Overview
The LM285D-2.5R2 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 of 10 μA to 20 mA. It features exceptionally low dynamic impedance, low noise, and stable operation over time and temperature, making it ideal for micropower circuitry.
The LM285D-2.5R2 is specified for a reverse breakdown voltage of 2.500 V and is available in a SOIC-8 package. It is suitable for applications requiring extended battery life, such as portable instrumentation, regulators, and other analog circuitry.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | V | 2.462 | 2.500 | 2.538 |
| Minimum Operating Current | IRmin | μA | 13 | - | 20 |
| Operating Ambient Temperature Range | TA | °C | -40 | - | +85 |
| Operating Junction Temperature | TJ | °C | - | - | +150 |
| Storage Temperature Range | Tstg | °C | -65 | - | +150 |
| Reverse Dynamic Impedance | Z | Ω | - | 0.6 | - |
| Average Temperature Coefficient | ΔV(BR)/ΔT | ppm/°C | - | 80 | - |
| Wideband Noise (RMS) | n | μV | - | 120 | - |
| Long Term Stability | S | ppm/kHR | - | 20 | - |
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 (approximately 0.6 Ω)
- Surface mount package available
- Pb-free and RoHS compliant
Applications
The LM285D-2.5R2 is ideal for various applications requiring stable voltage references and low power consumption, such as:
- Portable instrumentation
- Voltage regulators
- Analog circuitry where extended battery life is crucial
- Micropower circuit designs
Q & A
- What is the operating current range of the LM285D-2.5R2?
The operating current range is from 10 μA to 20 mA.
- What are the available voltage versions for the LM285/LM385 series?
The devices are available in two voltage versions: 1.235 V and 2.500 V.
- What is the temperature range for the LM285D-2.5R2?
The operating ambient temperature range is from -40°C to +85°C.
- What is the typical dynamic impedance of the LM285D-2.5R2?
The typical dynamic impedance is approximately 0.6 Ω.
- Is the LM285D-2.5R2 Pb-free and RoHS compliant?
- What package types are available for the LM285D-2.5R2?
The device is available in a SOIC-8 package.
- What are the typical applications for the LM285D-2.5R2?
Typical applications include portable instrumentation, voltage regulators, and other analog circuitry where extended battery life is required.
- What is the storage temperature range for the LM285D-2.5R2?
The storage temperature range is from -65°C to +150°C.
- What is the average temperature coefficient of the LM285D-2.5R2?
The average temperature coefficient is approximately 80 ppm/°C.
- What is the wideband noise (RMS) of the LM285D-2.5R2?
The wideband noise (RMS) is approximately 120 μV.
