Allegro MicroSystems32-VFQFN Exposed PadRoHS
A3998SETTR-T
IC MTR DRVR BIPOLAR 3-5.5V 32QFN
Category
Subcategory
Pmic Motor Drivers Controllers
Package
32-VFQFN Exposed Pad
Status
Obsolete
$2.65 / unit (market reference)
MOQ: 114 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Allegro MicroSystems |
| Model | A3998SETTR-T |
| Package / Case | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Topology | Driver - Fully Integrated, Control and Power Stage |
| Current - Output | 1.5A |
| Supplier Device Package | 32-QFN (5x5) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
A3998SETTR-T by Allegro MicroSystems is a Driver - Fully Integrated, Control and Power Stage IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 32-VFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Driver - Fully Integrated, Control and Power Stage |
| Interface | Serial |
| Technology | DMOS |
| Applications | General Purpose |
| Voltage - Load | 9V ~ 50V |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
| Current - Output | 1.5A |
| Voltage - Supply | 3V ~ 5.5V |
| Motor Type - AC, DC | Brushed DC |
| Motor Type - Stepper | Bipolar |
| Output Configuration | Half Bridge (4) |
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