Richtek

RT6212A/RT6212B

2A, 18V, 500kHz, ACOT® 降壓型轉換器

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RT6212A/B 為高效率的DC-DC單片式同步整流轉換器，輸入電壓範圍從4.5V至18V，輸出電流至2A。RT6212A/B的採用的ACOT架構可增進暫態響應的表現並固定操作頻率。逐週期形式的限流機制可在輸出短路時提供電路保護作用，緩啟動機制則可消除啟動瞬間的輸入電流湧浪的問題。此外RT6212A/B提供輸出低電壓保護、輸出過電流與過熱關機保護功能。

應用

機上盒
可攜式電視
路由器
DSL 解調器
LCD 電視

Datasheet
Title	Version	Last Update	Download
RT6212A/RT6212B: 2A, 18V, 500kHz, ACOT® 降壓型轉換器	V8.0	2018/09/07

Technical Documents
Title	Item Type	Last Update	Download
立錡精選產品 Product Tree 手冊 [Aug., 2023]	Selection Guide	2023/08/07
The Calculation of Output DC Offset for ACOT™ Control Buck Converter with Feed-forward Compensator	App. Note	2015/12/03
ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters [Oct., 2015]	Selection Guide	2015/10/02
降壓轉換器的選擇標準	App. Note	2015/05/01
降壓轉換器架構之比較	App. Note	2015/01/01
ACOT^® 穩定度測試	App. Note	2013/11/01

Videos
Title	Last Update	Views
如何使用簡單工具對電源轉換器的穩定性進行測試評估?	2017/03/30	654

Evaluation Boards
Title	Last Update	Download
2A, 18V, 500kHz, ACOT™ Step-Down Converter	2017/09/04

Reference Design
Title	Last Update	Download
立錡負載暫態量測工具	2018/11/01

Design Tool
Title	Type	Last Update	Download
Richtek Designer™ Web Simulation Tool : RT6212AHGJ6F	URL	2026/01/09
Richtek Designer™ Web Simulation Tool : RT6212BHGJ6F	URL	2026/01/09

Part Number	Package Type	Package Qty.	Distributor	Stock	Buy From Authorized Distributor
RT6212AHGJ6F	TSOT-26(FC)	3,000	Digikey	8,664	Buy
RT6212AHGJ6F	TSOT-26(FC)	3,000	Digikey	2,856	Buy
RT6212BHGJ6F	TSOT-26(FC)	3,000	Digikey	374	Buy
RT6212BHGJ6F	TSOT-26(FC)	3,000	Digikey	2,860	Buy
RT6212BHRGJ6F	TSOT-26(FC)	3,000	Digikey	0	Lead-Time: 14 weeks
RT6212BHRGJ6F	TSOT-26(FC)	3,000	Digikey	2,990	Buy

Evaluation Board
Part Number	Distributor	Stock	Buy From Authorized Distributor
EVB_RT6212AHGJ6F	Digikey	4	Buy
EVB_RT6212AHGJ6F	Mouser	0	Lead-Time: 14 weeks

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Related Products
Title	Download
RT6212C/RT6212D: 2A, 18V, 800kHz, ACOT® 降壓型轉換器