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LM3435 Datasheet(PDF) 4 Page - Texas Instruments |
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LM3435 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 27 page LM3435 SNVS724C – JUNE 2011 – REVISED MAY 2013 www.ti.com ELECTRICAL CHARACTERISTICS Specification with standard type are for TA = TJ = +25°C only; limits in boldface type apply over the full Operating Junction Temperature (TJ) range. Minimum and Maximum are specified through test, design or statistical correlation. Typical values represent the most likely parametric norm at TJ = +25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 5V and VOUT – VIN = 3V. Symbol Parameter Conditions Min Typ Max Units Supply Characteristics IIN IIN operating current No switching 5 10 mA IIN-SD IIN Shutdown current VEN = 0V 8 30 µA ISVDD SVDD standby supply current VSVDD = 5V, I 2C Bus idle 1 µA VINUVLO VIN under-voltage lock-out VIN decreasing 2.5 V VINUVLO_hys VIN under-voltage lock-out hysteresis VIN increasing 0.2 V Enable Input VEN EN Pin input threshold VEN rising 0.8 x VIN V VEN falling 0.2 x VIN V IEN Enable Pull-up Current VEN = 0V 5 µA Logic Inputs (RCTRL, GCTRL and BCTRL) VCTRL CTRL pins input threshold VCTRL rising 1.35 V (VIN = 2.7V to 5.5V) VCTRL falling 0.63 (VIN = 2.7V to 5.5V) Switching Characteristics RDS-M-ON Main MOSFET RDS(ON) VGS(MAIN) =VIN = 5.0V 0.04 0.1 Ω ISW(sink) = 100mA RDS-S-ON Syn. MOSFET RDS(ON) VGS(SYN) = VOUT - 5.0V 0.06 0.2 Ω ISW(source) = 100mA Current Limit ICL Peak current limit through main MOSFET 6 8.5 A threshold ON/OFF Timer tON ON timer pulse width RRT = 499 kΩ 750 ns tON-MIN ON timer minimum pulse width 80 ns tOFF OFF timer minimum pulse width 155 ns RGB Driver Characteristics (RLED, BLED and GLED) RDS(RED) Red LED Switch RDS VOUT - VIN = 3.3V 0.1 0.2 Ω ILED = 1.5A I2C code = 3FFh RDS(BLU) Blue LED Switch RDS VOUT - VIN = 3.3V 0.1 0.2 Ω ILED = 1.5A I2C code = 3FFh RDS(GRN) Green LED Switch RDS VOUT - VIN = 3.3V 0.1 0.2 Ω ILED = 1.5A I2C code = 3FFh ILEDMAX Max. LED current(1) VIN = 4.5V to 5.5V, 2 A 0°C ≤ TA ≤ 50°C I1.5A,3FFh Current accuracy (3FFh) VIN = 2.7V to 5.5V 1.455 1.5 1.545 A RIREF = 16.5 kΩ, 1.425 1.575 A VOUT – VIN = 2.4V (RLED), I1.5A,1FFh Current (1FFh) 0.8 A 3.3V (GLED/BLED) I1.5A,001h Current (001h) 1.2 mA (1) Maximum LED current measured at VIN = 4.5V to 5.5V with heat sink on top of LM3435 with no air flow at 0°C ≤ TA ≤ 50°C. Operating conditions differ from the above is not ensured. 4 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: LM3435 |
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