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L2800L-P08-R Datasheet(PDF) 4 Page - Unisonic Technologies |
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L2800L-P08-R Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 7 page L2800 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 7 www.unisonic.com.tw QW-R103-030.C ELECTRICAL CHARACTERISTICS (TA=25C, VCC=+2V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT CIRCUIT TO PREVENT MALFUNCITION AT LOW INPUT OLTAGE (U.V.L.O) Reset Voltage VR 0.9 V Threshold Voltage VTH 1.1 1.3 1.5 V Soft Start Charging Current ICS VSCP=0V -1.5 -1.0 -0.7 μA Voltage at soft start completion VTS 0.7 0.8 0.9 V Short Circuit Detection(S.C.P.) Charging Current ICPC VSCP=0V -1.5 -1.0 -0.7 μA Threshold Voltage VTPC 0.7 0.8 0.9 V SAWTOOTH WAVE OSCILLATOR(OSC) Oscillation Frequency fOSC RT=3.0kΩ, CT=270pF 400 500 600 kHz Frequency Input Stability fDV VCC=2V ~ 15V 2 10 % Frequency Variation With Temperature fDT TA=-30C ~ +85C 5 % ERROR AMPLIFIER Input Threshold Voltage VT VFB=450mV 480 500 520 mV VT Input Stability VTDV VCC=2V ~ 15V 5 20 mV VT Variation With Temperature VTDT TA= -30C ~ +85C 1 % Input Bias Current IB VIN=0V -1.0 -0.2 1.0 μA Voltage Gain Av 70 100 145 V/V Frequency Bandwidth BW AV=0dB 6 MHz Maximum Output Voltage Range VOM + 0.78 0.87 V VOM - 0.05 0.2 V Output Source Current IOM + VFB=0.45V -40 -24 μA Output Sink Current IOM - 24 40 μA IDLE PERIOD ADJUSTMENT SECTION Maximum Duty Cycle tDUTY RT=3.0kΩ, CT=270pF, VFB=0.8V 65 75 85 % OUTPUT SECTION Output Voltage VOH1 RB=390Ω, IO=-15mA 1.0 1.2 V VOH2 RB=750Ω, VCC=1.8V, Io= -10mA 0.8 1.0 V VOL1 RB=390Ω, IO=15mA 0.1 0.2 V VOL2 RB=750Ω, VCC=1.8V, Io=10mA 0.1 0.2 V Output Source Current IO + RB=390Ω, VO=0.9V -30 -20 mA Output Sink Current IO - RB=390Ω, VO=0.3V 30 60 mA Pull Down Resistance RO 20 30 40 kΩ OUTPUT CURRENT SETTING SECTION/CONTROL SECTION Pin Voltage VBR RB=390Ω 0.2 0.3 0.4 V Input Off Condition IOFF -20 0 μA Input On Condition ION -45 μA Pin Current Range IBR -1.8 -0.1 mA ENTIRE DEVICE Stand-by Current ICCS BR/CTL pin open or VCC 1 μA Average Supply Current ICC RB=390Ω 5.5 9.3 mA |
Similar Part No. - L2800L-P08-R |
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Similar Description - L2800L-P08-R |
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