Datenblatt-Suchmaschine für elektronische Bauteile |
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L6995S Datenblatt(PDF) 4 Page - STMicroelectronics |
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L6995S Datenblatt(HTML) 4 Page - STMicroelectronics |
4 / 26 page Obsolete Product(s) - Obsolete Product(s) L6995S 4/26 CURRENT LIMIT AND ZERO CURRENT COMPARATOR ILIM input bias current RILIM = 2KΩ to 400KΩ 4.955.1 µA Zero Crossing Comparator Offset Phase-gnd -2 2 mV ON TIME Ton On time duration VREF=VSENSE OSC=250mV 850 950 1050 ns VREF=VSENSE OSC=500mV 470 520 570 ns VREF=VSENSE OSC=1V 250 285 320 ns VREF=VSENSE OSC=2V 130 160 190 ns OFF TIME TOFFMIN Minimum off time 580 ns KOSC/TOFFMIN OSC=250mV 0.30 0.60 VOLTAGE REFERENCE VREF Voltage Accuracy 0 µA < IREF < 100µA 0.891 0.9 0.909 V PWM COMPARATOR Input voltage offset -2 +2 mV IFB Input Bias Current 0.1 µA INTEGRATOR INT Over Voltage Clamp VSENSE = VCC 1.04 1.07 1.1 V INT Under Voltage Clamp VSENSE = GND 0.82 0.84 0.86 V Integrator Input Offset Voltage VSENSE-VREF -5 5 mV IVSENSE Input Bias Current 0.1 µA GATE DRIVERS High side rise time VDR=3.3V; C=7nF HGATE - PHASE from 1 to 3V 50 70 ns High side fall time 50 70 ns Low side rise time VDR=3.3V; C=14nF LGATE from 1 to 3V 50 70 ns Low side fall time 50 70 ns PGOOD UVP/OVP PROTECTIONS OVP Over voltage threshold with respect to VREF 112 115 118 % UVP Under voltage threshold 66 69 72 % PGOOD Upper threshold (VSENSE-VREF) VSENSE rising 107 110 113 % PGOOD Lower threshold (VSENSE-VREF) VSENSE falling 868992 % VPGOOD ISink=2mA 0.14 0.2 V Table 5. Electrical Characteristics (continued) (VCC = VDR = 5V; Tamb = 0°C to 85°C unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit |
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Ähnliche Beschreibung - L6995S |
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