參數(shù)資料
型號(hào): HT77XXA
廠商: Holtek Semiconductor Inc.
英文描述: PFM Step-up DC/DC Converter
中文描述: PFM步升直流/直流轉(zhuǎn)換器
文件頁(yè)數(shù): 8/18頁(yè)
文件大小: 365K
代理商: HT77XXA
Application Circuits
Without CE Pin
With CE Pin
Note:
For the SOT-25 package, when CE is pulled low, the internal blocks of the device, such as the reference band
gap, gain block, and all feedback and control circuitry will be switched off. The boost converter s output, V
OUT
,
will be at a value one Schottky diode voltage drop below the input voltage and the LX pin remains in a high im-
pedance condition. The output capacitor and load at V
OUT
determine the rate at which V
OUT
decays.
HT77XXA
Rev 1.10
8
September 26, 2007
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