LM431BCM3/NOPB Part Information
Details for LM431BCM3/NOPB by Texas Instruments
Electronic & Electrical Components>Semiconductors - ICs>Power Management
Part Description
The LM431 is a 3-terminal adjustable shunt regulator with ensured temperature stability over the entire temperature range of operation. The output voltage may be set at any level greater than 2.5 V (VREF) up to 36 V merely by selecting two external resistors that act as a voltage divided network. Due to the sharp turnon characteristics this device is an excellent replacement for many Zener diode applications. The LM431 is available in space-saving SOIC-8, SOT-23, and TO-92 packages.
Part Downloads
Download PCB Footprint from Ultra Librarian
Part Features
- Available in Space-Saving SOIC-8, SOT-23, and
- Average Temperature Coefficient 50 ppm/u00b0C
- Fast Turnon Response
- Low-Dynamic Output Impedance
- Low-Output Noise
- Programmable Output Voltage
- Temperature Compensated for Operation Over the Full Temperature Range
Part Specifications
| Voltage Reference Type | Shunt - Adjustable |
| Product Range | LM431 Series |
| Reference Voltage | 2.495V to 36V |
| Initial Accuracy | 0.5% |
| Temperature Coefficient | ± 50ppm/°C |
| Voltage Reference Case Style | SOT-23 |
| No. of Pins | 3Pins |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Automotive Qualification Standard | - |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (27-Jun-2018) |
| Accuracy % | 1% |
| Base Number | 431 |
| Cathode Current Ik Max | 100mA |
| Cathode Voltage Vka Max | 37V |
| IC Temperature Range | Commercial |
| Input Voltage Max | 36V |
| Input Voltage Min | 3V |
| Operating Temperature Range | 0°C to +70°C |
| Operating Voltage Tolerance + | 1% |
| Output Current Max | 100mA |
| Output Voltage | 37V |
| Output Voltage Max | 36V |
| Output Voltage Min | 2.5V |
| Reference Volt Tolerance ±% | 1% |
| Reference Voltage Tolerance | 24.95mV |
| Reference Volts | 2.495V |
| Temperature Coeff Over Temp Range | 8mV |
| Topology | Shunt Adjustable |
| Voltage Regulator Type | Positive Adjustable |
Alternative Part Descriptions
- V-Ref Adjustable 2.495-37V 100mA SOT23 | RS Components
- VOLTAGE REF, SHUNT, 2.495V-36V, SOT-23-3; Voltage Reference Type:Shunt - Adjustable; Product Range:LM431 Series; Reference Voltage:2.495V to 36V; Initial Accuracy:0.5%; Temperature Coefficient:± 50ppm/°C; Voltage Reference Case RoHS Compliant: Yes | Newark Electronics
- 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator | Texas Instruments
- Linear voltage regulator [Texas Instruments] LM431BCM3/NOPB Linear voltage regulator | Distrelec
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