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AME5285 Datasheet PDF

AME AME5285

The AME5285 is a Synchronous Rectified Step-Down Converter with internal power MOSFETs. It achieves 5A continous output current over a wide switching frequency range with excellent load and line regulation. The circuit protection includes cycle-by cycle current limiting, output short circuit frequency protection and thermal shutdown.
Part No. AME5285
Datasheet AME5285 Download
Manufacturer
AME
Description Rectified Step-Down Converter
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AME5285 datasheet page 1 preview

GENERAL DESCRIPTION

Current mode operation provides fast transient response and eases of loop stabilization. Internal soft-start minimizes the inrush supply current at startup. This device is available in SOP-8/PP package with exposed pad for low thermal resistance. n

FEATURES

l 5A Output Current l 55mΩ/45mΩ Internal Power MOSFET Switch l Stable with Low ESR Output Ceramic Capacit -ors l Up to 95% Efficiency l Less than 10µA Shutdown Current l Wide Switching Frequency Range from 300KHz~1.4MHz l Thermal Shutdown l Cycle by cycle Over Current Protection and Hiccup l Output Adjustable from 0.8V to VIN l Short Circuit Frequency Protection l Green Products Meet RoHS Standards n

APPLICATIONS

l TV l Distributed Power Systems l Pre-Regulator for Linear Regulators n Typical Application VIN 5V CIN 10µF IN SW EN OFF ON AME5285 C2 Optional C1 680pF R3 5.1K COMP FB GND FREQ RFREQ 30K L1 1.5µH R1 6K R2 24K VOUT 1V 5A COUT 22µF Rev. B.01 1 AME AME5285 n Functional Block Diagram 5A, 300KHz ~ 1.4MHz Sy...
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