STMicroelectronics8-SOIC (0.154", 3.90mm Width) Exposed PadRoHS
L7985A
IC REG BUCK ADJUSTABLE 2A 8HSOP
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Status
Active
$2.35 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | L7985A |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 38V |
| Voltage - Output | 0.6V |
| Current - Output | 2A |
| Frequency - Switching | 250kHz ~ 1MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 8-HSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
L7985A by STMicroelectronics is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 38V, output 0.6V. The 8-SOIC (0.154", 3.90mm Width) 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 | Step-Down |
| Topology | Buck |
| Output Type | Adjustable |
| Current - Output | 2A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 1MHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 38V |
| Voltage - Input (Min) | 4.5V |
| Voltage - Output (Max) | 38V |
| Voltage - Output (Min/Fixed) | 0.6V |
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