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LP8866S-Q1 Datasheet(PDF) 9 Page - Texas Instruments |
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LP8866S-Q1 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 82 page  6.5 Electrical Characteristics (continued) Limits apply over the full operation temperature range –40°C ≤TA ≤ +125°C , unless otherwise speicified. VIN = 12 V, VDD = 3.3 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VINOVP_T H OVP threshold VSENSE_P rising 40.8 43 45.2 V VINOVP_H YS OVP hysteresis 1.7 V VINOCP_T H Input OCP threshold RISENSE = 20 mΩ 187 220 253 mV TSD Thermal shutdown threshold(1) Temperature rising 150 165 180 °C TSD Thermal shutdown hysteresis(1) 20 °C ISD_LEAKA GE SD leakage current VSD = 48 V 1 µA ISD SD pull down current RSD = 20 kΩ 250 325 400 µA VFB_OVPL FB pin - Boost OVP low threshold 1.423 V VFB_OVPH FB pin - Boost OVP high threshold 1.76 V VFB_UVP FB pin - Boost OCP threshold 0.886 V VBST_OVP H Discharge pin - Boost OVP high threshold 48.5 50 51.8 V Input PWM Electrical Characteristics IPWM_LEA KAGE PWM leakage current VPWM = 5 V 1 µA fPWM_IN PWM input frequency 100 20000 Hz tPWM_MIN _ON PWM input minimum on-time Direct PWM mode 200 ns tPWM_MIN _ON PWM input minimum on-time Phase Shift PWM mode, Hybrid mode, Current Dimming mode 200 220 ns PWM_IN RES PWM input resolution fPWM_IN = 100 Hz 16 bit PWM_IN RES PWM input resolution fPWM_IN = 20 kHz 10 bit LED Current Sink and LED PWM Electrical Characteristics ILEAKAGE Leakage current on OUTx OUTx = VOUT = 45 V, EN= L 0.1 2.5 µA VISET ISET voltage 1.17 1.21 1.25 V IMAX Maximum LED sink current OUTx 200 mA VISET_UVL O ISET pin undervoltage 0.97 1 1.03 V RISET ISET Resistor range IOUT = 30 mA to 200 mA 15.6 104 kΩ ILED_LIMIT LED current limit when ISET pin short to GND 280 mA IACC LED sink current accuracy RISET = 15.6 kΩ, IOUT = 150 mA, PWM = 100% -4 4 % IMATCH LED sink current matching RISET = 15.6 kΩ, IOUT = 150 mA, PWM = 100% 1 3.5 % www.ti.com LP8866S-Q1 SNVSBD1A – AUGUST 2020 – REVISED FEBRUARY 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 9 Product Folder Links: LP8866S-Q1 |
Similar Part No. - LP8866S-Q1_V01 |
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Similar Description - LP8866S-Q1_V01 |
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