AAT3129_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3129_07 Datasheet
AAT3129_07
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AAT3129_07 Summary of contents
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General Description The AAT3129 is a high efficiency charge pump DC/DC converter with tri-mode load switch (1X) fractional (1.5X) and doubling (2X) conversion for color LED applications. A single current source out- put provides a regulated current to drive R, ...
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Pin Descriptions Pin # Symbol Function 1 C2+ Flying capacitor 2 positive terminal. Connect a 1μF capacitor between C2+ and C2 Charge pump output. Requires 1μF capacitor connected between this pin and ground. 3 C1- Flying capacitor 1 ...
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Absolute Maximum Ratings Symbol Description V Input Voltage IN V Charge Pump Output CP V EN/SET to GND Voltage EN/SET V Maximum EN/SET to Input Voltage EN/SET(MAX) T Operating Junction Temperature Range J T Maximum Soldering Temperature (at leads, 10 ...
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Electrical Characteristics V = 3.5V 1μ Symbol Description Input Power Supply V Operation Range IN I Operating Current CC I Shutdown Current SHDN I Output Current Accuracy SRC ...
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Typical Characteristics Turn- Mode (V = 4.2V; ISRC = 60mA) IN EN/SET (2V/div) CP (2V/div) I ISRC (50mA/div) 100μ μ s/div Turn- Mode (V = 2.8V; ISRC = 60mA) IN EN/SET (2V/div) CP (2V/div) I ISRC ...
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Typical Characteristics Operating Characteristics (V = 4.2V; DR, DB, and Mode (1V/div) V ISRC (1V/div) I ISRC (50mA/div) 100μ μ s/div Operating Characteristics (V = 3.6V Mode; DG and DB in 1.5X ...
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Typical Characteristics Oscillator Frequency vs. Temperature 1.5 1.4 1.3 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 -40 - Temperature (° ° vs. V ISRC 3.5V +25°C 61 ...
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Typical Characteristics Switch Resistance vs. Supply Voltage 1.4 1.2 +85°C 1.0 0.8 0.6 +25°C 0.4 0.2 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5 Supply Voltage ( 1050 ...
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Functional Block Diagram AS EN/SET Interface Functional Description The AAT3129 is a tri-mode load switch (1X) and high efficiency (1.5X or 2X) charge pump device intended for fashion color LED lighting applications. To maximize power conversion efficiency, an inter- nal ...
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Applications Information AS Cwire Serial Interface 2 The Advanced Simple Serial Control digital interface is used to set the color, overall intensity, and method of update for the R, G, and B channels. The intensi- ty for each channel is ...
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Color Registers R, G, and B The individual color brightness is set using the three R, G, and B registers. The data register con- tents determine the on-time for each color channel during a PWM cycle. The first level is ...
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Mode Register Settings - Address 5 M Setting 1 2 LED Current The resulting DC current for each of the R, G, and B channels depends on the overall system settings. Using the overall settings, the current for a particular ...
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Ceramic Capacitor Materials Ceramic capacitors less than 0.1μF are typically made from NPO or C0G materials. NPO and C0G materials typically have tight tolerance and are sta- ble over temperature. Larger capacitor values are typically composed of X7R, X5R, Z5U, ...
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Ordering Information Output Current Package 60mA TSOPJW-12 All AnalogicTech products are offered in Pb-free packaging. The term “Pb-free” means semiconductor products that are in compliance with current RoHS standards, including the requirement that lead not exceed 0.1% by weight in ...
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Advanced Analogic Technologies, Inc. AnalogicTech cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an AnalogicTech product. No circuit patent licenses, copyrights, mask work rights, or other intellectual property rights are implied. AnalogicTech reserves ...