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OKDL-T Datasheet(PDF) 5 Page - Murata Power Solutions Inc. |
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OKDL-T Datasheet(HTML) 5 Page - Murata Power Solutions Inc. |
5 / 31 page Characteristics Conditions Min Typ Max Unit V OL Logic output low signal level SCL, SDA, SYNC, SALERT, PG Sink/source current = 4 mA 0.4 V V OH Logic output high signal level 2.8 V I OL Logic output low sink current 4mA I OH Logic output high source current 4mA V IL Logic input low threshold SCL, SDA, CTRL, SYNC 0.8 V V IH Logic input high threshold 2 V I IL_CTRL Logic input low sink current CTRL 0.5 mA I I_LEAK Logic leakage current SCL, SDA, SYNC, SALERT, PG 10 uA f SMB SMBus Operating frequency 400 kHz T BUF SMBus Bus free time STOP bit to START bit See section SMBus – Timing 1.3 μs t set SMBus SDA setup time from SCL 100 ns t hold SMBus SDA hold time from SCL 300 ns SMBus START/STOP condition setup/hold time from SCL 600 ns T low SCL low period 1.3 μs T high SCL high period 0.6 μs Initialization time From V I > VUVLO to ready to be enabled 23 ms Soft-start On Delay Time Note 5 Delay duration 10 ms Delay duration range PMBus configurable TON_DELAY 1-145 ms Delay set resolution 0.6 ms Delay set accuracy TON_DELAY value sent versus read- back ±0.5 x Delay set resolution ms Delay accuracy Actual delay duration versus TON_DE- LAY read-back ±0.8 ms Soft-start Rise Time (0-100% of V O) Note 5 Ramp duration 10 ms Ramp duration range PMBus configurable TON_RISE 1 - (255 x Ramp set resolution) ms Ramp set resolution Varies with V O 0.4 1 ms Ramp set accuracy TON_RISE value sent versus read-back ±0.5 x Ramp set resolution ms Ramp time accuracy Actual ramp duration versus TON_RISE read-back ±10 μs Compensation Calibration Signal duration 5ms Signal level V O = 0.6 V 3.5 % V O V O = 1.2 – 3.3 V 2.5 V O = 5.0 V 2 Power Good , PG PG threshold Rising 90 % V O Falling 85 % V O Tracking mode See section Voltage Tracking 450 mV PG thresholds range (Non-tracking only) PMBus configurable POWER_GOOD_ON POWER_GOOD_OFF 0 100 % V O PG delay Enabled compensation calibration (default) From V O reaching target to PG assertion 11 ms Tracking mode See section Voltage Tracking 20 ms PG delay Disabled compensation calibration From V O reaching PG rising threshold to PG assertion 0ms Tracking mode See section Voltage Tracking 20 ms Tracking Input Voltage Range CS_VTRK pin Note 6 0 1.2 V Tracking Accuracy -100 100 mV OKDL-T/12-W12-xxx-C 12A Digital PoL DC-DC Converter Series MDC_OKDL-T/12-W12-xxx-C.A02 Page 5 of 31 www.murata-ps.com/support |
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