MAX16834AUP+ Maxim Integrated Products, MAX16834AUP+ Datasheet
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MAX16834AUP+
Specifications of MAX16834AUP+
Related parts for MAX16834AUP+
MAX16834AUP+ Summary of contents
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... Internal 7V Low-Dropout Regulator o Fault Output (FLT) for Overvoltage, Overcurrent, and Thermal Warning Faults o Programmable True Differential Overvoltage Protection o 20-Pin TQFN-EP and TSSOP-EP Packages PART MAX16834ATP+ MAX16834ATP/V+ MAX16834AUP+ MAX16834AUP/V+ + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad. /V denotes an automotive qualified part. Simplified Application Circuit ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver ABSOLUTE MAXIMUM RATINGS IN, HV SGND................................................-0.3V to +30V OVP+, SENSE+, DIMOUT, CLV to SGND ..............-0.3V to +30V SENSE+ to LV........................................................-0.3V to +0.3V HV, IN ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver ELECTRICAL CHARACTERISTICS (continued 12V 5V UVEN 10kΩ -40°C to +125°C, ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver ELECTRICAL CHARACTERISTICS (continued 12V 5V UVEN 10kΩ -40°C to +125°C, ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver ( 12V 5V UVEN 10kΩ +25°C, unless otherwise noted vs. ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver ( 12V 5V UVEN 10kΩ +25°C, unless otherwise noted vs. ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver PIN NAME TQFN TSSOP FLT Active-Low, Open-Drain Fault Indicator Output. See the Fault Indicator ( FLT ) section Resistor-Programmable Switching Frequency Setting/Sync Control Input. ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver IN REFERENCE SGND UVEN UVLO V BG RT/SYNC OSC SC 5kΩ CS BLANK NDRVB V REF REFI LPF SENSE 9 COMP ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver The MAX16834 is also suitable for DC-DC converter applications such as boost or boost-buck (Figures 6 and 7). Other applications include boost LED drivers with automotive ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Internal Transconductance Error Amplifier The MAX16834 has a built-in transconductance amplifi- er used to amplify the error signal inside the feedback loop. The amplified current-sense signal ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Figure 2. Boost LED Driver Programming the LED Current The LED current is programmed using the ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver I LED = IL AVG − MAX Allowing the peak-to-peak inductor ripple (ΔI ±30% of the average inductor current: ΔI = × ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Figure 3. Boost-Buck LED Driver (V LED+ ESR and the bulk capacitance are equal, allowing 50% ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver configuration, the input current is the inductor current minus the LED current. But for both configurations, the ripple current that the input filter capacitor has to ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver lowing equation. The MOSFET must be mounted on a board as per manufacturer specifications to dissipate the heat. The RMS current rating of the switching MOSFET ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Boost configuration LED = R OUT + × LED Boost-buck configuration ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver 24V Figure 4. Boost LED Driver with Automotive Load Dump Protection ______________________________________________________________________________________ LV ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Figure 5. High-Side Buck LED Driver 18 ______________________________________________________________________________________ NDRV UVEN CS ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Figure 6. Boost DC-DC Converter ______________________________________________________________________________________ FLT NDRV UVEN HV CS MAX16834 ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Figure 7. Boost-Buck DC-DC Converter 20 ______________________________________________________________________________________ NDRV UVEN SC CS ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver Layout Recommendations Typically, there are two sources of noise emission in a switching power supply: high di/dt loops and high dv/dt surfaces. For example, traces that ...
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High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver TOP VIEW CLV 17 18 DIMOUT MAX16834 LV 19 SENSE TQFN *EP = EXPOSED PAD. Chip ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 23 © 2010 Maxim Integrated Products ...