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RT6203B是適應性導通時間模式的同步Buck轉換器。RT6203B的主要控制迴路使用適應性導通時間模式控制,無需外部元件即可提供極快速瞬態響應。RT6203B的VIN 輸入範圍為4.5V至18V。在初始供電後,輸出電壓可以通過I2C相容的VID控制總線發送的編碼到IC進行更改。此外,提供特殊的代碼可用於編程電流限制閥值和過熱關斷閥值,關機和啟動也可以透過特殊代碼進行編程。本產品還具有可調節的軟啟動時間。輸出電壓可通過FB引腳的分壓電阻在0.8V至8V之間調整。
VID控制範圍通過I2C相容介面:0.72V 至 1.48V in 10mV Steps
可調整的電流限制
可調整的過熱關機機制
快速瞬態響應
0.8V至8V可調整的輸出電壓
固定700kHz切換頻率
針對所有陶瓷電容進行優化
外部可調整、預偏置相容的軟啟動
輸入欠壓鎖定
輸出過壓和欠壓保護
電源良好指示
過熱關機保護
符合RoHS規範,不含鹵素
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