Allegro MicroSystems24-PowerDIP (0.300", 7.62mm)RoHS
A3973SB
IC MTR DRV BIPOLR 4.5-5.5V 24DIP
Category
Subcategory
Pmic Motor Drivers Controllers
Package
24-PowerDIP (0.300", 7.62mm)
Status
Obsolete
Price available on request
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Allegro MicroSystems |
| Model | A3973SB |
| Package / Case | 24-PowerDIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Topology | Driver - Fully Integrated, Control and Power Stage |
| Current - Output | 1A |
| Supplier Device Package | 24-DIP |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
A3973SB 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 24-PowerDIP (0.300", 7.62mm) 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 | 15V ~ 35V |
| Step Resolution | 1 ~ 1/64 |
| Current - Output | 1A |
| Voltage - Supply | 4.5V ~ 5.5V |
| Motor Type - Stepper | Bipolar |
| Output Configuration | Half Bridge (4) |
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