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LB11876 Datasheet(PDF) 3 Page - ON Semiconductor |
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LB11876 Datasheet(HTML) 3 Page - ON Semiconductor |
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3 / 15 page  LB11876 No.8317-3/15 Continued from preceding page. Ratings Unit Parameter Symbol Conditions min typ max FGS Output Output saturation voltage VOL (FGS) ILD = 7mA 0.15 0.5 V Output leakage current IL (FGS) VO = VCC 10 μA PWM Oscillator High-level output voltage VOH (PWM) 2.6 2.9 3.2 V Low-level output voltage VOL (PWM) 1.4 1.7 2.0 V External capacitor charge current ICHG VPWM = 2.0V -65 -50 -35 μA Oscillator frequency f (PWM) C = 620pF 50 kHz Amplitude V (PWM) 1.0 1.2 1.4 Vp-p CSD Oscillator Circuit High-level output voltage VOH (CSD) 3.2 3.5 3.8 V Low-level output voltage VOL (CSD) 0.9 1.1 1.3 V External capacitor charge current ICHG1 -13 -10 -7 μA External capacitor discharge current ICHG2 7 10 13 μA Oscillator frequency f (CSD) C = 0.068 μF 30 Hz Amplitude V (CSD) 2.2 2.4 2.6 Vp-p Phase Comparator Output High-level input voltage VPDH IOH = -100μA VREG - 0.2 VREG - 0.1 V Low-level input voltage VPDL IOH = 100μA 0.2 0.3 V Input source current IPD+ VPD = VREG/2 -0.6 mA Input sink current IPD- VPD = VREG/2 1.5 mA Phase Lock Detection Output Output saturation voltage VOL( LD) ILD = 10mA 0.15 0.4 V Output leakage current IL (LD) VO = VCC 10 μA Error Amplifier Block Input offset voltage VIO (ER) Design target value -10 10 mV Input bias current IB (ER) -0.4 0.4 μA High-level output voltage VOH (ER) IEI = -0.1mA, no load 3.7 V Low-level output voltage VOL (ER) IEI = 0.1mA, no load 1.3 V DC bias level VB (ER) Design target value -5% VREG/2 5% V Current Llimiter Circuit Llimiter voltage VRF 0.225 0.25 0.275 V Low Voltage Protection Circuit Operating voltage VSDL 3.5 3.7 3.9 V Release voltage VSDH 4.0 4.2 4.4 V Hysteresis ΔVSD 0.35 0.5 0.65 V Thermal shutdown circuit Thermal shutdown operating temperature TSD Design target value (junction temperature) 150 180 °C Thermal shutdown temperature hysteresis ΔTSD Design target value (junction temperature) 30 °C CLD Circuit External capacitor discharge current ICLD -5 -4 -3 μA Operating voltage VH (CLD) 3.25 3.5 3.75 V Continued on next page. |
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