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STM32WLE4JC 数据表(PDF) 73 Page - STMicroelectronics |
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STM32WLE4JC 数据表(HTML) 73 Page - STMicroelectronics |
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73 / 146 page  DS13105 Rev 9 73/146 STM32WLE5/E4xx Electrical characteristics 133 TXRMP PA ramping time Programmable 10 - 3400 µs TS_TX TX wakeup time Frequency synthesizer enabled - 36 + PA ramping - 1. For low-power PA, +15 dBm maximum RF output power can be reached with optimal settings. Table 31. Sub-GHz radio transmit mode specifications (continued) Symbol Description Conditions Min Typ Max Unit Table 32. Sub-GHz radio power management specifications Symbol Description Conditions Frequency (MHz) Unit 470 490 868 TRPOR Required POR reset pulse duration For VDD ≥ 1.8 V 50 100 - µs VEOLL End-of-life low-threshold voltage - 1.81 1.89 1.96 V VEOLH End-of-life high-threshold voltage - 1.86 1.94 2.1 VEOLD End-of-life hysteresis voltage VEOLH - VEOLL 50 53 56 mV VREG Main regulated supply LDO or SMPS over process, voltage and temperature range 1.47 1.55 1.62 V LDTRSMPS Load transient for ILSMPS 100 µA to 100 mA in 10 µs LDO running High BW mode - 25 - mV Low BW mode - 47 - ILSMPS SMPS load current - - - 100 mA IDDSMPS SMPS quiescent current SMPS high power, VDD = 3.3 V - 538 - µA SMPS low power, VDD = 3.3 V - 460 - EFFSMPS SMPS converter average efficiency EFF = VREG x ILOAD / VDDSMPS x IDD SMPS 100 mA max VDD = 3.3 V, ILSMPS = 6 mA -71- % SMPS 100 mA max VDD = 3.3 V, ILSMPS = 50 mA -89- SMPS 100 mA max VDD = 1.8 V, ILSMPS = 6 mA -88- SMPS 100 mA max VDD = 2.0 V, ILSMPS = 50 mA -91- SMPS 100 mA max VDD = 3.3 V, ILSMPS = 100 mA -86- Cout Shared between LDO and SMPS ±20 % tolerance - 470 - nF Lout SMPS inductor - - 15 - µH TSSMPS Sleep and Sleep, SMPS startup time For ILIM = 50 mA - 70 - µs |
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