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P1686L-S08-T Datasheet(PDF) 4 Page - Unisonic Technologies |
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P1686L-S08-T Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 6 page P1686 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 6 www.unisonic.com.tw QW-R103-039.C ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNITS Input Supply Voltage VIN -0.3 ~ +28 V Boost Pin Above VSW (VBST -VSW) 16 V Boost Pin Voltage VBST -0.3 ~ +32 V EN Pin Voltage VEN -0.3 ~ +16 V FB Pin Voltage VFB -0.3 ~ +6 V FB Pin Current IFB 1 mA SYNC Pin Current ISYNC 1 mA Junction Temperature TJ 150 °C Operating Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNITS Junction to Ambient θJA 36.5 °C/W ELECTRICAL CHARACTERISTICS (VIN = 12V, VCOMP = 0.8V, VBS = VIN + 5V, EN = tied to VIN, SYNC = 0, SW = open. TA = TJ = -40°C ~ 85°C.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Operating Input Voltage VIN 16(Note 1) V Maximum Switch Current Limit ISW 3.0 A Oscillator Frequency fOSC 550 600 750 kHz Switch On Voltage Drop VD(SW) ISW = 3A 330 mV VIN Undervoltage Lockout VUVLO TA = 25°C 2.60 3 V VIN Supply Current IQ VFB = VOUT(NOM) + 17% 1.0 5 mA Standby Current IQ(OFF) VEN = 0V, VIN = VBOOST = 16V, VSW = 0V 5 45 μA FB Input Current IFB -0.25 -0.50 μA Feedback Voltage 1.176 1.2 1.224 V Feedback Voltage Line Regulation 3V < VIN < 16V (Note 2) +3 mV/V FB to VCOMP Voltage Gain (Note 3) 0.4V ≤ VCOMP ≤ 0.9V 150 350 FB to VCOMP Transconductance (Note 3) Δ ICOMP = ± 10μA 500 850 1300 μMho VCOMP Pin Source Current VFB = VOUT(NOM) -17% 70 110 μA VCOMP Pin Sink Current VFB = VOUT(NOM) + 17% 70 110 μA VCOMP Pin to Switch Current Trans conductance 2.5 A/V VCOMP Pin Maximum Switching Threshold Duty cycle = 0% 0.35 V VCOMP Pin Threshold ISW = 3A 0.9 V Maximum Switch Duty Cycle VCOMP = 1.2V, ISW = 400mA 85 % Minimum Boost Voltage Above Switch (Note 3) VBOOST ISW = 3A, 0°C ≤ TA ≤ 85°C ISW =2.5A, TA < 0°C 1.8 2.7 V ISW = 1A 10 15 Boost Current IBOOST ISW = 3A, 0°C ≤ TA ≤ 85°C ISW =2.5A, TA < 0°C 30 45 mA VIH 3 V Enable Input Threshold Voltage VIL 0.4 V IIL EN = 60mV above threshold 2.5 μA Enable Input Bias Current IIH EN = 100mV below threshold 5 15 μA |
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