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Description
Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5
Converts up to 38V to 5V efficiently
Handles high-power tasks with 9A current
Features robust built-in protections
Integrates easily with compact design
Alerts with 'power good' status indicator
The Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5 is a synchronous switching regulator designed to efficiently convert input voltages of up to 38 V to a stable 5 V output. It is capable of delivering an output current of approximately 9 A, making it suitable for high-power applications such as powering motors or servos. The regulator maintains high efficiency, typically ranging from 80% to 95%, even at light loads by dynamically adjusting the switching frequency. An optional shutdown pin allows the device to enter a low-power state, reducing current draw significantly.
This regulator features built-in protections, including reverse-voltage protection, short-circuit protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under various conditions. The output voltage can be adjusted by adding an external resistor, providing flexibility for different applications. A 'power good' indicator is included to monitor the main power status, alerting users when the output voltage falls below the set threshold.
The compact design of the regulator includes multiple connection options, such as solderless breadboards and terminal blocks, facilitating easy integration into various systems. The board's layout is optimized for efficient heat dissipation, although care should be taken during operation as the device can become hot.
Note: During normal operation, this product can get hot enough to burn you. Take care when handling this product or other components connected to it.
1x Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5
40.6 x 20.3 x 7.6 mm (1.6 x 0.8 x 0.3")
Input voltage: 5 to 38 V
Fixed 5 V output with 4% accuracy
Maximum continuous output current: 4 A to 8 A
Integrated reverse-voltage protection
Over-current and short-circuit protection
Over-temperature shutoff
Soft-start feature
Under-voltage lockout
Efficiency: 80% to 95%
No-load quiescent current: 800 μA
'Power good' output indicates inability to maintain set output voltage
Four mounting holes for #2 or M2 screws
Smaller holes for 0.1″ header pins and larger holes for terminal blocks
