The MAX1522 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains two separate step-up switching controller circuits. The first circuit (left side) utilizes the MAX1524, is configured for +5V output, and can deliver up to 1A of current. The MAX1524 supply pin is bootstrapped to the output. The second circuit (right side) utilizes the MAX1522, is configured for +12V output, and can deliver up to 200mA of current with the input voltage as low as +2.7V.
The MAX1522 and MAX1524 feature soft-start and fault-detect. The EV kit allows the user to set the on-time of the N-channel MOSFETs to either 0.5µs or 3µs.
Key Features
Applications/Uses
Input Voltage
+1.5V to +5.5V (Left Side, BOOTSTRAPPED)
+2.5V to +5.5V (Right Side, NON-BOOTSTRAPPED)
Output Voltage
+5V Output up to 1A (Left Side)
+12V Output up to 200mA (Right Side)
No Current-Sense Resistor
Fault-Detection
Soft-Start Limits Inrush Current
Selectable Maximum Duty Cycle (45% or 80%)
Adjustable Output Voltages
1µA (max) Shutdown Current
Switching Frequency Up to 1MHz
Fully Assembled and Tested
Industrial +24V and +28V Power Supplies
LCD Bias Supplies
Low-Cost Battery-Powered Applications
Low-Cost, High-Current, or High-Voltage Boost Conversion
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