with an integrated internal
high-side high voltage power MOSFET. It
provides 3A output with current mode control for
fast loop response and easy compensation.
The wide 4.5V to 28V input range accommodates
a variety of step-down applications, including
those in an automotive input environment. A
100µA operational quiescent current allows use in
battery-powered applications.
High power conversion efficiency over a wide
load range is achieved by scaling down the
switching frequency at light load condition to
reduce the switching and gate driving losses.
The frequency foldback helps prevent inductor
current runaway during startup and thermal
shutdown provides reliable, fault tolerant
operation.
By switching at 1.5MHz, the MP1584 is able to
prevent EMI (Electromagnetic Interference) noise
problems, such as those found in AM radio and
ADSL applications.
The MP1584 is available in a thermally enhanced
SOIC8E package.
Features
Wide 4.5V to 28V Operating Input Range
Programmable Switching Frequency from
100kHz to 1.5MHz
High-Efficiency Pulse Skipping Mode for
Light Load
Ceramic Capacitor Stable
Internal Soft-Start
Internally Set Current Limit without a
Current Sensing Resistor
Specifications
IC Chip: Monolithic Power Systems (MPS) MP1584EN
Input Voltage: 4.5V to 28V
Output Voltage: 0.8V to 20V
Output Current: 1.8 A typical (3.0 Max)
Output Ripple Frequency: 340 KHz
Ripple Voltage: 30mV
Output Accuracy: +/- 0.5%
Dimensions: 1.7 x 1.7 x 0.4 cm
Operating Temperature: -50 ~ +85 deg. C
Package include
1 x
Tiny 4.5 - 28V / 3A DC-DC Buck Converter Step-down Power Regulator MP1584EN
Shipping
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