Overview
The LM285Z-2.5G, produced by onsemi, is a micropower two-terminal bandgap voltage regulator diode. This device is designed to operate over a wide current range of 10 μA to 20 mA, making it suitable for a variety of applications requiring precise voltage regulation with low power consumption.
The LM285Z-2.5G features exceptionally low dynamic impedance, low noise, and stable operation over time and temperature. It is available in a TO-92 package and is Pb-free and RoHS compliant, ensuring environmental sustainability and reliability.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 2.450 - 2.550 | V |
| Minimum Operating Current | IRmin | 10 - 20 | μA |
| Reverse Breakdown Voltage Change with Current | ΔV(BR)R | 1.0 - 2.5 | mV |
| Reverse Dynamic Impedance | Z | 0.6 - 1.0 | 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 | -40 to +85 | °C |
| Operating Junction Temperature | TJ | +150 | °C |
| Storage Temperature Range | Tstg | -65 to +150 | °C |
| Electrostatic Discharge Sensitivity (HBM) | ESD | 4000 | V |
Key Features
- Operating current range from 10 μA to 20 mA
- 1.0%, 1.5%, 2.0%, and 3.0% initial voltage tolerance grades
- Low temperature coefficient of 80 ppm/°C
- Low dynamic impedance of 0.6 - 1.0 Ω
- Surface mount package available (though the LM285Z-2.5G is in TO-92 package)
- Pb-free and RoHS compliant
- Low noise and excellent stability over time and temperature
- Wide dynamic operating range for applications with varying supplies
Applications
- Portable instrumentation and test instruments
- Battery-operated systems where extended battery life is crucial
- Panel meters and current loop instrumentation
- Micropower circuitry and analog circuitry requiring precise voltage references
- Cold junction compensation in thermocouple applications
Q & A
- What is the operating current range of the LM285Z-2.5G?
The LM285Z-2.5G operates over a current range of 10 μA to 20 mA.
- What are the available voltage tolerance grades for the LM285Z-2.5G?
The device is available with 1.0%, 1.5%, 2.0%, and 3.0% initial voltage tolerance grades.
- What is the temperature coefficient of the LM285Z-2.5G?
The average temperature coefficient is 80 ppm/°C.
- What is the dynamic impedance of the LM285Z-2.5G?
The reverse dynamic impedance is 0.6 - 1.0 Ω.
- Is the LM285Z-2.5G Pb-free and RoHS compliant?
- What is the operating ambient temperature range for the LM285Z-2.5G?
The operating ambient temperature range is -40°C to +85°C.
- What is the storage temperature range for the LM285Z-2.5G?
The storage temperature range is -65°C to +150°C.
- What are some typical applications for the LM285Z-2.5G?
Typical applications include portable instrumentation, battery-operated systems, panel meters, and micropower circuitry.
- How does the LM285Z-2.5G handle noise and stability?
The device features low noise and excellent stability over time and temperature.
- What is the package type for the LM285Z-2.5G?
The LM285Z-2.5G is packaged in a TO-92 case.
