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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC2977 датащи(PDF) 39 Page - Linear Technology |
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LTC2977 датащи(HTML) 39 Page - Linear Technology |
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39 / 108 page  LTC3882-1 39 Rev A For more information www.analog.com PMBus COMMAND SUMMARY Table 7. PMBus Command Summary COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED DATA FORMAT UNITS NVM DEFAULT VALUE SEE PAGE VOUT_UV_WARN_LIMIT 0x43 VOUT undervoltage warning limit. R/W Word Y L16 V l 0.925V 0x0ECD 81 VOUT_UV_FAULT_LIMIT 0x44 VOUT undervoltage fault limit. R/W Word Y L16 V l 0.9V 0x0E66 81 VOUT_UV_FAULT_RESPONSE 0x45 VOUT undervoltage fault response. R/W Byte Y Reg l 0xB8 95 IOUT_OC_FAULT_LIMIT 0x46 Output overcurrent fault limit. R/W Word Y L11 A l 29.75A 0xDBB8 82 IOUT_OC_FAULT_RESPONSE 0x47 Output overcurrent fault response. R/W Byte Y Reg l 0x00 96 IOUT_OC_WARN_LIMIT 0x4A Output overcurrent warning limit. R/W Word Y L11 A l 20.0A 0xDA80 82 OT_FAULT_LIMIT 0x4F External overtemperature fault limit. R/W Word Y L11 °C l 100.0°C 0xEB20 85 OT_FAULT_RESPONSE 0x50 External overtemperature fault response. R/W Byte Y Reg l 0xB8 97 OT_WARN_LIMIT 0x51 External overtemperature warning limit. R/W Word Y L11 °C l 85.0°C 0xEAA8 85 UT_FAULT_LIMIT 0x53 External undertemperature fault limit. R/W Word Y L11 °C l –40.0°C 0xE580 86 UT_FAULT_RESPONSE 0x54 External undertemperature fault response. R/W Byte Y Reg l 0xB8 97 VIN_OV_FAULT_LIMIT 0x55 VIN overvoltage fault limit. R/W Word N L11 V l 15.5V 0xD3E0 78 VIN_OV_FAULT_RESPONSE 0x56 VIN overvoltage fault response. R/W Byte Y Reg l 0x80 94 VIN_UV_WARN_LIMIT 0x58 VIN undervoltage warning limit. R/W Word N L11 V l 6.3V 0xCB26 78 TON_DELAY 0x60 Delay from RUN pin or OPERATION ON command to TON_RISE ramp start. R/W Word Y L11 ms l 0.0ms 0x8000 83 TON_RISE 0x61 Time for VOUT to rise from 0.0V to VOUT_COMMAND after TON_DELAY. R/W Word Y L11 ms l 8.0ms 0xD200 83 TON_MAX_FAULT_LIMIT 0x62 Maximum time for VOUT to rise above VOUT_UV_FAULT_LIMIT after TON_DELAY. R/W Word Y L11 ms l 10.0ms 0xD280 84 TON_MAX_FAULT_RESPONSE 0x63 Fault response when TON_MAX_FAULT_ LIMIT is exceeded. R/W Byte Y Reg l 0xB8 98 TOFF_DELAY 0x64 Delay from RUN pin or OPERATION OFF command to TOFF_FALL ramp start. R/W Word Y L11 ms l 0.0ms 0x8000 84 TOFF_FALL 0x65 Time for VOUT to fall to 0.0V from VOUT_COMMAND after TOFF_DELAY. R/W Word Y L11 ms l 8.0ms 0xD200 84 TOFF_MAX_WARN_ LIMIT 0x66 Maximum time for VOUT to decay below 12.5% of VOUT_COMMAND after TOFF_FALL completes. R/W Word Y L11 ms l 150ms 0xF258 84 STATUS_BYTE 0x78 One-byte channel status summary. R/W Byte Y Reg 86 STATUS_WORD 0x79 Two-byte channel status summary. R/W Word Y Reg 87 STATUS_VOUT 0x7A VOUT fault and warning status. R/W Byte Y Reg 88 STATUS_IOUT 0x7B IOUT fault and warning status. R/W Byte Y Reg 87 STATUS_INPUT 0x7C Input supply fault and warning status. R/W Byte N Reg 88 |
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