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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADP1047 데이터시트(PDF) 71 Page - Analog Devices |
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ADP1047 데이터시트(HTML) 71 Page - Analog Devices |
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71 / 84 page  Data Sheet ADP1047/ADP1048 Rev. 0 | Page 71 of 84 INRUSH SET REGISTER Table 107. Register 0xFE2E—Inrush Set Bits Bit Name R/W Description [7:5] RSVD R Reserved. [4:3] Timer R/W These bits set the timer for the VIN_LOW flag measurement. Bit 4 Bit 3 Timer 0 0 Quarter line cycle 0 1 Half line cycle 1 0 2 ms 1 1 4 ms [2:0] Inrush delay time R/W These bits set the inrush signal delay time after the BROWN_OUT flag goes low. Bit 2 Bit 1 Bit 0 Number of Full AC Line Cycles 0 0 0 0 0 0 1 1 0 1 0 2 0 1 1 3 1 0 0 4 1 0 1 5 1 1 0 6 1 1 1 7 FAST_OVP_FAULT_RISE REGISTER Table 108. Register 0xFE2F—FAST_OVP_FAULT_RISE Bits Bit Name R/W Description 7 RSVD R Reserved. [6:0] Fast OVP rise threshold R/W These bits set the rising threshold for the analog comparator at the OVP pin input as follows: OVP threshold = (Code × 0.492/128) + 1. This threshold is programmable from 1 V to 1.5 V. Each LSB increments the threshold by 3.844 mV. A value of 0x00 corresponds to a 1 V threshold; a value of 0x3F corresponds to a 1.492 V threshold. FAST_OVP_FAULT_FALL REGISTER Table 109. Register 0xFE30—FAST_OVP_FAULT_FALL Bits Bit Name R/W Description 7 RSVD R Reserved. [6:0] Fast OVP fall threshold R/W These bits set the falling threshold for the analog comparator at the OVP pin input as follows: OVP threshold = (Code × 0.492/128) + 1. This threshold is programmable from 1 V to 1.5 V. Each LSB increments the threshold by 3.844 mV. A value of 0x00 corresponds to a 1 V threshold; a value of 0x3F corresponds to a 1.492 V threshold. FAST OVP DEBOUNCE TIME SETTING REGISTER Table 110. Register 0xFE31—Fast OVP Debounce Time Setting Bits Bit Name R/W Description [7:2] RSVD R Reserved. [1:0] OVP debounce time R/W These bits set the fast OVP debounce time. Bit 1 Bit 0 Time 0 0 120 ns 0 1 240 ns 1 0 480 ns 1 1 640 ns |
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