MAX8678ETE+T Maxim Integrated Products, MAX8678ETE+T Datasheet
MAX8678ETE+T
Specifications of MAX8678ETE+T
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MAX8678ETE+T Summary of contents
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... A- OUT- INPUT EP NEG 1μF ________________________________________________________________ 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. White LED Charge Pump with 1.1W Audio Amplifier ♦ High-Efficiency White LED Charge Pump Individual Adaptive Supply for Each LED 4 Low-Dropout LED Current Regulators 24mA to 0 ...
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White LED Charge Pump with 1.1W Audio Amplifier ABSOLUTE MAXIMUM RATINGS IN to GND ..............................................................-0.3V to +6. NEG ..............................................................-0.3V to +6.0V ENLED, ENAMP, LED_, C+, A+, A-, OUT+, OUT-, BIAS to GND…….....................................-0. ENLED, ENAMP, LED_, C+, ...
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ELECTRICAL CHARACTERISTICS (continued 3.6V 0V -40°C to +85°C, unless otherwise noted. Typical values are GND A PARAMETER LED DRIVER Current-Setting Range Current Accuracy LED_ Dropout LED_ Voltage-Mode Transition Threshold (1x to ...
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White LED Charge Pump with 1.1W Audio Amplifier (V = 3.2V 8Ω +25°C, unless otherwise noted TOTAL HARMONIC DISTORTION + NOISE vs. FREQUENCY 0.1 OUTPUT POWER = 150mW OUTPUT POWER = 50mW 0.01 ...
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R = 8Ω +25°C, unless otherwise noted LED EFFICIENCY vs. SUPPLY VOLTAGE (MISMATCHED LEDs) 100 1.6mA 20.8mA 6.4mA 20 ...
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White LED Charge Pump with 1.1W Audio Amplifier (V = 3.2V 8Ω +25°C, unless otherwise noted LED SINGLE-WIRE PULSE DIMMING V ENLED I LED 200ms/div PIN NAME Analog Supply-Voltage Input. The input voltage ...
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TO 5.5V INPUT SUPPLY IN C1 4.7μF GND LED ON/OFF AND DIMMING ENLED AMP ON/OFF AND GAIN ENAMP A+ DIFFERENTIAL AUDIO INPUT A- OPTIONAL FILTER CAPACITORS Figure 1. Functional Diagram Detailed Description The MAX8678 integrates a charge pump for ...
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White LED Charge Pump with 1.1W Audio Amplifier LED Charge Pump The charge pump drives up to four white LEDs with regulated constant current for displaying backlight applications. By utilizing an adaptive charge pump and extremely low-dropout current regulators, it ...
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Table 2. LED Current Levels ENLED ENLED LED CURRENT RISING RISING (mA) EDGES EDGES 11.2 ...
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White LED Charge Pump with 1.1W Audio Amplifier Serial-Pulse Gain Adjustment (ENAMP) The audio amplifier has an internal gain adjustment, controlled by a serial-pulse interface. The gain setting of the input amplifier is adjustable from -9dB to +18dB in 3dB ...
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The fully differential amplifier inputs can be biased at voltages other than midsupply. The common-mode feedback circuit adjusts for input bias, ensuring the outputs are still biased at midsupply. Input capacitors are not required as long as the common-mode input ...
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White LED Charge Pump with 1.1W Audio Amplifier (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) E MARKING E/2 AAAA D 0.10 ...
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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 ____________________ 13 © 2007 Maxim Integrated Products White LED Charge Pump with 1 ...