Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Function | Low-quiescent-current positive LDO regulator |
| Fixed output | 3.0 V |
| Output tolerance | 2% |
| Input capability | Up to 10 V |
| Typical quiescent current | 2 µA |
| Dropout | 250 mV typical at 100 mA |
| Temperature grade | Industrial, -40°C to +85°C |
| Lifecycle | End of Life family |
Product Overview
The MCP1701AT-3002I/CB is the 3.0 V, 2% industrial-temperature SOT-23A version of Microchip’s MCP1701A low-quiescent-current LDO family. Its roughly 2 µA typical ground current makes it suitable for low-duty-cycle and battery-powered circuits where regulator standby loss matters.
Microchip marks the MCP1701 family End of Life. Existing designs can still require this exact orderable, but new procurement should treat lifecycle status as a first-class constraint and verify available supply or a qualified redesign path before committing long production runs.
Technical Specifications
| Parameter | Confirmed Information |
|---|---|
| Nominal output voltage | 3.0 V |
| Output tolerance | 2% code |
| Input voltage | Up to 10 V |
| Typical quiescent current | 2 µA |
| Typical dropout at 100 mA | 250 mV |
| Typical dropout at 200 mA | 500 mV |
| Minimum output capacitor | 1 µF |
| Protection | Short-circuit protection |
| Industrial temperature | -40°C to +85°C |
| SOT-23A thermal resistance | Board-dependent; datasheet lists ~230°C/W on four-layer FR-4 |
| Package | SOT-23A-3 |
Design Considerations
Output-capacitor value and ESR must follow the MCP1701A stability requirements. A nominal 1 µF capacitor can lose effective capacitance with DC bias, especially in small ceramic packages.
The 10 V input ceiling does not imply that large input-to-output drops are thermally practical at high load current. Verify junction temperature from package thermal resistance and the real VIN−VOUT dissipation.
Related Engineering Resources
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
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