450 kHz Synchronous Rectified Step-Down Converter
Description
2-2.
5A, 23V, 450 kHz Synchronous Rectified Step-Down Converter
MXT2482SX/A
DESCRIPTION
The MXT2482SX is amonolithic synchronous buck regulator.
The device integrates 150mΩ MOSFETS that provide 2A continuous load current over a wide operating input voltage of 4.
5 to 23V.
Current mode control provides fast transient response and cycle-by-cycle current limit.
An adjustable soft-start prevents inrush current at turn-on.
In shutdown mode, the supply current drops below 1µA.
This device, available in an 8-pin SOIC package, provides a very compact system solution with minimal reliance on external components.
PACKAGE REFERENCE FEATURES
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• 2-2.
5A Output Current • Wide 4.
5-23V Operating Input Range • Integrated 150mΩ Power MOSFET Switches • Output Adjustable from from 0.
925 to 20V • Up to 95% Efficiency • Programmable Soft-Start • Stable with Low ESR Ceramic Output Capacitors • Fixed 450KHz Frequency • Cycle-by-Cycle Over Current Protection • Input Under Voltage Lockout • Thermally Enhanced 8-Pin SOIC/SOIC-E Package
APPLICATIONS
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• Distributed Power Systems • Networking Systems • FPGA, DSP, ASIC Power Supplies • Green Electronics/ Appliances • Notebook Computers
1/1
Free Datasheet http://www.
datasheet4u.
com/
2-2.
5A, 23V, 450 kHz Synchronous Rectified Step-Down Converter
MXT2482SX/A
MXT2482SX MXT2482SX MXT2482SX
MXT2482SX
MXT2482SX MXT2482SX MXT2482SX
MXT2482SXA
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage (VIN).
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-0.
3V to 26V Switch Voltage (VSW).
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–1V to VIN + 0.
3V Bootstrap Voltage (VBS) .
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Vsw-0.
3V to VSW + 6V Enable/UVLO Voltage (VEN).
–0.
3V to +6V Comp Voltage (VCOMP) .
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–0.
3V to +6V Feedback Voltage (VFB) .
–0.
3V to +6V Junction Temperature .
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+150°C Lead Temperature .
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+260°C Storage Temperature.
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–55°C to +150°C
(2)
MXT2482SX
Recommended Operating Conditions
Input Voltage (VIN) .
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