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MAX16809 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX16809 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 23 page Integrated 16-Channel LED Drivers with Switch-Mode Boost and SEPIC Controller _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (PWM CONTROLLER) (continued) (VCC = +15V, V+ = +3V to +5.5V referenced to PGND, RT = 10kΩ, CT = 3.3nF, REF = open, COMP = open, CREF = 0.1µF, VFB = 2V, CS = AGND, AGND = PGND = 0V; all voltages are measured with respect to AGND, unless otherwise noted. TJ = TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS CURRENT-SENSE AMPLIFIER Current-Sense Gain ACS (Notes 3, 4) 2.85 3 3.40 V/V Maximum Current-Sense Signal VCS_MAX (Note 3) 0.275 0.300 0.325 V Power-Supply Rejection Ratio PSRR 12V ≤ VCC ≤ 25V 70 dB Current-Sense Input Bias Current ICS VCOMP = 0V -1 -2.5 µA Current Sense to OUT Delay tPWM 50mV overdrive 60 ns MOSFET DRIVER TJ = -40°C to +85°C (Note 2) 4.5 10 OUT Low-Side On-Resistance VRDS_ONL ISINK = 200mA TJ = -40°C to +125°C 4.5 12 Ω TJ = -40°C to +85°C (Note 2) 3.5 7.5 OUT High-Side On-Resistance VRDS_ONH ISOURCE = 100mA TJ = -40°C to +125°C 3.5 10 Ω Source Current (Peak) ISOURCE CLOAD = 10nF 2 A Sink Current (Peak) ISINK CLOAD = 10nF 1 A Rise Time tR CLOAD = 1nF 15 ns Fall Time tF CLOAD = 1nF 22 ns UNDERVOLTAGE LOCKOUT/STARTUP Startup Voltage Threshold VCC_START 7.98 8.4 8.82 V Minimum Operating Voltage After Turn-On VCC_MIN 7.1 7.6 8.0 V Undervoltage-Lockout Hysteresis UVLOHYST 0.8 V PULSE-WIDTH MODULATION (PWM) Maximum Duty Cycle DMAX 94.5 96 97.5 % Minimum Duty Cycle DMIN 0% SUPPLY CURRENT Startup Supply Current ISTART VCC = 7.5V 32 65 µA Operating Supply Current ICC VFB = VCS = 0V 3 5 mA VCC Zener Voltage VZ ICC = 25mA 24 26.5 V |
Similar Part No. - MAX16809_07 |
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Similar Description - MAX16809_07 |
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