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RT8532GQW Datasheet(PDF) 4 Page - Richtek Technology Corporation |
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RT8532GQW Datasheet(HTML) 4 Page - Richtek Technology Corporation |
4 / 14 page ![]() 4 RT8532 www.richtek.com DS8532-04 January 2014 © Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Electrical Characteristics Recommended Operating Conditions (Note 4) Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- 2.5V to 24V Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C Absolute Maximum Ratings (Note 1) Supply Input Voltage, VIN to GND ------------------------------------------------------------------------------------ −0.3V to 26.5V EN, PWM, ISET, COMP, MIX, FREQ to GND ---------------------------------------------------------------------- −0.3V to 26.5V LX, OVP, LED1 to LED6 to GND --------------------------------------------------------------------------------------- −0.3V to 48V LX to GND ------------------------------------------------------------------------------------------------------------------- −0.3V to 48V < 500ns ---------------------------------------------------------------------------------------------------------------------- −1V to 48V VDC to GND ---------------------------------------------------------------------------------------------------------------- −0.3V to 7V Power Dissipation, PD @ TA = 25 °C WQFN −20L 3x3 ------------------------------------------------------------------------------------------------------------ 1.471W Package Thermal Resistance (Note 2) WQFN −20L 3x3, θJA ------------------------------------------------------------------------------------------------------ 68°C/W WQFN −20L 3x3, θJC------------------------------------------------------------------------------------------------------ 7.5°C/W Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260 °C Junction Temperature ----------------------------------------------------------------------------------------------------- 150 °C Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 3) HBM (Human Body Model) ---------------------------------------------------------------------------------------------- 2kV MM (Machine Model) ----------------------------------------------------------------------------------------------------- 200V (VIN = 5V, TA = 25 °C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit VIN Quiescent Current IVIN PWM = COMP = 0V, Not Switching -- 3 -- mA IVIN_SW PWM = COMP = 2V, Switching -- 4 -- VIN Shutdown Current ISHDN VIN = 4.5V, EN = 0V -- -- 10 A VIN Under Voltage Lockout Threshold VUVLO VIN Rising -- 2.3 -- V VIN Falling -- 2.1 -- PWM Dimming Frequency fPWM 0.1 -- 20 kHz Control Input EN, PWM Input Voltage High VIH VIN = 2.5V to 24V 1.3 -- 24 V Low VIL VIN = 2.5V to 24V -- -- 0.5 Boost Converter Switching Frequency fSW RFSW = 22k 0.8 1 1.2 MHz RFSW = 51k 0.4 0.5 0.6 LX On Resistance (N-MOSFET) RLX VIN > 4.5V 0.18 0.2 0.22 |
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