LP2950CDT-5.0

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

The LP2950CDT-5.0G is a micropower low dropout voltage regulator manufactured by onsemi, designed to maintain regulation with an extremely low input-to-output voltage differential. It features a quiescent bias current of 75 µA and supplies output currents exceeding 100 mA. The device provides a fixed 5.0 V output with ±1.0% tolerance at 25°C. It operates within an ambient temperature range of -40°C to +125°C and accepts a maximum input voltage of 30 Vdc. Internal current and thermal limiting protection are included. The component is housed in a DPAK (Case 369C) surface-mount package.

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

• Low quiescent bias current for extended battery life
• Extremely low input-to-output voltage differential
• Internal current and thermal limiting protection
• Requires only a 1.0 µF output capacitor for stability

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

• Battery powered computer equipment
• Consumer electronics
• Industrial equipment requiring low power consumption

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

Verify the specific ordering suffix 'G' indicates lead-free and RoHS compliance as per onsemi documentation. Confirm the package type matches the required PCB footprint for the DPAK (Case 369C) configuration. Ensure the application environment stays within the specified -40°C to +125°C operating temperature range. Check for any automotive-specific requirements that might necessitate the NCV prefix variant instead of the standard LP2950 series.

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

Select this part when a fixed 5.0 V output is required with minimal static power consumption. The DPAK package offers better thermal dissipation compared to TO-92 variants. Consider the LP2951 if additional features like programmable output voltage or shutdown control are needed, as the LP2950 lacks these functions. Ensure the load current does not exceed the 100 mA rating and that the input voltage remains below the 30 V maximum limit.

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

The LP2950 is part of a family of micropower voltage regulators from onsemi, alongside the feature-rich LP2951. While the LP2951 includes error outputs and shutdown inputs, the LP2950 focuses on simplicity with a fixed output voltage. Both share similar electrical characteristics regarding dropout voltage and bias current. The LP2950 is available in TO-92 and DPAK packages, catering to different assembly and thermal management needs.

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

LP2950ACDT-5.0G offers tighter initial output voltage tolerance (±0.5%). LP2950CDT-3.0G and LP2950CDT-3.3G provide alternative fixed voltages in the same package.