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AME7701

Analog Microelectronics
Part Number AME7701
Manufacturer Analog Microelectronics
Description Switched Capacitor Voltage Doublers
Published Mar 26, 2005
Detailed Description Analog Microelectronics, Inc. AME7700/AME7701/AME7702 nary i m i l Pre Switched Capacitor Voltage Doublers n General ...
Datasheet PDF File AME7701 PDF File

AME7701
AME7701

Overview
Analog Microelectronics, Inc.
AME7700/AME7701/AME7702 nary i m i l Pre Switched Capacitor Voltage Doublers 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 required, however, in some cases, a single capacitor is acceptable.
Minimum capacitance is obtained with the AME7701, while the AME7700 offers the lowest standby 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 Features l l l l l l Small packages: SOT-25, SOT-26 +1.
5V to +5.
5V Input Range 60uA Quiescent Current ( AME7700) 99% Conversion Efficiency Output Current Exceeding 100mA User Selectable Frequency ( AME7702) n Applications l l l l l l l l n Typical Connection AME 7700/7701 Cellular Phones Digital Cameras Battery Chargers High Tech Flashlights PDA’s - LCD displays Consumer Electronics Pagers Portable Electronics V IN DC IN CN n Pin Configuration VOUT C1 CP OUT GND SOT-25 Top View C2 5 4 SOT-26 Top View 6 5 4 AME7700 AME7701 AME7702 1 1: GND 2: OUT 3: CN 2 3 4: IN 5: CP 1 1: GND 2: CN 3: OUT 2 3 4: IN 5: FC 6: CP 1 Analog Microelectronics, Inc.
AME7700/AME7701/AME7702 nary i m i l Pre Switch Capacitor Voltage Doublers n Pin Description AME7700AEEV/ AME7701AEEV Pin 1 2 3 4 5 Designation GND OUT CN IN CP Function Ground (-Supply) Power Output Capacitor (-) Power Input Capacitor (+) AME7702AEEY Pin 1 2 3 4 5 6 Designation GND CN OUT IN ...


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