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RT6206A

Richtek
Part Number RT6206A
Manufacturer Richtek
Description Synchronous Step-Down Converter
Published Apr 23, 2016
Detailed Description ® RT6206A 5.5A, 18V, 650kHz, ACOTTM Synchronous Step-Down Converter General Description The RT6206Ais a synchronous st...
Datasheet PDF File RT6206A PDF File

RT6206A
RT6206A

Overview
® RT6206A 5.
5A, 18V, 650kHz, ACOTTM Synchronous Step-Down Converter General Description The RT6206Ais a synchronous step-downDC/DC converter with Advanced Constant On-Time (ACOTTM) mode control.
It achieves high power density to deliver up to 5.
5A output current from a 4.
5V to 18V input supply.
The proprietary ACOTTM mode offers an optimal transient response over a wide range of loads and all kinds of ceramic capacitors, which allows the device to adopt very low ESR output capacitor for ensuring performance stabilization.
In addition, RT6206A keeps an excellent constant switching frequency under line and load variation and the integrated synchronous power switches with the ACOTTM mode operation provides high efficiency in whole output current load range.
Cycle-by-cycle current limit provides an accurate protection by a valley detection of low side MOSFET and external soft-start setting eliminates input current surge during startup.
Protection functions include thermal shutdown for RT6206A.
The RT6206A are available in the SOP-8 (Exposed Pad) and WDFN-10L 3x3 packages.
Ordering Information RT6206A Package Type SP : SOP-8 (Exposed Pad-Option 2) QW : WDFN-10L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) UVP Trim Operation H : Hiccup Features z ACOTTM Mode Enables Fast Transient Response z 4.
5V to 18V Input Voltage Range z 5.
5A Output Current z 35mΩ Internal Low Side N-MOSFET z Advanced Constant On-Time Control z Support All Ceramic Capacitors z Up to 95% Efficiency z Adjustable Output Voltage from 0.
765V to 8V z Adjustable Soft-Start z Cycle-by-Cycle Current Limit z Input Under-Voltage Lockout z Thermal Shutdown z RoHS Compliant and Halogen Free Applications z Industrial and Commercial Low Power Systems z Computer Peripherals z LCD Monitors and TVs z Green Electronics/Appliances z Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs Note : Richtek products are : ` RoHS compliant and compatible with the current requirements of...


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