RT8482GS Richtek USA Inc, RT8482GS Datasheet
RT8482GS
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RT8482GS Summary of contents
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... RoHS Compliant and Halogen Free Applications General Industrial High Power LED Lighting Desk Lights and Room Lighting Building and Street Lighting Industrial Display Backlight Marking Information RT8482GS : Product Number RT8482 YMDNN : Date Code GSYMDNN SOP-16 H9= : Product Code H9=YM YMDNN : Date Code ...
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RT8482 Pin Configurations GBIAS 2 GATE NC 3 ISW ISP 6 ISN SOP-16 Typical Application Circuit V IN 4.5V to 36V 5V Analog Dimming R VC 10k C VC 3.3nF V IN 4.5V to ...
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V IN 4.5V to 36V 5V Analog Dimming R VC 10k C VC 3.3nF Analog Dimming R VC 10k 0.1µF VC 3.3nF DS8482-00 August 2010 C IN 10µF RT8482 2 15 GATE VCC 13 ...
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RT8482 Functional Pin Description Pin No. SOP-16 WQFN-16L 3x3 16, ...
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Function Block Diagram EN VCC OVP VC SS DCTL DS8482-00 August 2010 8.5V Shutdown + 2V - OSC - 4. 1.18V - 6µA GM 1.2V 1. ACTL V – V ISP ISN (mV) 190 ...
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RT8482 Absolute Maximum Ratings Supply Input Voltage, V ----------------------------------------------------------------------------------------------- 38V CC GBIAS, GATE -------------------------------------------------------------------------------------------------------------- 10V ISW --------------------------------------------------------------------------------------------------------------------------- 1V ISP, ISN ---------------------------------------------------------------------------------------------------------------------- 54V DCTL, ACTL, OVP Pin Voltage ---------------------------------------------------------------------------------------- 8V (Note 6) EN Pin Voltage ------------------------------------------------------------------------------------------------------------- 20V Power Dissipation ...
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Parameter LED Current Off Threshold at ACTL DCTL Input Current PWM Control Switching Frequency Minimum Off Time (Note 5) Switch Gate Driver GBIAS Voltage Gate Voltage High Gate Voltage Low GATE Drive Rise and Fall Time PWM Switch Current Limit ...
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RT8482 Typical Operating Characteristics Efficiency vs. Output Current 100 Boost Application 200 400 Output Current(mA) Output Current (mA) Switching Frequency vs. Input Voltage 400 380 360 340 320 300 Input ...
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LED Current vs. ACTL 2.5 2.0 1.5 1.0 0.5 0.0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 ACTL (V) OVP vs. Input Voltage 1.21 1.20 1.19 1.18 1.17 1.16 1. Input Voltage (V) Power Off ...
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RT8482 Applications Information The RT8482 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications. The LED current can be programmed by an external resistor. The input voltage range of the RT8482 can ...
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LED load, or with a resistive voltage divider to V output power and switching current when V presence of a time varying differential voltage signal (ripple) across ISP and ISN at the switching frequency is expected. The amplitude of this ...
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RT8482 switch current selected with the R inductor value based on operating frequency, input and output voltage to provide a current mode ramp of approximately 20mV magnitude on the ISW pin during the switch on-time of approximately 20mV magnitude. The ...
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P D(MAX) WQFN-16L 3x3 packages = (125°C − 25°C) / (85°C/W) = 1.176W for P D(MAX) SOP-16 packages The maximum power dissipation depends on operating ambient temperature for fixed T resistance ...
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RT8482 Outline Dimension J I Symbol www.richtek.com Dimensions In Millimeters Min Max 9.804 10.008 3.810 3.988 1.346 1.753 0.330 0.508 1.194 1.346 0.178 0.254 0.102 ...
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Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 Information that is provided by Richtek Technology ...