MC34063ADR
IC REG BUCK BST ADJ 1.5A 8SOIC
Pmic Voltage Regulators Dc Dc Switching Regulators
8-SOIC (0.154", 3.90mm Width)
Active
$0.78 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | MC34063ADR |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Topology | Buck, Boost |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 40V |
| Voltage - Output | 1.25V |
| Current - Output | 1.5A (Switch) |
| Frequency - Switching | 100kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MC34063ADR by Texas Instruments is a Buck, Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 40V, output 1.25V. 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-Up, Step-Down |
| Topology | Buck, Boost |
| Output Type | Adjustable |
| Current - Output | 1.5A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 100kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 3V |
| Voltage - Output (Max) | 40V (Switch) |
| Voltage - Output (Min/Fixed) | 1.25V |
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