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DFE252012F-R47M Datasheet(PDF) 83 Page - Analog Devices |
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DFE252012F-R47M Datasheet(HTML) 83 Page - Analog Devices |
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83 / 122 page  BITFIELD BITS TYPE DESCRIPTION DECODE M2_SSTRT _SR 2:0 O Buck Master2 Soft-Start Slew-Rate Setting 0x0 = 0.15mV/µs. 0x1 = 0.625mV/µs. 0x2 = 1.25mV/µs. 0x3 = 2.5mV/µs. 0x4 = 5.0mV/µs. 0x5 = 10mV/µs. 0x6 = 20mV/µs. 0x7 = 40mV/µs. M2_CFG3 (0x39) BIT 7 6 5 4 3 2 1 0 Field M2_BBRK[1:0] M2_ADIS10 0 M2_ADIS1 M2_FTRAK M2_REFRE SH M2_FSREN M2_FPWM Reset 0x0 0x1 0x0 0x0 0x0 0x1 0x0 Access Type Write, Read Write, Read Write, Read Write, Read Write, Read Write, Read Write, Read BITFIELD BITS TYPE DESCRIPTION DECODE M2_BBRK 7:6 O Buck Master2 Body-Braking Control Setting 0x0 = Disable. 0x1 = Body braking for 8μs. 0x2 = Body braking for 8μs followed by FPWM for 8μs. 0x3 = Reserved. M2_ADIS10 0 5 O Buck Master2 100Ω Active Discharge 0x0 = Disable. 0x1 = Enable. M2_ADIS1 4 O Buck Master2 1Ω Active Discharge: Note that 1Ω active discharge must be disabled when falling slew-rate function of corresponding output is disabled (M2_FSREN = 0). 0x0 = Disable. 0x1 = Enable (Active for 1ms after soft- stop is completed). M2_FTRAK 3 O Buck Master2 Internal Frequency Tracking Control 0x0 = Disable. 0x1 = Enable. M2_REFRE SH 2 O Buck Master2 Bootstrap Refresh Interval Control 0x0 = 128μs. 0x1 = 10μs. M2_FSREN 1 O Buck Master2 Falling Slew-Rate Control 0x0 = Disable (buck does not sink current from COUT in skip or LP-skip mode). 0x1 = Enable (buck operates in FPWM mode to sink current from COUT when its VOUT(TARGET) is lower than the actual VOUT). M2_FPWM 0 O Buck Master2 Forced-PWM Control 0x0 = Disable (automatic skip mode operation under light load condition). 0x1 = Enable (OR logic with FPWM_M2 input). M2_CFG4 (0x3A) BIT 7 6 5 4 3 2 1 0 Field M2_SS_ENV[1:0] M2_SS_FREQ[1:0] M2_SSM_PAT[1:0] M2_FREQ[1:0] Reset 0x0 0x0 0x0 0x1 Access Type Write, Read Write, Read Write, Read Write, Read MAX77542 16VIN/16A, Quad-Phase High-Efficiency Buck Converter www.analog.com Analog Devices | 83 |
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