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L6574 Fiches technique(PDF) 4 Page - STMicroelectronics |
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L6574 Fiches technique(HTML) 4 Page - STMicroelectronics |
4 / 10 page L6574 4/10 RECOMMENDED OPERATING CONDITIONS (*) If the condition Vboot - Vout < 18 is guaranteed, Vout can range from -3 to 580V. Symbol Parameter Value Unit VS Supply Voltage 10 to VCL V VOUT (*) High Side Reference -1 to VBOOT-VCL V VBOOT (*) Floating Supply Voltage 500 V ELECTRICAL CHARACTERISTCS (VS = 12V; VBOOT-VOUT = 12V; Tamb = 25°C) Symbol Pin Parameter Test Condition Min. Typ. Max. Unit Supply Voltage Vsuvp 12 Vs Turn On Threshold 9.5 10.2 10.9 V Vsuvn Vs Turn Off Threshold 7.3 8 8.7 V Vsuvh Supply Voltage Under Voltage Hysteresys 2.2 V Vcl Supply Voltage Clamping 14.6 15.6 16.6 V Isu Start Up Current VS < Vsuvn 250 µA Iq Quiescent Current, fout = 60kHz, no load. VS > Vsupv 2mA High voltage Section Ibootleak 16 BOOT pin leakage current VBOOT = 580V 5 µA Ioutleak 14 OUT pin Leakage Current VOUT = 562V 5 µA High/Low Side Drivers Ihvgso 15 High Side Driver Source Current VHVG-VOUT = 0 170 250 mA Ihvgsi 15 High Side Driver Sink Current VHVG-VBOOT = 0 300 450 mA Ihvgso 11 Low Side Drive Source Current VLVG-GND = 0 170 250 mA Ilvgsi 11 Low Side Drive Source Current VLVG-VS = 0 300 450 mA trise 15, 11 Low/High Side Output Rise Time Cload = 1nF 80 120 ns tfall Low/High Side Output Fall Time Cload = 1nF 50 80 ns Oscillator DC 14 Output Duty Cycle 48 50 52 % fing 14 Minimum Output Oscillation Frequency CF = 470pF; Ring = 50kΩ 58.2 60 61.8 kHz fpre 14 Maximum Output Oscillation Frequency CF = 470pF; Ring = 50kΩ; Rpre = 47kΩ 114 120 126 kHz Vref 2,4 Voltage to current converters threshold 1.9 2 2.1 V IVref 2,4 Reference Current 0 120 µA td 14 Dead Time between Low and High Side Conduction 0.8 1.25 1.7 µs |
Numéro de pièce similaire - L6574 |
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Description similaire - L6574 |
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