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RT8290

Richtek
Part Number RT8290
Manufacturer Richtek
Description 340kHz Synchronous Step-Down Converter
Published Jan 28, 2013
Detailed Description RT8290 3A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8290 is a high efficiency synchronous s...
Datasheet PDF File RT8290 PDF File

RT8290
RT8290

Overview
RT8290 3A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8290 is a high efficiency synchronous step-down DC/DC converter that can deliver up to 3A output current from 4.
5V to 23V input supply.
The RT8290's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors.
Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up.
The RT8290 also provides output under voltage protection and thermal shutdown protection.
The low current (<3μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems.
The RT8290 is awailable in an SOP-8 (Exposed Pad) package.
Features z z z z z z z z z z z z z z z z 4.
5V to 23V Input Voltage Range 1.
5% High Accuracy Feedback Voltage 3A Output Current Integrated N-MOSFET Switches Current Mode Control Fixed Frequency Operation : 340kHz Output Adjustable from 0.
925V to 20V Up to 95% Efficiency Programmable Soft-Start Stable with Low-ESR Ceramic Output Capacitors Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Output Under Voltage Protection Thermal Shutdown Protection Thermally Enhanced SOP-8 (Exposed Pad) Package RoHS Compliant and Halogen Free Applications z z z z z Industrial and Commercial Low Power Systems Computer Peripherals LCD Monitors and TVs Green Electronics/Appliances Point of Load Regulation of High-Performance DSPs, FPGAs and ASICs.
Ordering Information RT8290 http://www.
DataSheet4U.
net/ Package Type SP : SOP-8 (Exposed Pad-Option 1) Lead Plating System G : Green (Halogen Free and Pb Free) Z : ECO (Ecological Element with Halogen Free and Pb free) Pin Configurations (TOP VIEW) BOOT VIN SW GND 2 3 4 8 SS EN COMP FB Note : Richtek products are : ` GND 9 7 6 5 RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-f...


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