MAX16818EVKIT+ Maxim Integrated Products, MAX16818EVKIT+ Datasheet
MAX16818EVKIT+
Specifications of MAX16818EVKIT+
Related parts for MAX16818EVKIT+
MAX16818EVKIT+ Summary of contents
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... LCD TVs and Display Backlight Automotive Emergency Lighting and Signage Pin Configuration appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. with Rapid LED Current Pulsing ♦ ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing ABSOLUTE MAXIMUM RATINGS IN to SGND.............................................................-0.3V to +30V BST to SGND..........................................................-0.3V to +35V BST to LX..................................................................-0. .......................................-0. PGND................................................-0. ...
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High-Efficiency, LED Driver ELECTRICAL CHARACTERISTICS (continued 5V MIN PARAMETER φ_ CLKOUT Phase Shift CLKOUT Output Low Level V CLKOUT Output ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing ELECTRICAL CHARACTERISTICS (continued 5V MIN PARAMETER Maximum Load Capacitance V_IOUT Output to ...
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High-Efficiency, LED Driver (T = +25°C, using Figure 5 , unless otherwise noted.) A SUPPLY CURRENT (I ) vs. FREQUENCY Q 60 EXTERNAL CLOCK NO DRIVER LOAD 24V 12V IN 30 ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing (T = +25°C, using Figure 5 , unless otherwise noted.) A HIGH-SIDE DRIVER (DH) RISE TIME MAX16818 toc10 C = 22nF LOAD V = 12V IN 2V/div 40ns/div LOW-SIDE DRIVER ...
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High-Efficiency, LED Driver PIN NAME 1 PGND Power-Supply Ground 2, 7 N.C. No Connection. Not internally connected Low-Side Gate Driver Output Boost Flying Capacitor Connection. Reservoir capacitor connection for the high-side MOSFET driver 4 BST supply. ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing PIN NAME Current-Sense Differential Amplifier Positive Input. The differential voltage between CSN and CSP is 21 CSP amplified internally by the current-sense amplifier (gain = 34.5) to measure the inductor ...
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High-Efficiency, LED Driver LED 14 LIM V_IOUT RT/SYNC C10 15 OVI C9 R12 16 CLP R11 EAOUT EAN 18 R10 19 DIFF 20 CSN 21 CSP SGND SENSE- SENSE+ 22 Figure 1. ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing LED 14 LIM V_IOUT RT/SYNC C10 15 OVI C9 R12 16 CLP R11 EAOUT EAN 18 R10 19 DIFF 20 CSN 21 CSP SGND ...
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High-Efficiency, LED Driver LED 14 LIM V_IOUT RT/SYNC C11 15 OVI C10 R12 16 CLP R11 EAOUT EAN 18 R10 19 DIFF 20 CSN CSP 21 SGND SENSE- SENSE+ 22 Figure 3. ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing LED 14 LIM C11 15 OVI C10 R12 16 CLP R11 EAOUT EAN 18 R10 19 DIFF 20 CSN 21 CSP SGND 22 Figure ...
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High-Efficiency, LED Driver 14 LIM C11 15 OVI C10 R10 16 CLP R9 17 EAOUT C9 C8 EAN DIFF 20 CSN 21 CSP SGND 22 Figure 5. Application Circuit for a Buck LED Driver ______________________________________________________________________________________ ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing LDO REGULATOR V CC LIM CLP CSP CSN V_IOUT SGND RT/SYNC OSCILLATOR CLKOUT DIFF +0.6V SENSE- DIFF AMP SENSE+ ...
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High-Efficiency, LED Driver Detailed Description The MAX16818 is a high-performance average-current- mode PWM controller for high-power, high-brightness LEDs (HBLEDs). Average current-mode control is the ideal method for driving HBLEDs. This technique offers inherently stable operation, reduces component derat- ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing The oscillator also generates a 2V P-P nal for the PWM comparator and a 180° out-of-phase clock signal for CLKOUT to drive a second LED regula- tor out-of-phase. The MAX16818 ...
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High-Efficiency, LED Driver Inductor Current-Sense Amplifier The differential current-sense amplifier (CA) provides a DC gain of 34.5. The maximum input offset voltage of the current-sense amplifier is 1mV and the common- mode voltage range 5.5V ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing Differential Amplifier The DIFF AMP facilitates remote sensing at the load (Figure 7). It provides true differential LED current (through the R sense resistor) sensing while rejecting LS the common-mode ...
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High-Efficiency, LED Driver Applications Information Application Circuit Descriptions This section provides some detail regarding the appli- cation circuits in the Simplified Diagram and Figures 1–5. The discussion includes some description of the topology as well as basic attributes. ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing nous MOSFET keeps the power dissipation to a minimum, especially when the input voltage is large when com- pared to the voltage on the LED string important to ...
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High-Efficiency, LED Driver Estimate the power loss (PD _) caused by the high-side MOS and low-side MOSFETs using the following equations − MOS ⎛ + ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing Buck: − OUT = C IN ∆ where I is the output current of the converter. For OUT example, ...
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High-Efficiency, LED Driver The main control loop consists of an inner current loop (inductor current) and an outer LED current loop. The MAX16818 uses an average current-mode control scheme to regulate the LED current (Figure 7). The VEA ...
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High-Efficiency, LED Driver with Rapid LED Current Pulsing PCB Layout Guidelines Use the following guidelines to layout the switching volt- age regulator: 1) Place the IN and close to the MAX16818. 2) Minimize ...
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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 ____________________ 25 © 2009 Maxim Integrated Products ...