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Richtek RT6278 | Demoboard EVB_ RT6278BHGQUF-00
23V, 8A, 500kHz ACOTTM Synchronous Step-Down Converter
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-23 V |
| Output 1 | 3.3 V / 8 A |
| IC revision | EVB_ RT6278BHGQUF-00 |
Description
The RT6278B is an advanced constant on-time (ACOT™) mode synchronous buck converter. The main control loopof the RT6278B using an advanced constant on-time (ACOT™) mode control which provides a very fast transientresponse. The RT6278B operates from 4.5V to 23V input voltage, the output voltage can be programmed between0.6V to 5.1V.EVB_ RT6278BHGQUF-00
Features
Input Voltage Range : 4.5V to 23V 8A Output Current ACOT™ Mode Performs Fast Transient Response ACOT™ Architecture to Enable All MLCC Output Capacitor Usage Fixed 500kHz Switching Frequency High Efficient Internal Power MOSFET Switch 24mΩ (High-Side) and 12mΩ (Low-Side) Adjustable Output Voltage from 0.6V to 5.1V Pre-biased Soft-Start Cycle-by-Cycle Over-Current Protection Input Under-Voltage Lockout Thermal Shutdown Protection Output Over/Under-Voltage Protection
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 1.5 µH, 18 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.5 µH | Performance Rated Current18 A | Saturation Current @ 10%6.5 A | Saturation Current @ 30%17 A | DC Resistance5.3 mΩ | Self Resonant Frequency63 MHz | MaterialWE-PERM |