EVB_RT6250BHGQUF: 3.3V @ 10A, 4.5 ~ 18Vin

Summary

The EVB_RT6250BHGQUF is an advanced constant on-time (ACOT™) mode synchronous buck converter. The main control loop of the RT6250B using an advanced constant on-time (ACOT™) mode control which provides a very fast transient response. The RT6250B operates from 4.5V to 18V input voltage, the output voltage can be programmed between 0.6V to 5.1V.

Product Features:

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 20m? (High-Side) and 10m? (Low-Side)
Adjustable Output Voltage from 0.6V to 5.1V EVB_RT6250BHGQUF

Specifications

Manufacturer	Richtek USA Inc.
Category	AC/DC and DC/DC Conversion
Sub-Category	DC/DC SMPS - Single Output
Eval Board Part Number	EVB_RT6250BHGQUF-ND
Eval Board Supplier	Richtek USA Inc.
Eval Board	Board not Stocked
Topology	Step Down
Outputs and Type	1 Non-Isolated
Voltage Out: Factory Set	3.3 V
Current Out	10 A
Voltage In	4.5 ~ 18 V
Efficiency @ Conditions	>95%, 12V in, 5V @ 2 ~ 8 A >90%, 12V in, 3.3V @ 1 ~ 8 A >87%, 12V in, 1.8V @ 1 ~ 6 A >85%, 12V in, 1.2V @ 1 ~ 8 A >80%, 12V in, 1V @ 1 ~ 10 A
Voltage Out Range	0.6 ~ 5.1 V
Features	Current Limit (Adj. or Fixed) Over Voltage Protection Soft Start Thermal Protection Under Voltage Protection, Brown-Out
Switching Frequency	500 kHz
Standby Current [Typical]	5 µA
Quiescent Current [Typical]	130 µA
Component Count + Extras	22 + 21
Internal Switch	Yes
Design Author	Richtek USA Inc.
Application / Target Market	Computers LCD TV / Monitor Networking Point of Load (PoL) Power: Industrial Power White Goods
Standby Current [Maximum]	10 µA
Quiescent Current [Maximum]	- Not Given
Main I.C. Base Part	RT6250B
Date Created By Author	2017-09
Date Added To Library	2022-06