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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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XR79110 数据表(PDF) 7 Page - Exar Corporation |
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XR79110 数据表(HTML) 7 Page - Exar Corporation |
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7 / 20 page  © 2015 Exar Corporation XR79110 7 / 20 exar.com/XR79110 Rev 2A Functional Block Diagram Q Q R S Dead Time Control On-Time 1.9 V Hiccup Mode + - PGND FB VIN GH Minimum On Time Enable Hiccup OCP comparator Feedback comparator ESR emulation & DC correction PGOOD LDO VCC VCC GL VOUT BST VCC 50uA + - + - + - 3 V -2 mV SW Enable LDO CCM or CCM/DCM Zero Cross Detect If 8 consecutive ZCD Then DCM If 1 non-ZCD Then exit DCM Q Q R S AGND ILIM If four consecutive OCP VIN TON + - + - + - PGOOD comparator Short-circuit detection 0.555 V 0.36 V Switching Enabled 10uA + - Switching Enabled SS 0.6 V + - + - Switching Enabled Enable LDO VCC UVLO 4.25 V OTP 150 C TJ VCC TON Enable LDO PVIN L CBST 0.1uF PGND CIN 1uF PGND COUT 2.2uF SW FB 0.6V EN/ MODE |
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