MCP1703-3302E/DB

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The MCP1703-3302E/DB is a fixed-output low dropout linear regulator from Microchip Technology, providing a stable 3.3V output with a maximum continuous current of 250 mA. It operates within an input voltage range of 2.7V to 16.0V and features a typical quiescent current of 2.0 µA. The device utilizes a SOT-223-3 surface-mount package and includes integrated short-circuit and overtemperature protection. It maintains stability with ceramic output capacitors ranging from 1.0 µF to 22 µF.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Low quiescent current consumption for extended battery life
• Integrated short-circuit and overtemperature protection circuits
• Stable operation with small-value ceramic output capacitors

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered alarm circuits
• Microcontroller power supply
• Smart battery packs
• Digital cameras

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix 'DB' corresponds to the SOT-223-3 package configuration required for your PCB layout. Confirm that the component meets RoHS compliance standards if mandated by your project specifications. Ensure the ordering part number matches the exact electrical characteristics needed for your design.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 3.3V rail is required with minimal ground current draw. It is suitable for applications where the input voltage can drop close to the output level due to its low dropout characteristic. Verify thermal dissipation capabilities based on the expected ambient temperature and copper area in the SOT-223-3 package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to the MCP1703 family of CMOS low dropout regulators designed for high efficiency and low noise. The family offers various fixed output voltages and multiple package options including SOT-23A, SOT-89-3, and DFN-8. The MCP1703 series is engineered for portable electronics requiring reliable regulation under varying load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct pin-compatible replacements include other variants within the MCP1703 family such as MCP1703AT-3302E/DB or MCP1703-3302E/CB, provided the package type matches the board footprint.