Overview
The LP2951CDM-3.0R2 is a micropower voltage regulator produced by onsemi. It is part of the LP2950 and LP2951 series, designed to maintain proper regulation with an extremely low input-to-output voltage differential. This regulator is ideal for battery-powered computer, consumer, and industrial equipment where extending the useful battery life is crucial. The LP2951CDM-3.0R2 is available in the Micro8 surface mount package and offers a fixed 3.0V output voltage with high accuracy and low quiescent current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.0 | V |
| Output Current | 100 | mA |
| Quiescent Bias Current | 75 | μA |
| Input-to-Output Voltage Differential | 50 mV at 100 μA, 380 mV at 100 mA | mV |
| Operating Ambient Temperature Range | -40 to +125 | °C |
| Package Type | Micro8 surface mount | |
| Output Voltage Tolerance | ±0.5% (for 'A' suffix devices) | % |
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
- High accuracy output voltage with ±0.5% tolerance for 'A' suffix devices
- Internal current and thermal limiting protection
- Logic level shutdown input
- Error output signal for out-of-regulation conditions or as a microprocessor power-on reset
- Output programmable from 1.25 V to 29 V (for adjustable versions)
- Requires only a 1.0 μF output capacitor for stability
- Pb-free packages available
Applications
The LP2951CDM-3.0R2 is suitable for a variety of applications, including:
- Battery-powered computer systems
- Consumer electronics
- Industrial equipment where low power consumption and extended battery life are essential
- Circuits requiring high accuracy and low dropout voltage
Q & A
- What is the output voltage of the LP2951CDM-3.0R2?
The output voltage of the LP2951CDM-3.0R2 is 3.0 V.
- What is the maximum output current of the LP2951CDM-3.0R2?
The maximum output current is 100 mA.
- What is the quiescent bias current of the LP2951CDM-3.0R2?
The quiescent bias current is 75 μA.
- What is the input-to-output voltage differential of the LP2951CDM-3.0R2?
The input-to-output voltage differential is 50 mV at 100 μA and 380 mV at 100 mA.
- What is the operating temperature range of the LP2951CDM-3.0R2?
The operating ambient temperature range is -40 to +125°C.
- What package type is the LP2951CDM-3.0R2 available in?
The LP2951CDM-3.0R2 is available in the Micro8 surface mount package.
- Does the LP2951CDM-3.0R2 have internal protection features?
Yes, it has internal current and thermal limiting protection.
- Can the output voltage of the LP2951CDM-3.0R2 be programmed?
For adjustable versions, the output voltage can be programmed from 1.25 V to 29 V.
- What is the minimum output capacitor required for stability?
A minimum of 1.0 μF output capacitor is required for stability.
- Is the LP2951CDM-3.0R2 Pb-free?
Yes, Pb-free packages are available.
