AAT3112 AAT, AAT3112 Datasheet
AAT3112
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AAT3112 Summary of contents
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... A low current shutdown feature disconnects the load from V and reduces quiescent current to less IN than 1μA. The AAT3112 is available in a Pb-free 16-pin 3x3mm QFN package and is rated over the -40°C to +85°C temperature range. Typical Application V ...
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Pin Descriptions Pin # Symbol Function N/C No connect. 2 C2+ Flying capacitor 2 positive terminal. Connect 1μF capacitor between C2+ and C2-. 3 C2- Flying capacitor 2 negative terminal. 5 VIN Input voltage. Connect to ...
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Absolute Maximum Ratings Symbol Description V Input Voltage IN V Charge Pump Output OUT GND Voltage EN T Operating Junction Temperature Range J T Maximum Soldering Temperature (at leads, 10 sec) LEAD Thermal Information Symbol Description P ...
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... EN(L) V Enable Threshold High EN( Input Leakage EN 1. The AAT3112 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correlation with statistical process controls and V are pulled high to prevent switching. OUT1 OUT2 ...
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Typical Characteristics V = 3.5V 10μ OUT V vs 1.00 0.95 -40°C 0.90 0.85 25°C 0.80 0.75 0.70 85°C 0.65 0.60 0.55 0.50 2.0 2.5 3.0 3.5 4.0 Input Voltage ...
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... Typical Characteristics-AAT3112-4. 3.5V 10μ OUT Output Voltage vs. Output Current 5.0 4 4.7 4.6 4 4.2V 4.4 IN 4.3 4.2 4.1 4 100 150 Output Current (mA) Startup Time with 100mA Load EN (2V/div) V OUT (1V/div) Time (50µs/div) Maximum Current Pulse vs. Input Voltage (50ms pulse; V > 4.0V) OUT 800 700 ...
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... Typical Characteristics- AAT3112-4. 3.5V 10μ OUT Load Transient Response (V = 3.0V OUT (200mA/div) V OUT (20mV/div) Time (50µs/div) Input and Output Ripples (I = 50mA @ V OUT Coupled (20mV/div) V OUT AC Coupled (20mV/div) Time (5µs/div) Output Current vs. Input Voltage (500ms Pulse Time; V ...
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... Typical Characteristics- AAT3112-4. 3.5V 10μ OUT Output Voltage vs. Input Voltage for Pulsed High Current (I = 500mA) OUT 5 50ms Pulse 4.5 4 3.5 500ms Pulse 3 2.5 2 1 3.2 3.4 3.6 Input Voltage (V) 8 500mA High Efficiency Charge Pump for White LED Flash Applications = C = 1μ 25°C, unless otherwise noted. ...
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... Typical Characteristics- AAT3112-5. 3.5V 10μ OUT Output Voltage vs. Output Current 5.5 5.4 5.3 5.2 5.1 5.0 4.9 4.8 4.7 4.6 4 100 150 Output Current (mA) Startup Time with 100mA Load EN (2V/div) V OUT (1V/div) Time (50µs/div) Maximum Current Pulse vs. Input Voltage (50ms pulse; V OUT 1000 900 800 700 600 ...
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... Typical Characteristics- AAT3112-5. 3.5V 10μ OUT Load Transient Response (V = 3.0V OUT (200mA/div) V OUT (20mV/div) Time (50µs/div) Input and Output Ripples (I = 50mA @ V OUT Coupled (20mV/div) V OUT AC Coupled (20mV/div) Time (5µs/div) Output Current vs. Input Voltage (500ms Pulse Time; V ...
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... Typical Characteristics- AAT3112-5. 3.5V 10μ OUT Output Voltage vs. Input Voltage for Pulsed High Current (I = 500mA) OUT 6 5 50ms Pulse 4 3 500ms Pulse 3.0 3.2 3.4 3.6 Input Voltage (V) 3112.2007.01.1.5 500mA High Efficiency Charge Pump for White LED Flash Applications = C = 1μ 25°C, unless otherwise noted. ...
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... Circuit The AAT3112 is designed to deliver 200mA of con- tinuous current and up to 500mA of pulsed current. Each charge pump engine has an independent enable pin to extend battery life. The charge pump switching frequency is approximately 750kHz, enabling the use of small external flying capacitors. ...
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... Applications Information Charge Pump Efficiency The AAT3112 is a regulated output voltage dou- bling charge pump. The efficiency (η) can simply be defined as a linear voltage regulator with an effective output voltage that is equal to two times the input voltage. Efficiency (η) for an ideal voltage ...
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Application Circuits PULSE 100ms - 500ms =10μF IN Light/Movie Mode Enable T PULSE Flash Enable Figure 2: Movie Mode Light with Flash Function. 14 500mA High Efficiency Charge Pump for White LED Flash ...
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... High Efficiency Charge Pump for White LED Flash Applications Marking Part Number (Tape and Reel) 1 LGXYY MNXYY QFN33-16 0.230 ± 0.050 Pin 1 Identification 1 C0.3 13 0.500 ± 0.050 Bottom View Side View 2 AAT3112IVN-4.5-T1 AAT3112IVN-5.0- 0.214 ± 0.036 15 ...
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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 ...