STMicroelectronics10-VFDFN Exposed PadRoHS
STBB1-APUR
IC REG BCK BST ADJ 1.6A 10DFN
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
10-VFDFN Exposed Pad
Status
Active
$2.87 / 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 | STBB1-APUR |
| Package / Case | 10-VFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TJ) |
| Topology | Buck-Boost |
| Voltage - Input (Min) | 2V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 1.2V |
| Current - Output | 1.6A (Switch) |
| Frequency - Switching | 1.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 10-DFN (3x3) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
STBB1-APUR by STMicroelectronics is a Buck-Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 1.2V. The 10-VFDFN 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-Up/Step-Down |
| Topology | Buck-Boost |
| Output Type | Adjustable |
| Current - Output | 1.6A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 1.5MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 2V |
| Voltage - Output (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V |
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