Overview
The LP2951CDMR2 is a low-dropout linear voltage regulator produced by onsemi (formerly AMI Semiconductor). This device is designed to provide stable and efficient voltage regulation with a low input-to-output voltage differential. It is available in both fixed and adjustable output voltage configurations, making it versatile for various applications. The LP2951CDMR2 features a compact Micro8™ package, suitable for space-constrained designs, and operates over a broad temperature range of -40°C to 125°C. Although the part is listed as obsolete, it remains relevant for understanding the capabilities and design considerations of similar modern regulators.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi (formerly AMI Semiconductor) |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Operating Temperature | -40°C ~ 125°C |
| Input Voltage (Max) | 30V |
| Output Voltage (Min/Fixed) | 1.235V (5V) |
| Output Voltage (Max) | 30V |
| Output Type | Adjustable (Fixed) |
| Output Configuration | Positive |
| Current - Output | 100mA |
| Voltage Dropout (Max) | 0.45V @ 100mA |
| Current - Quiescent (Iq) | 120µA |
| Current - Supply (Max) | 12mA |
| Protection Features | Over Current, Over Temperature |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Contains Lead |
Key Features
- Low Dropout Voltage: 0.45V at 100mA, ensuring efficient voltage regulation.
- Adjustable and Fixed Output Voltage: Output voltage can be set between 1.235V and 30V.
- Low Quiescent Current: 120µA, enhancing battery life in portable devices.
- High Thermal Performance: Operates over a broad temperature range of -40°C to 125°C.
- Compact Packaging: Available in Micro8™ package, suitable for space-constrained applications.
- Protection Features: Includes over current and over temperature protection.
- Stable with Low-ESR Capacitors: Compatible with low-ESR output capacitors for reliable performance.
Applications
- Consumer Electronics: Suitable for various consumer electronic devices requiring stable voltage regulation.
- Automotive: Used in automotive systems due to its robust thermal performance and protection features.
- Industrial: Applicable in industrial settings where reliable and efficient voltage regulation is crucial.
- Battery-Powered Devices: Ideal for battery-powered equipment due to its low quiescent current and low dropout voltage.
Q & A
- What is the maximum input voltage for the LP2951CDMR2?
The maximum input voltage is 30V.
- What are the output voltage options for the LP2951CDMR2?
The output voltage can be set between 1.235V and 30V, with fixed options available for 5V, 3.3V, and 3.0V.
- What is the maximum output current of the LP2951CDMR2?
The maximum output current is 100mA.
- What are the protection features of the LP2951CDMR2?
The device includes over current and over temperature protection.
- What is the quiescent current of the LP2951CDMR2?
The quiescent current is 120µA.
- What is the operating temperature range of the LP2951CDMR2?
The operating temperature range is -40°C to 125°C.
- Is the LP2951CDMR2 RoHS compliant?
No, the LP2951CDMR2 is not RoHS compliant and contains lead.
- What is the moisture sensitivity level (MSL) of the LP2951CDMR2?
The MSL is 1 (Unlimited).
- What are the common applications of the LP2951CDMR2?
Common applications include consumer electronics, automotive systems, industrial settings, and battery-powered devices.
- What is the status of the LP2951CDMR2?
The LP2951CDMR2 is listed as obsolete, but it remains relevant for understanding similar modern regulators.
