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ACE707A bảng dữ liệu(PDF) 7 Page - ACE Technology Co., LTD. |
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ACE707A bảng dữ liệu(HTML) 7 Page - ACE Technology Co., LTD. |
7 / 9 page ACE707A Technology Micro Power Step-up DC-DC Converter VER 1.2 7 The ACE707A contain additional circuitry to provide protection during start-up or under short-circuit conditions. When the FB pin voltage is lower than approximately 0.6V, the switch off-time is increased to 1.5μs and the current limit is reduced to about 250mA (70mA for ACE707A). This reduces the average inductor current and helps to minimize the power dissipation in the ACE707A power switch, in the external inductor and in the diode. The SHDN pin can be used to turn off the ACE707A and reduce the IQ to less than 1μA. In shutdown mode the output voltage will be a diode drop below the input voltage. Typical Application Vin L1 D1 Vout 2.5V to 4.2V 10uH SS14 20V R1 2M C1 Vin SW C2 4.7 uF ACE707A 1uF RLOAD SHEN FB GND R2 130K C1, C2: X5R or X7R Ceramic Capacitor L1: SUMIDA CDRH4D16FB/NP-100MC or Equivalent Figure 11. ACE707A Typical Application in LCD/OLED Bias Supply ACE707A C1, C2, C3: X5R or X7R Ceramic Capacitor L1: SUMIDA CDRH4D16FB/NP-100MC or Equivalent Figure 12. ACE707A Typical Application in 1 or 2 Cells to 3.3V Boost Converter |
Số phần tương tự - ACE707A |
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Mô tả tương tự - ACE707A |
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