| PartNumber | LM431ACM/NOPB | LM431ACM3 | LM431ACM |
| Description | Voltage References Adj Prec Zener Shunt Reg | Voltage References Adjustable Precision Zener Shunt Regulator 3-SOT-23 -40 to 85 | Voltage References Adjustable Precision Zener Shunt Regulator 8-SOIC -40 to 85 |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Voltage References | Voltage References | Voltage References |
| RoHS | Y | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOT-23-3 | SOIC-8 |
| Reference Type | Shunt Adjustable References | Shunt Adjustable References | Shunt Adjustable References |
| Output Voltage | 2.495 V to 37 V | 2.495 V to 37 V | 2.495 V to 37 V |
| Initial Accuracy | 2 % | 2 % | 2 % |
| Temperature Coefficient | 97 PPM / C | 50 PPM/C | 97 PPM / C |
| Series VREF Input Voltage Max | 37 V | 37 V | 37 V |
| Shunt Current Max | 100 mA | 100 mA | 100 mA |
| Minimum Operating Temperature | - 40 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Series | LM431 | LM431 | LM431 |
| Packaging | Tube | Reel | Tube |
| Description/Function | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR |
| Height | 1.45 mm | 0.93 mm | 1.45 mm |
| Length | 4.9 mm | 2.92 mm | 4.9 mm |
| Operating Temperature Range | - 40 C to + 85 C | 0 C to + 70 C | - 40 C to + 85 C |
| Product | Voltage References | Voltage References | Voltage References |
| Width | 3.9 mm | 1.3 mm | 3.9 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Shunt Current Min | 1 mA | - | - |
| Topology | Shunt References | Shunt References | Shunt References |
| Maximum Output Voltage | 36 V | 36 V | 36 V |
| Product Type | Voltage References | Voltage References | Voltage References |
| Factory Pack Quantity | 95 | 1000 | 95 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.005044 oz | 0.000282 oz | 0.005044 oz |