Overview
The LP2950ACDT-5RKG is a micropower 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. The LP2950ACDT-5RKG is specifically configured to provide a 5.0 V output voltage with a tight tolerance of ±0.5%. It is ideal for battery-powered computer, consumer, and industrial equipment where extending the useful battery life is crucial.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (5.0 V Versions) | VO | 4.975 | 5.000 | 5.025 | V |
| Output Voltage Tolerance (TA = 25°C) | - | - | ±0.5% | - | |
| Input-to-Output Voltage Differential | - | - | 50 mV at 100 μA, 380 mV at 100 mA | mV | |
| Quiescent Bias Current | ICC | 93 | 120 | μA | |
| Dropout Voltage | VI - VO | 350 | 450 | mV | |
| Current Limit | ILimit | 220 | 300 | mA | |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Maximum Die Junction Temperature | TJ | - | - | 150 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
Key Features
- Low Quiescent Bias Current: 75 μA, making it suitable for battery-powered devices.
- 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 input and load conditions.
- Internal Current and Thermal Limiting Protection: Protects the device from overcurrent and overheating.
- Requires Only a 1.0 μF Output Capacitor for Stability: Simplifies the design and reduces component count.
- Pb-Free and RoHS Compliant: Meets environmental regulations.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring strict quality standards.
Applications
The LP2950ACDT-5RKG is ideally suited for a variety of applications, including:
- Battery-powered computer equipment
- Consumer electronics
- Industrial equipment where low power consumption and extended battery life are critical
- Automotive systems requiring AEC-Q100 qualification
Q & A
- What is the output voltage of the LP2950ACDT-5RKG?
The output voltage is 5.0 V with a tolerance of ±0.5%.
- What is the quiescent bias current of the LP2950ACDT-5RKG?
The quiescent bias current is 75 μA.
- What is the input-to-output voltage differential of the LP2950ACDT-5RKG?
The input-to-output voltage differential is 50 mV at 100 μA and 380 mV at 100 mA.
- Does the LP2950ACDT-5RKG have internal protection features?
Yes, it has internal current and thermal limiting protection.
- What type of capacitor is required for stability?
Only a 1.0 μF output capacitor is required for stability.
- Is the LP2950ACDT-5RKG Pb-Free and RoHS compliant?
Yes, it is Pb-Free and RoHS compliant.
- What is the operating ambient temperature range of the LP2950ACDT-5RKG?
The operating ambient temperature range is -40°C to +125°C.
- What is the maximum die junction temperature of the LP2950ACDT-5RKG?
The maximum die junction temperature is 150°C.
- Is the LP2950ACDT-5RKG suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other stringent applications.
- What package types are available for the LP2950 series?
The LP2950 is available in TO-92, DPAK, and other surface mount packages.
