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AME7702 Datasheet(PDF) 1 Page - Analog Microelectronics |
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AME7702 Datasheet(HTML) 1 Page - Analog Microelectronics |
1 / 11 page Analog Microelectronics, Inc. 1 AME7700/AME7701/AME7702 Switched Capacitor Voltage Doublers Preliminary n n n n n Features l Small packages: SOT-25, SOT-26 l +1.5V to +5.5V Input Range l 60uA Quiescent Current ( AME7700) l 99% Conversion Efficiency l Output Current Exceeding 100mA l User Selectable Frequency ( AME7702) n n n n n General Description The AME7700 series of economical, Charge-Pump Converters efficiently double a +1.5V to +5.5V input to +3.0V to +11V, with a working current exceeding 100mA. Due to their simplicity, small size, and performance, these CMOS converters have numerous applications. For most cases, only (2) external capacitors are re- quired, however, in some cases, a single capacitor is acceptable. Minimum capacitance is obtained with the AME7701, while the AME7700 offers the lowest stand- by current. The AME7702 has a Frequency-Select pin for added flexibility. The input voltage can be tripled or quadrupled by cascading 2 Charge-Pumps. A single alkaline battery With it’s low start-up voltage, a single alkaline battery can be configured with (2) AME7700’s to quadruple the voltage and produce 5V out. Alternately, with a 5V source, (2) AME7700’s can be configured to triple the voltage and produce 15V out. n n n n n Applications l Cellular Phones l Digital Cameras l Battery Chargers l High Tech Flashlights l PDA’s - LCD displays l Consumer Electronics l Pagers n n n n n Pin Configuration l Portable Electronics 4 5 12 3 AME7700 AME7701 n n n n n Typical Connection 4 5 1 2 3 6 AME7702 AME 7700/7701 SOT-25 Top View SOT-26 Top View 1: GND 4: IN 1: GND 4: IN 2: OUT 5: CP 2: CN 5: FC 3: CN 3: OUT 6: CP V OUT V IN DC OUT CN GND IN CP C1 C2 |
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