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TS1520CX5RF Folha de dados(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS1520CX5RF Folha de dados(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 12 page TS1520 Step-Up DC-DC Converter, White LED Driver 2/12 Version: B07 Absolute Maximum Rating Parameter Symbol Limit Unit Input Voltage VIN 10 V Supply Voltage (Recommended) VIN 2.7 ~ 7 V FB Voltage VFB 5 V SW Voltage VSW 32 V CTRL Voltage VCTRL 5 V Ambient Temperature Range TA -40 to +85 oC Junction Temperature Range TJ -40 to +125 oC Electrical Specifications (Ta = 25oC, VIN=3.3V, CIN=1uF, COUT=10uF unless otherwise noted) Function Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 2.7 -- 7 V Quiescent Current (Not Switching) VFB = 0.3V 1.2 1.5 1.7 mA Quiescent Current (Shutdown) IQ CTRL = 0V -- 0.3 1 uA Feedback Voltage VFB Iout=20mA,Vout=12.5V Circuit of Figure 1 180 200 220 mV ICL 100% duty cycle 420 450 -- Switch Current Limit ILIM 40% duty cycle -- 250 -- mA FB Pin Bias Current IB VFB=200mV 2 10 20 uA Switching Frequency FRSW 680 700 720 KHz Maximum Duty Cycle DTMX -- -- 85 % Minimum Duty Cycle DTMN 20 -- 25 % Switch Vcesat VSAT At Isw = 200mA -- 120 -- mV Switch Leakage Current ILKG Ctrl = 0.3V -- 1 -- µA Full On -- 1.7 1.8 V VCTRL for Full LED Current VCTL Full Off -- 0.2 0.3 V CTRL Pin Bias Current ICTL Ctrl = 2V -- 20 -- µA Over Voltage Protection OVP -- 30 -- V 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 |
Nº de peça semelhante - TS1520CX5RF |
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Descrição semelhante - TS1520CX5RF |
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