Overview
The LP2950ACZ-3.0G is a micropower voltage regulator produced by onsemi. This device is designed to maintain proper regulation with an extremely low input-to-output voltage differential, making it ideal for battery-powered computer, consumer, and industrial equipment. The LP2950 series features a very low quiescent bias current and is capable of supplying output currents in excess of 100 mA, which helps extend the useful battery life in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.0 | V |
| Output Voltage Tolerance | ±0.5% | % |
| Quiescent Bias Current | 75 | μA |
| Dropout Voltage (IO = 100 mA) | 350 - 450 | mV |
| Maximum Output Current | 100 | mA |
| Operating Ambient Temperature Range | -40 to +125 | °C |
| Maximum Die Junction Temperature | +150 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Package Type | TO-92 (TO-226) |
Key Features
- Low Quiescent Bias Current: 75 μA, which helps in extending battery life.
- Low Input-to-Output Voltage Differential: 50 mV at 100 μA and 380 mV at 100 mA.
- Tight Line and Load Regulation: Ensures stable output voltage across various operating conditions.
- Internal Current and Thermal Limiting Protection: Protects the device from overcurrent and overheating.
- Low Dropout Voltage: Allows operation with minimal voltage drop between input and output.
- Shutdown Input (LP2951): Allows a logic level signal to turn-off or turn-on the regulator output.
- Error Output (LP2951): Can signal external circuitry of an out-of-regulation condition or serve as a microprocessor power-on reset.
- Adjustable Output Voltage (LP2951): Can be programmed from 1.25 V to 29 V using external resistors.
Applications
- Battery-powered computer equipment
- Consumer electronics
- Industrial equipment where low power consumption and extended battery life are crucial
- Backup power systems using lead-acid or NiCad batteries
Q & A
- What is the output voltage of the LP2950ACZ-3.0G?
The output voltage of the LP2950ACZ-3.0G is 3.0 V with a tolerance of ±0.5%.
- What is the quiescent bias current of the LP2950ACZ-3.0G?
The quiescent bias current is 75 μA.
- What is the maximum output current of the LP2950ACZ-3.0G?
The maximum output current is 100 mA.
- What is the operating ambient temperature range of the LP2950ACZ-3.0G?
The operating ambient temperature range is -40°C to +125°C.
- Does the LP2950ACZ-3.0G have internal protection features?
- Can the output voltage of the LP2950ACZ-3.0G be adjusted?
No, the LP2950ACZ-3.0G has a fixed output voltage. However, the LP2951 version can be programmed for adjustable output voltage.
- What package type is the LP2950ACZ-3.0G available in?
The LP2950ACZ-3.0G is available in the TO-92 (TO-226) package.
- What are some typical applications of the LP2950ACZ-3.0G?
Typical applications include battery-powered computer equipment, consumer electronics, and industrial equipment.
- Does the LP2950ACZ-3.0G have a shutdown feature?
No, the shutdown feature is available in the LP2951 version.
- What is the storage temperature range for the LP2950ACZ-3.0G?
The storage temperature range is -65°C to +150°C.
