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L5955 Datasheet(PDF) 6 Page - STMicroelectronics |
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L5955 Datasheet(HTML) 6 Page - STMicroelectronics |
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6 / 17 page  Electrical specification L5955 6/17 VOL LVW output voltage IOL = 100µA 0 0.2 V TS Thermal shutdown for HSDS, REGS, VST-BY1, VST-BY2 HSDS, REGS, VST-BY1, VST-BY2 min. load. Increase Tamb until HSDS, REGS, VST-BY1,2 Disabled 170 °C TS HYS Thermal shutdown hysteresis for HSDS, REGS, VST-BY1, VST-BY2 HSDS, REGS, VST-BY1, VST-BY2 min. load. Decrease Tamb until HSDS, REGS, VST-BY1,2 Disabled 10 °C Io CSLEW output current 7 14 µA ton ST-BY1, ST-BY2. minimum turn on time CSLEW=7nF; see Figure 5 1.6 ms 3.3V/125mA VST-BY1 VST-BY1 Output voltage IST-BY1 = 125mA 3.14 3.46 V ΔV line Line regulation 7V ≤ V BAT ≤ 18V (Measure ΔVreg1 across V BAT range) 10 mV ΔV load Load regulation 0.5mA ≤ I ST-BY1 ≤ 125mA (Measure ΔVreg1 across V BAT range) 50 mV Iq1 Δ Quiescent current (measure ΔI BAT) IST-BY1 = 2mA, VBAT = 14V, IST-BY1 = 125mA, VBAT = 14V 150 10 μA mA VDROPOUT Dropout voltage (measure VBAT - VST-BY1 when VST-BY1drops 0.1V) IST-BY1 = 125mA IST-BY1 = 5mA 2.6 1.2 V V Ilim1 Current limit 160 350 mA ΔV lead VST-BY1 absolute differential output voltage force VST-BY2 Low; Measure VST-BY1 - VST-BY2 2.5 V ΔV lag force VST-BY1 Low; Measure VST-BY1 - VST-BY2 0.25 V SVR1 Supply voltage rejection ST-BY1 fo = 120-10kHz, VBAT = 14V with 1.0Vp-p AC, fo = 20-20kHz, VBAT = 14V with 1.0Vp-p AC 50 45 dB dB 1.5V/300mA VST-BY2 VST-BY2 Output voltage IST-BY2 = 300mA 1.425 1.575 V ΔV line Line regulation 7V ≤ V BAT ≤ 18V (measure Δ V ST-BY2 across VBAT range) 50 mV Table 4. Electrical characteristics (continued) (Refer to the application circuit, Vbat =Vbat1+Vbat2+Vbat3= 14V, IST-BY1 = 0.5mA, IST-BY2 = 0.5mA, IREG1 = IREG2 = IREG3 = IREG4 = IREG5 = IREG6 = 5mA, RHSD1 = RHSD2 = RHSD3 = 16Ω) Symbol Parameter Test condition Min. Typ. Max. Unit |
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Similar Description - L5955 |
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