AAT3119_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3119_07 Datasheet
AAT3119_07
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AAT3119_07 Summary of contents
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General Description The AAT3119 is a general purpose high efficiency voltage regulated charge pump IC that can produce output current levels up to 150mA voltage regulated output device, it may be used for general voltage boost applications or ...
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Pin Descriptions Pin # Symbol OUT GND 7 GND 8 GND Pin Configuration 2 High Efficiency 2X Charge Pump Function Enable input control pin. When low, the device is disabled ...
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Absolute Maximum Ratings Symbol Description V Input Voltage IN V Charge Pump Output OUT GND Voltage EN V Maximum EN to Input Voltage EN(MAX) I Maximum DC Output Current OUT T Operating Junction Temperature Range J T ...
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Electrical Characteristics V = 3.3V 1.0μ OUT FLY Symbol Description AAT3119-5.0 Power Supply V Input Voltage Range IN Output Voltage Tolerance V OUT Output Voltage I Operating Current CC I Shutdown ...
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Typical Characteristics _ AAT3119-5V Output Voltage vs. Output Current 5.4 5.2 5 3.0 4 4.4 4.2 4 120 Output Current (mA) Supply Current vs ...
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Typical Characteristics _ AAT3119-5V Start-Up Time with 50mA Load ENABLE (1V/div) V OUT (1V/div) Time (100μs/div) Load Response (50mA Load 3. OUT (10mV/div) I OUT (20mA/div) Time (5ms/div) Output Ripple Voltage (I = 50mA @ V ...
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Typical Characteristics _ AAT3119-4.5V Output Voltage vs. Output Current 5.0 4 4.6 4.4 4.2 4.0 3 2.7 IN 3.6 3.4 3.2 3 120 Output Current (mA) Supply Current vs ...
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Typical Characteristics _ AAT3119-4.5V Load Response (50mA Load 3. OUT (10mV/div) I OUT (20mA/div) Time (5ms/div) Output Ripple Voltage (I = 50mA @ V OUT V IN (10mV/div) V OUT (10mV/div (10mA/div) Time (1μs/div) ...
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Typical Characteristics _ AAT3119 V vs 1.00 0.95 0.90 -40°C 0.85 0.80 +25°C 0.75 0.70 0.65 +85°C 0.60 0.55 0.50 2.7 3.1 3.5 3.9 4.3 Supply Voltage (V) V Threshold vs. Supply Voltage EN 1.00 0.95 0.90 ...
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Functional Block Diagram IN EN Functional Description The AAT3119 is a 5.0V or 4.5V regulated voltage doubling charge pump device intended for general applications that require low noise voltage boost function from input supplies ranging from 2.7V to 5.5V. The ...
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In the operating state, the AAT3119 typically con- sumes 2mA of quiescent operating current. The enable pin (EN active high input. When pulled low, the AAT3119 is shut down, the quies- cent current drops to less than 1μA, ...
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Flying Capacitor Due to the switching operation of the voltage dou- bling circuit topology, current flow through the flying capacitor is bi-directional. The flying capacitor selected must be a non-polarized type. A 1μF low ESR ceramic capacitor is ideal for ...
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BATTERY 1μF Enable Flash LED Driver The AAT3119 can source 250mA for pulsed loads up to 500ms from an input supply as low as 3.3V. This makes the device well suited for low-cost flash LED driver applications ...
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1μF Enable If a "light" or "movie" mode is also needed along with the flash function, this can be accomplished with the addition of a second ballast resistor with a flash function gating MOSFET switch as ...
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1μF Enable Flash Enable Figure 3: Flash LED Driver with Gated Flash Application. Layout Considerations For the AAT3119, the high charge pump switching frequencies and large peak transient currents require careful printed circuit board layout. As ...
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Figure 4: AAT3119 Evaluation Board Top Side Layout. JP1 VIN 2 GND 1 C1 1μF R5 100K EN C3 1μF Figure 5: AAT3119 Evaluation Board Schematic Diagram. 16 High Efficiency 2X Charge Pump U1 2 AAT3119 OUT ...
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Quantity Designator Description 1 U1 High Efficiency 2X Charge Pump 1 R5 100K 5% 1/8 W 0603 4 R1, R2, 49.9Ω 1/8W 0805 R3 JP1, JP2 Header, 2-Pin 2mm 1 EN Test Pin 4 DS1, DS2, White LED ...
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Ordering Information Package SC70JW-8 SC70JW-8 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 homogeneous materials. ...