Overview
The LP2951CD-3.0R2 is a micropower voltage regulator produced by onsemi, designed to maintain proper regulation with an extremely low input-to-output voltage differential. This device is part of the LP2950 and LP2951 series, which are specifically tailored for low power and low dropout applications. The LP2951CD-3.0R2 is particularly suited for battery-powered computer, consumer, and industrial equipment where extending the useful battery life is crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.0 V | V |
| Output Current | Up to 100 mA | mA |
| Input Voltage Range | 4.0 to 30 V | V |
| Quiescent Bias Current | 75 μA | μA |
| Input-to-Output Voltage Differential | 50 mV at 100 μA, 380 mV at 100 mA | mV |
| Output Voltage Tolerance | ±0.5% (for 'A' suffix devices) | % |
| Operating Ambient Temperature Range | -40°C to +125°C | °C |
| Package Type | SOIC-8 |
Key Features
- Low quiescent bias current of 75 μA
- Low input-to-output voltage differential of 50 mV at 100 μA and 380 mV at 100 mA
- Output voltage preset to 3.0 V, 3.3 V, or 5.0 V, or programmable from 1.25 V to 29 V
- Logic level shutdown input to turn-off or turn-on the regulator output
- Error output to signal an out of regulation condition or as a microprocessor power-on reset
- Extremely tight line and load regulation
- Requires only a 1.0 μF output capacitor for stability
- Internal current and thermal limiting protection
- Pb-free packages available
Applications
The LP2951CD-3.0R2 is ideally suited for battery-powered devices, including computers, consumer electronics, and industrial equipment. It is particularly useful in applications where extending the useful battery life is desirable. The regulator's low input-to-output voltage differential and low quiescent bias current make it an excellent choice for power-efficient designs.
Q & A
- What is the output voltage of the LP2951CD-3.0R2?
The output voltage of the LP2951CD-3.0R2 is 3.0 V.
- What is the maximum output current of the LP2951CD-3.0R2?
The maximum output current is up to 100 mA.
- What is the input voltage range for the LP2951CD-3.0R2?
The input voltage range is from 4.0 to 30 V.
- What is the quiescent bias current of the LP2951CD-3.0R2?
The quiescent bias current is 75 μA.
- Does the LP2951CD-3.0R2 have internal protection features?
- What type of package is the LP2951CD-3.0R2 available in?
The LP2951CD-3.0R2 is available in an SOIC-8 package.
- Can the output voltage of the LP2951CD-3.0R2 be programmed?
- Does the LP2951CD-3.0R2 have a shutdown feature?
- What is the operating ambient temperature range for the LP2951CD-3.0R2?
The operating ambient temperature range is from -40°C to +125°C.
- Is the LP2951CD-3.0R2 Pb-free?
