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AME7739 Datasheet(PDF) 1 Page - Analog Microelectronics |
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AME7739 Datasheet(HTML) 1 Page - Analog Microelectronics |
1 / 11 page AME, Inc. 1 Rev.A.02 AME7739 Step-Up / Step-Down 60mA Regulated Charge Pump n General Description n Features n Applications The AME7739 is a charge pump voltage converter that delivers a regulated output. No external inductor is re- quired for operation. Using three small capacitors, the AME7739 can deliver up to 60mA to the voltage regu- lated output. The AME7739 features very low output ripple and high efficiency over a large portion of its load range making this device ideal for battery-powered applications. Furthermore, the combination of few external components and small package size keep the total converter board area to a minimum in space restricted applications. The AME7739 contains a thermal management circuit to protect the device under continuous output short cir- cuit conditions. The AME7739 is available in SOT-26 package and is rated from -40OC to 85OC. l Output Voltage Range: 5.5V, 5V, 3.3V, 3.0V, 2.7V, 2.5V l Accurate to with ±5% l 1MH Z Switching Frequency l Shutdown Supply Current < 1 µA l Short Circuit Protection:Typ. 80mA l Over Temperature Protection l All AME's Lead Free Product Meet RoHS Standards l Cellular Phone l Digital Camera l PDAs LCD display l LED/Display Back Light Driver l Smart Card Reader l SIM Card Supply l PCMCIA Card l LCD Display n Functional Block Diagram n Typical Application Control EA φ2 EN C- C+ V IN V OUT GND φ1 φ1 φ2 φ2 φ1 + - AME 7739 OUT C+ EN C- GND IN ON OFF V IN V OUT 3.0V to 5.5V 5V / 60mA C PUMP = 0.22µF C IN = 2.2µF C OUT = 2.2µF |
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