Overview
The LP2950CZ-5.0RPG is a low dropout voltage regulator produced by onsemi. This device is part of the LP2950 series, which is designed to maintain proper regulation with an extremely low input-to-output voltage differential. It is particularly suited for battery-powered devices, computers, consumer electronics, and industrial equipment where extending battery life is crucial. The regulator features a very low quiescent bias current and is capable of supplying output currents up to 100 mA. It is available in a 3-pin TO-92 package, making it compact and easy to integrate into various designs.
Key Specifications
| Specification | Value |
|---|---|
| Part Number | LP2950CZ-5.0RPG |
| Manufacturer | onsemi |
| Mounting Type | Through Hole |
| Package Type | TO-92 (TO-226) |
| Pin Count | 3 |
| Output Voltage | 5 V (Fixed) |
| Maximum Input Voltage | 30 V DC |
| Maximum Output Current | 100 mA |
| Line Regulation | 0.2% |
| Load Regulation | 0.2% |
| Quiescent Current | 120 µA |
| Operating Temperature Range | -40°C to +125°C |
| Protection Features | Over Current, Over Temperature |
Key Features
- Low quiescent bias current of 120 µA, which helps in extending battery life in portable devices.
- Low input-to-output voltage differential, typically 50 mV at 100 µA and 380 mV at 100 mA.
- Tight line and load regulation, ensuring stable output voltage under varying conditions.
- Internal current and thermal limiting protection to prevent damage from overcurrent and overheating.
- Requires only a 1.0 µF output capacitor for stability, with options for smaller capacitors at lower output currents.
- Pb-free packages available, compliant with EU RoHS regulations.
Applications
The LP2950CZ-5.0RPG is suitable for a variety of applications, including:
- Battery-powered computers and consumer electronics where low power consumption is critical.
- Industrial equipment requiring stable and efficient voltage regulation.
- Portable devices such as handheld instruments, medical devices, and other low-power systems.
Q & A
- What is the maximum input voltage for the LP2950CZ-5.0RPG?
The maximum input voltage is 30 V DC.
- What is the output voltage of the LP2950CZ-5.0RPG?
The output voltage is fixed at 5 V.
- What is the maximum output current of the LP2950CZ-5.0RPG?
The maximum output current is 100 mA.
- What is the quiescent current of the LP2950CZ-5.0RPG?
The quiescent current is 120 µA.
- What type of package does the LP2950CZ-5.0RPG come in?
The device is packaged in a 3-pin TO-92 (TO-226) package.
- Does the LP2950CZ-5.0RPG have built-in protection features?
Yes, it has internal current and thermal limiting protection.
- What is the operating temperature range of the LP2950CZ-5.0RPG?
The operating temperature range is -40°C to +125°C.
- Is the LP2950CZ-5.0RPG RoHS compliant?
Yes, it is RoHS compliant.
- What type of capacitor is required for stability?
A 1.0 µF output capacitor is required for stability, though smaller capacitors can be used at lower output currents.
- What are some typical applications for the LP2950CZ-5.0RPG?
Typical applications include battery-powered computers, consumer electronics, and industrial equipment.
