| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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26,910 pcs
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26910 pcs | On Request | 1 | On Request | On Request | 2020+ | On Request | On Request |
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The MCP1603LT-330I/OS from Microchip Technology is a high-efficiency, fully-integrated 500mA synchronous buck regulator. It is designed for applications requiring a stable 3.3V output voltage from an input range of 2.7V to 5.5V, making it suitable for battery-powered devices.
This regulator operates at a fixed 2.0 MHz PWM frequency under heavy loads, providing a low-noise, low-output ripple solution. For light loads, the MCP1603/L variants automatically transition to a Pulse Frequency Modulation (PFM) mode to minimize quiescent current draw, achieving high efficiency across the entire operating current range. The MCP1603B variant operates exclusively in PWM mode.
Key features include over 90% typical efficiency, low quiescent current of 45 µA (typical for MCP1603/L), and low shutdown current of 0.1 µA (typical). It also incorporates Undervoltage Lockout (UVLO) and overtemperature protection.
The device is available in a compact TSOT-23-5 package, suitable for surface mounting, and requires minimal external components for a complete solution.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.08 | $1.08 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The output voltage is fixed at 3.3V.
The maximum output current is 500mA.
The input voltage range is 2.7V to 5.5V.
The operating junction temperature range is -40°C to 125°C.
It is available in a TSOT-23-5 surface-mount package.
Yes, it includes a synchronous rectifier.