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L6564 датащи(PDF) 10 Page - STMicroelectronics |
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L6564 датащи(HTML) 10 Page - STMicroelectronics |
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10 / 34 page ![]() Electrical characteristics L6564 10/34 Doc ID 16202 Rev 1 GB Gain-bandwidth product 1 MHz ICOMP Source Current VCOMP = 4V, VINV = 2.4V 2 4 mA Sink Current VCOMP = 4V, VINV = 2.6V 2.5 4.5 mA VCOMP Upper Clamp Voltage ISOURCE = 0.5 mA 5.7 6.2 6.7 V Burst-mode Voltage (3) 2.3 2.4 2.5 Lower Clamp Voltage ISINK = 0.5 mA (3) 2.1 2.25 2.4 Boost inductor saturation detector VCS_th Threshold on current sense (3) 1.6 1.7 1.8 V IINV E/A input pull-up current After VCS > VCS_th, before restarting 5 10 13 µA Start-up timer tSTART_DEL Start-up delay First cycle after wake-up 25 50 75 µs tSTART Timer period 75 150 300 µs Restart after VCS > VCS_th 150 300 600 Current sense comparator ICS Input bias current VCS = 0 1 µA tLEB Leading edge blanking 100 150 250 ns td(H-L) Delay to output 100 200 300 ns VCSclamp Current sense reference clamp VCOMP = Upper clamp, VMULT =1V, VVFF = 1V 1.0 1.08 1.16 V Vcsofst Current sense offset VMULT = 0, VVFF = 3V 40 70 mV VMULT = 3V, VVFF = 3V 20 PFC_OK functions IPFC_OK Input bias current VPFC_OK = 0 to 2.6V -0.1 -1 µA VPFC_OK_C Clamp voltage IPFC_OK = 1mA 9 9.5 V VPFC_OK_S OVP threshold (1) voltage rising 2.435 2.5 2.565 V VPFC_OK_R Restart threshold after OVP (1) voltage falling 2.34 2.4 2.46 V VPFC_OK_D Disable threshold (1) voltage falling 0.12 0.35 V VPFC_OK_D Disable threshold (1) voltage falling Tj = 25 °C 0.17 0.23 0.29 V VPFC_OK_E Enable threshold (1) voltage rising 0.15 0.38 V VPFC_OK_E Enable threshold (1) voltage rising Tj = 25 °C 0.21 0.27 0.32 V VFFD Feedback failure detection threshold (VPFC_OK -VINV) VPFC_OK = VPFC_OK_S 15 40 65 mV VFFD Feedback failure detection threshold (VPFC_OK -VINV) VPFC_OK = VPFC_OK_S Tj = 25 °C 25 40 55 mV Table 4. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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