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RT8293A

Richtek
Part Number RT8293A
Manufacturer Richtek
Description 340kHz Synchronous Step-Down Converter
Published Jan 28, 2013
Detailed Description RT8293A 3A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8293A is a high efficiency, monolithic...
Datasheet PDF File RT8293A PDF File

RT8293A
RT8293A

Overview
RT8293A 3A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8293A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.
5V to 23V input supply.
The RT8293A'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 RT8293A 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 RT8293A is available in an SOP-8 (Exposed Pad) package.
Features z z z z z z z z z z z z z z z ±1.
5% High Accuracy Feedback Voltage 4.
5V to 23V Input Voltage Range 3A Output Current Integrated N-MOSFET Switches Current Mode Control Fixed Frequency Operation : 340kHz Output Adjustable from 0.
8V 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 RoHS Compliant and Halogen Free Ordering Information RT8293A 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) H : UVP Hiccup L : UVP Latch-Off Note : Richtek products are : ` Applications Wireless AP/Router Set-Top-Box z Industrial and Commercial Low Power Systems z LCD Monitors and TVs z Green Electronics/Appliances z Point of Load Regulation of High-Performance DSPs z z http://www.
DataSheet4U.
net/ Pin Configurations (TOP VIEW) BOOT VIN SW GND 2 3 4 8 RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
SS EN CO...


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