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L5950 Datasheet(PDF) 4 Page - STMicroelectronics |
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L5950 Datasheet(HTML) 4 Page - STMicroelectronics |
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4 / 8 page  Symbol Parameter Test Condition Min. Typ. Max. Unit VDROPOUT Dropout Voltage (Measure VBAT- VREG3 when VREG3 drops 0.1V) (Measure VBAT- VREG3 when VREG3 drops 0.1V) IREG3 = 175mA IREG3 = 5mA 950 600 mV mV Ilim3 Current Limit 0.5 1 A SVR Ripple Rejection fo = 1kHz, VBAT = 14V with 1Vpp AC IREG3 = 175mA 50 dB 8/10V/1A REG 4 OUTPUT VREG4 Output Voltage IREG4 = 1A b5 = 0 b5 = 1 7.6 9.50 8 10 8.4 10.5 V V ∆Vline Line Regulation 11V ≤ VBAT ≤ 26V, b5 = 1 (Measure ∆ VREG2 Across VBAT Range) 50 mV ∆Vload Load Regulation 5mA ≤ IREG4 ≤ 1A 150 mV VDROPOUT Dropout Voltage (Measure VBAT- VREG2 when VREG2 drops 0.1V) IREG4 = 1A IREG4 = 5mA 950 600 mV mV Ilim4 Current Limit 1.3 2.4 A SVR Ripple Rejection fo = 1kHz, VBAT = 14V with 1Vpp AC IREG4 = 500mA 50 dB 5V/250mA REG 5 OUTPUT VREG5 Output Voltage IREG5 = 250mA 4.75 5 5.25 V ∆Vline Line Regulation 7V ≤ VBAT ≤ 26V (Measure ∆ VREG5 Across VBAT Range) 40 mV ∆Vload Load Regulation 5mA ≤ IREG5 ≤250mA 100 mV VDROPOUT Dropout Voltage (Measure VBAT- VREG5 when VREG5 drops 0.1V) IREG5 = 250A IREG5 = 5mA 1.6 1.2 V V Ilim5 Current Limit 320 700 mA SVR Ripple Rejection fo = 1kHz, VBAT = 14V with 1Vpp AC IREG5 = 125mA 50 dB 2A HSD1 Vsat Output Saturation Voltage IHSD1 = 1A Continuous Time Operation 0.5 V Ileak1 Output Leakage Current All Driver Outputs are Off -50 50 µA Ilim Current Limiting RHSD1 = 0.5 Ω 2.4 4 A 0.45A HSD2 & HSD3 Vsat Output Saturation Voltage IHSD2,3 = 300mA Continuous Time Operation 0.6 V Ileak2,3 Output Leakage Current All Driver Outputs are Off -50 50 µA Ilim Current Limiting RHSD2,3 = 0.5 Ω 0.56 1 A ELECTRICAL CHARACTERISTICS (continued) L5950 4/8 |
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