STMicroelectronics8-SOIC (0.154", 3.90mm Width)RoHS
A5970AD
IC REG BUCK ADJUSTABLE 1A 8SO
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
8-SOIC (0.154", 3.90mm Width)
Series
Automotive, AEC-Q100
Status
Obsolete
$2.99 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | A5970AD |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 36V |
| Voltage - Output | 1.235V |
| Current - Output | 1A |
| Frequency - Switching | 500kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
A5970AD by STMicroelectronics is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 36V, output 1.235V. The 8-SOIC (0.154", 3.90mm Width) 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 | Step-Down |
| Topology | Buck |
| Output Type | Adjustable |
| Current - Output | 1A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 36V |
| Voltage - Input (Min) | 4V |
| Voltage - Output (Max) | 36V |
| Voltage - Output (Min/Fixed) | 1.235V |
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