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Product Information
Editorial Review
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while allowing a typical continuous output current of up to 9 A. Typical efficiencies of 80% to 95% make this regulator well suited for higher-power applications like powering motors or servos, while high efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps. The regulator's output voltage setting can also be lowered by adding an external resistor. These high-current step-down (buck) regulators generate a fixed 5 V output from input voltages up to 38 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and have a typical efficiency between 80% to 95%. The available output current is a function of the input voltage and efficiency (see the Typical Efficiency and Output Current section below), but the output current can typically be as high as 9 A. A very similar version of this regulator is available with a typical maximum output current of 6 A. The two versions of the board are difficult to tell apart visually, so the bottom silkscreen includes a blank space where you can add your own distinguishing marks or labels. You should not use the colors of the printing on the tall, cylindrical electrolytic capacitors to differentiate the two versions as these colors are subject to change. We also carry two much smaller versions of this regulator, one with a typical maximum output current of 2.5 A and one with a typical maximum output current of 5 A.
Features
1) Input voltage: 5 to 38 V (see below for more details on the regulator's dropout voltage, which affects the low end of the operating range)
2) Fixed 5 V output (with 4% accuracy); this can be lowered by adding an external resistor between FB and VOUT
3) Typical maximum continuous output current: 9 A
4) Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, soft-start, and under-voltage lockout
5) Typical efficiency of 80% to 95%, depending on input voltage and load; the switching frequency automatically changes at light loads to maintain high efficiencies
Specification
Binding : Electronics
Brand : Pololu
EAN : 0602401813403
Label : Pololu
Manufacturer : Pololu
PackageDimensions : L:4.00 X W:3.00 X H:0.20
ProductGroup : Speakers
ProductTypeName : TOYS_AND_GAMES
Publisher : Pololu
Studio : Pololu
Title : Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while allowing a typical continuous output current of up to 9 A. Typical efficiencies of 80% to 95% make this regulator well suited for higher-power applications like powering motors or servos, while high efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps. The regulator's output voltage setting can also be lowered by adding an external resistor. These high-current step-down (buck) regulators generate a fixed 5 V output from input voltages up to 38 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and have a typical efficiency between 80% to 95%. The available output current is a function of the input voltage and efficiency (see the Typical Efficiency and Output Current section below), but the output current can typically be as high as 9 A. A very similar version of this regulator is available with a typical maximum output current of 6 A. The two versions of the board are difficult to tell apart visually, so the bottom silkscreen includes a blank space where you can add your own distinguishing marks or labels. You should not use the colors of the printing on the tall, cylindrical electrolytic capacitors to differentiate the two versions as these colors are subject to change. We also carry two much smaller versions of this regulator, one with a typical maximum output current of 2.5 A and one with a typical maximum output current of 5 A.
Features
1) Input voltage: 5 to 38 V (see below for more details on the regulator's dropout voltage, which affects the low end of the operating range)
2) Fixed 5 V output (with 4% accuracy); this can be lowered by adding an external resistor between FB and VOUT
3) Typical maximum continuous output current: 9 A
4) Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, soft-start, and under-voltage lockout
5) Typical efficiency of 80% to 95%, depending on input voltage and load; the switching frequency automatically changes at light loads to maintain high efficiencies
Specification
Binding : Electronics
Brand : Pololu
EAN : 0602401813403
Label : Pololu
Manufacturer : Pololu
PackageDimensions : L:4.00 X W:3.00 X H:0.20
ProductGroup : Speakers
ProductTypeName : TOYS_AND_GAMES
Publisher : Pololu
Studio : Pololu
Title : Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5
