參數(shù)資料
型號(hào): TPS65170RHDT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-28
文件頁(yè)數(shù): 9/35頁(yè)
文件大?。?/td> 4698K
代理商: TPS65170RHDT
www.ti.com
SLVSA27 – OCTOBER 2009
Figure 25. Buck Converter Internal Block Diagram
Figure 26. Buck Converter Application Circuit
PROTECTION (BUCK CONVERTER)
To protect against short circuit conditions, the buck converter automatically limits its output current when the
voltage applied to its FBB pin is less than 400mV. Normal operation is resumed as soon as the feedback voltage
exceeds 400mV.
Note: since the negative charge pump is driven from its switch node, a short circuit condition on the buck
converter's output will also cause the loss of VGL until the short circuit is removed.
Copyright 2009, Texas Instruments Incorporated
17
Product Folder Link(s) :TPS65170
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