Overview
The LP2950CZ-5.0G is a micropower voltage regulator produced by onsemi, designed to provide low power, low dropout voltage regulation. This device is part of the LP2950 and LP2951 series, which are known for their extremely low input-to-output voltage differential and low quiescent bias current. The LP2950CZ-5.0G is specifically configured to deliver a fixed output voltage of 5.0V, making it suitable for a variety of applications where precise voltage regulation is required.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Max | 30 | V |
| Output Voltage (Nominal) | 5.0 | V |
| Output Voltage Tolerance | ±0.5% (for 'A' suffix devices) | % |
| Output Current Max | 100 | mA |
| Quiescent Bias Current | 75 μA | μA |
| Dropout Voltage (at 100 mA) | 350-450 mV | mV |
| Operating Ambient Temperature Range | -40 to +125 °C | °C |
| Maximum Die Junction Temperature | +150 °C | °C |
| Storage Temperature Range | -65 to +150 °C | °C |
| Package Type | TO-92 |
Key Features
- Low quiescent bias current of 75 μA, extending battery life in portable devices.
- Low input-to-output voltage differential of 50 mV at 100 μA and 380 mV at 100 mA.
- Tight line and load regulation.
- Internal current and thermal limiting protection.
- Requires only a 1.0 μF output capacitor for stability.
- Available in fixed output voltages of 5.0V, 3.3V, and 3.0V, with the option for adjustable output voltage in other versions.
- Shutdown input (available in LP2951 versions) allows for logic-level control of the regulator output.
- Error output (available in LP2951 versions) can signal out-of-regulation conditions or serve as a microprocessor power-on reset.
Applications
The LP2950CZ-5.0G is ideally suited for battery-powered devices, including computers, consumer electronics, and industrial equipment where extending the useful battery life is crucial. It is also applicable in any system requiring low power consumption and precise voltage regulation.
Q & A
- What is the nominal output voltage of the LP2950CZ-5.0G?
The nominal output voltage is 5.0V. - What is the maximum input voltage for the LP2950CZ-5.0G?
The maximum input voltage is 30V. - What is the quiescent bias current of the LP2950CZ-5.0G?
The quiescent bias current is 75 μA. - What is the maximum output current of the LP2950CZ-5.0G?
The maximum output current is 100 mA. - What is the operating ambient temperature range for the LP2950CZ-5.0G?
The operating ambient temperature range is -40 to +125 °C. - Does the LP2950CZ-5.0G have internal protection features?
Yes, it has internal current and thermal limiting protection. - What type of package is the LP2950CZ-5.0G available in?
The LP2950CZ-5.0G is available in the TO-92 package. - Is the LP2950CZ-5.0G suitable for battery-powered devices?
Yes, it is specifically designed to extend the useful battery life in portable devices. - Does the LP2950CZ-5.0G require an external capacitor for stability?
Yes, it requires a 1.0 μF output capacitor for stability. - Are there other versions of the LP2950 with adjustable output voltage?
Yes, other versions like the LP2951 offer adjustable output voltage options.
