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TS1937CX5RF Arkusz danych(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS1937CX5RF Arkusz danych(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 8 page TS1937 Boost (Step-up) WLED Driver 2/8 Version: C07 Absolute Maximum Rating Parameter Symbol Limit Unit Input Voltage VIN 20 V Supply Voltage (Recommended) VIN 2.5 ~ 18 V FB Voltage VFB 10 V SW Voltage VSW 36 V CTRL Voltage VCTRL 10 V Ambient Temperature Range TA -40 to +85 oC Junction Temperature Range TJ -40 to +125 oC Electrical Specifications (Ta = 25oC, VIN= VCTRL=3V, CIN=1uF, COUT=0.22uF unless otherwise noted) Function Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 2.5 -- 18 V Feedback Voltage VFB Isw=100mA, 66% duty cycle 86 95 104 mV FB Pin Bias Current IB 10 45 100 nA -- 1.9 2.5 mA Supply Current IQ CTRL = 0V -- 0.1 1.0 uA Switching Frequency FRSW 0.8 1.2 1.6 MHz Switch Current Limit ICL -- 320 -- mA Maximum Duty Cycle DTMX 85 90 -- % Switch Vcesat VSAT At Isw = 250mA -- 350 -- mV Switch Leakage Current ILKG Vsw = 5V -- 0.01 5 µA High 1.5 -- -- V Voltage Enable Control VCTRL Low -- -- 0.4 V CTRL Pin Bias Current ICTRL Ctrl = 2V -- 65 -- µA Thermal Resistance θJA -- 220 -- °C/W Note: Absolute maximum ratings are limits beyond which damage to the device may occur. The maximum allowable power dissipation is a function of maximum function temperature, TJ(max), the junction to ambient thermal resistance, θJA , and the ambient temperature. The maximum allowable, power dissipation at any ambient temperature is calculated using: PD(MAX) = [TJ(max)-TA]/θJA . Exceeding the maximum allowable power dissipation will cause excessive die temperature. All limits at temperature extremes are guaranteed via correlation using standard statistical methods |
Podobny numer części - TS1937CX5RF |
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Podobny opis - TS1937CX5RF |
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