Overview
The LM285D-1.2G 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 time and temperature, making it ideal for various analog circuit applications where extended battery life is crucial.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | V | 1.223 | 1.235 | 1.247 |
| Minimum Operating Current | IRmin | μA | 8.0 | - | 20 |
| Reverse Dynamic Impedance | Z | Ω | - | 0.6 | - |
| Average Temperature Coefficient | ΔV(BR)/ΔT | ppm/°C | - | 80 | - |
| Wideband Noise (RMS) | n | μV | - | 60 | - |
| Long Term Stability | S | ppm/kHR | - | 20 | - |
| Operating Ambient Temperature Range | TA | °C | -40 | - | 85 |
| Operating Junction Temperature | TJ | °C | - | - | 150 |
| Storage Temperature Range | Tstg | °C | -65 | - | 150 |
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 (1.0 Ω)
- Surface mount package available
- Pb-free and RoHS compliant
Applications
The LM285D-1.2G is suitable for a variety of applications, including portable instrumentation, voltage regulators, and other analog circuitry where low power consumption and stable voltage reference are essential. Its wide dynamic operating range makes it ideal for use in systems with varying supply voltages.
Q & A
- What is the operating current range of the LM285D-1.2G?
The operating current range is from 10 μA to 20 mA. - What are the available voltage versions for the LM285 series?
The LM285 series is available in two voltage versions: 1.235 V and 2.500 V. - What is the temperature range for the LM285D-1.2G?
The operating ambient temperature range is from -40°C to +85°C. - Is the LM285D-1.2G Pb-free and RoHS compliant?
Yes, the LM285D-1.2G is Pb-free and RoHS compliant. - What is the typical reverse dynamic impedance of the LM285D-1.2G?
The typical reverse dynamic impedance is 0.6 Ω. - What is the average temperature coefficient of the LM285D-1.2G?
The average temperature coefficient is 80 ppm/°C. - What is the wideband noise (RMS) of the LM285D-1.2G?
The wideband noise (RMS) is 60 μV. - What is the long-term stability of the LM285D-1.2G?
The long-term stability is 20 ppm/kHR. - In what packages is the LM285D-1.2G available?
The LM285D-1.2G is available in SOIC-8 and TO-92 packages. - What are some typical applications for the LM285D-1.2G?
Typical applications include portable instrumentation, voltage regulators, and other analog circuitry requiring low power consumption and stable voltage references.
