MP2109
Dual 1.2MHz, 800mA Synchronous
Step-Down Converter
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The Future of Analog IC Technology
DESCRIPTION
FEATURES
The MP2109 contains two independent 1.2MHz
constant frequency, current mode, PWM
step-down
converters.
Each
converter
integrates a main switch and a synchronous
rectifier for high efficiency without an external
Schottky diode. The MP2109 is ideal for
powering portable equipment that runs from a
single cell Lithium-Ion (Li+) battery. Each
converter can supply 800mA of load current
from a 2.5V to 6V input voltage. The output
voltage can be regulated as low as 0.6V. The
MP2109 can also run at 100% duty cycle for
low dropout applications.
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EVALUATION BOARD REFERENCE
APPLICATIONS
Board Number
Dimensions
EV2109DQ-00A
1.5”X x 1.0”Y x 0.5”Z
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Up to 95% Efficiency
1.2MHz Constant Switching Frequency
800mA Load Current on Each Channel
2.5V to 6V Input Voltage Range
Output Voltage as Low as 0.6V
100% Duty Cycle in Dropout
Current Mode Control
Short Circuit Protection
Thermal Fault Protection
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