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L9679P Datasheet(PDF) 239 Page - STMicroelectronics |
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L9679P Datasheet(HTML) 239 Page - STMicroelectronics |
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239 / 272 page  DocID029275 Rev 1 239/272 L9679P Electrical characteristics 271 17.14 VCC regulator All electrical characteristics are valid for the following conditions unless otherwise noted: -40 °C Ta +95 °C, VINGOOD0 VIN 35 V, VSATBCK_OK SATBUCK VUV_VCOREMON VCOREMON VOV_VCOREMON Table 50. VCC converter DC specifications No Symbol Parameter Conditions Min Typ Max Units 1 VO_VCC VCCBUCK Output Voltage Across all line and load, steady state VCCSEL < VTH1_L_VCCSEL 3.20 3.3 3.40 V 2 Across all line and load, steady state VCCSEL = > VTH1_H_VCCSEL 4.85 5 5.15 V 3IO_VCC3V_HI VCCBUCK output current VCCSEL < VTH1_L_VCCSEL LOW_POWER_MODE = 0 20 - 420 mA 4IO_VCC3V_LO VCCSEL < VTH1_L_VCCSEL LOW_POWER_MODE = 1 20 - 230 mA 5IO_VCC5V_HI VCCSEL > VTH1_H_VCCSEL LOW_POWER_MODE = 0 20 - 270 mA 6dVSR_ac Line transient response All line, load; dt=100 μs; Design Info -4% - 4% % 7dVLR_ac Load transient response All line, load; dt=100 μs; Design Info -4% - 4% % 8RDSON_VCCBCK_HS High side power switch resistance - - - 0.6 9RDSON_VCCBCK_LS Low side power switch resistance - - - 0.6 10 IOC_HS_VCCBCK_HI High side over current detection SYS_CFG(LOW_POWER_ MODE) = 0 0.59 0.75 0.9 A 11 IOC_HS_VCCBCK_LO SYS_CFG(LOW_POWER_ MODE) = 1 0.4 0.56 0.7 A 12 IOCP_LS_VCCBCK Low side positive over current detection VVCCBCKSW > 0 SYS_CFG(LOW_POWER_ MODE) = 0 / 1 1 - 100 mA 13 IOCN_LS_VCCBCK_HI Low side negative over current detection VVCCBCKSW = 0 LOW_POWER_MODE = 0 0.67 0.9 1.13 A 14 IOCN_LS_VCCBCK_LO VVCCBCKSW = 0 LOW_POWER_MODE = 1 0.49 0.65 0.82 A 15 IOF_VCC Open feedback current on VCC - 100 150 200 μA 16 VCCOV3V VCC over voltage detection VCCSEL < VTH2_L_VCCSEL 3.43 - 3.6 V 17 VCCOV5V VCCSEL > VTH2_H_VCCSEL 5.25 - 5.50 V |
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