Overview
The LM385BD-2.5R2G is a micropower two-terminal bandgap voltage regulator diode produced by onsemi. This device is part of the LM285/LM385 series, designed to operate over a wide current range from 10 μA to 20 mA. It features exceptionally low dynamic impedance, low noise, and stable operation over a broad temperature range. The LM385BD-2.5R2G is specifically rated for an operating temperature range of 0°C to +70°C and is available in a surface mount SOIC-8 package, making it suitable for various applications requiring precise voltage regulation.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 2.462 - 2.538 | V |
| Minimum Operating Current | IRmin | 13 - 30 | μA |
| Reverse Dynamic Impedance | Z | 0.6 | Ω |
| Average Temperature Coefficient | ΔV(BR)/ΔT | 80 | ppm/°C |
| Wideband Noise (RMS) | n | 120 | μV |
| Long Term Stability | S | 20 | ppm/kHR |
| Operating Ambient Temperature Range | TA | 0 to +70 | °C |
| Operating Junction Temperature | TJ | +150 | °C |
| Storage Temperature Range | Tstg | -65 to +150 | °C |
| Package | SOIC-8 | ||
| Pb-Free and RoHS Compliance | Yes |
Key Features
- Operating current range from 10 μA to 20 mA
- 1.0%, 1.5%, 2.0%, and 3.0% initial tolerance grades
- Low temperature coefficient
- Low dynamic impedance of 0.6 Ω
- Surface mount package available
- Pb-Free and RoHS compliant
- Exceptionally low noise and stable operation over time and temperature
Applications
The LM385BD-2.5R2G is ideal for applications requiring precise voltage regulation with low power consumption. These include:
- Portable instrumentation
- Voltage regulators
- Analog circuitry where extended battery life is crucial
- Micropower circuitry
- Applications with widely varying supply voltages
Q & A
- What is the operating current range of the LM385BD-2.5R2G?
The operating current range is from 10 μA to 20 mA.
- What are the available initial tolerance grades for the LM385BD-2.5R2G?
The initial tolerance grades are 1.0%, 1.5%, 2.0%, and 3.0%.
- What is the typical dynamic impedance of the LM385BD-2.5R2G?
The typical dynamic impedance is 0.6 Ω.
- What is the operating temperature range of the LM385BD-2.5R2G?
The operating temperature range is from 0°C to +70°C.
- Is the LM385BD-2.5R2G Pb-Free and RoHS compliant?
Yes, it is Pb-Free and RoHS compliant.
- What type of package is the LM385BD-2.5R2G available in?
The device is available in a surface mount SOIC-8 package.
- What are some typical applications for the LM385BD-2.5R2G?
Typical applications include portable instrumentation, voltage regulators, analog circuitry, and micropower circuitry.
- How does the LM385BD-2.5R2G handle noise and stability?
The device features exceptionally low noise and stable operation over time and temperature.
- What is the reverse breakdown voltage of the LM385BD-2.5R2G?
The reverse breakdown voltage is between 2.462 V and 2.538 V.
- What is the long-term stability of the LM385BD-2.5R2G?
The long-term stability is 20 ppm/kHR.
