Overview
The LM285D-2.5G 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. The LM285D-2.5G is specifically rated for a reverse breakdown voltage of 2.500 V and is suitable for applications requiring precise voltage regulation with minimal power consumption.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 2.462 - 2.538 | V |
| Minimum Operating Current | IRmin | 13 - 20 | μA |
| Forward Current | IF | 10 | mA |
| Operating Ambient Temperature Range | TA | -40°C to +85°C | °C |
| Operating Junction Temperature | TJ | +150 | °C |
| Storage Temperature Range | Tstg | -65°C to +150°C | °C |
| Reverse Dynamic Impedance | Z | 0.6 | Ω |
| Average Temperature Coefficient | ΔV(BR)/ΔT | 80 | ppm/°C |
| Wideband Noise (RMS) | n | 60 | μV |
| Long Term Stability | S | 20 | ppm/kHR |
Key Features
- Operating current from 10 μA to 20 mA
- 1.0%, 1.5%, 2.0%, and 3.0% initial tolerance grades
- Low temperature coefficient
- Low dynamic impedance (0.6 Ω)
- Surface mount package available
- Pb-free and RoHS compliant
Applications
The LM285D-2.5G is ideal for micropower circuitry, including portable instrumentation, regulators, and other analog circuitry where extended battery life is crucial. Its wide dynamic operating range makes it suitable for applications with varying supply voltages, ensuring excellent regulation.
Q & A
- What is the reverse breakdown voltage of the LM285D-2.5G?
The reverse breakdown voltage of the LM285D-2.5G is between 2.462 V and 2.538 V. - What is the minimum operating current for the LM285D-2.5G?
The minimum operating current is between 13 μA and 20 μA. - What is the operating temperature range for the LM285D-2.5G?
The operating ambient temperature range is from -40°C to +85°C. - Is the LM285D-2.5G Pb-free and RoHS compliant?
Yes, the LM285D-2.5G is Pb-free and RoHS compliant. - What are the available packages for the LM285D-2.5G?
The LM285D-2.5G is available in SOIC-8 packages. - What is the forward current limit for the LM285D-2.5G?
The forward current limit is 10 mA. - How does the LM285D-2.5G perform in terms of noise?
The device has a wideband noise (RMS) of 60 μV. - What is the long-term stability of the LM285D-2.5G?
The long-term stability is 20 ppm/kHR. - Can the LM285D-2.5G be used in high-temperature environments?
Yes, it can operate up to a junction temperature of +150°C. - Is the LM285D-2.5G suitable for surface mount applications?
Yes, it is available in surface mount packages.
