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| PartNumber | LM431BCM/NOPB | LM431BCM3 | LM431BCM |
| Description | Voltage References Adjustable Precision Zener Shunt Regulat | Voltage References NRND, alternate is LM431BCM3/NOPB | IC VREF SHUNT ADJ 8SOP |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Voltage References | Voltage References | PMIC - Voltage Reference |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | SOT-23-3 | - |
| Reference Type | Shunt Adjustable References | Shunt Adjustable References | Shunt |
| Output Voltage | 2.495 V to 37 V | 2.495 V to 37 V | - |
| Initial Accuracy | 1 % | 1 % | - |
| Temperature Coefficient | 97 PPM / C | 97 PPM / C | 50ppm/°C Typical |
| Series VREF Input Voltage Max | 37 V | 37 V | - |
| Shunt Current Max | 100 mA | 100 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | LM431 | LM431 | - |
| Packaging | Tube | Reel | Tube Alternate Packaging |
| Description/Function | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | - |
| Height | 1.45 mm | 0.93 mm | - |
| Length | 4.9 mm | 2.92 mm | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Product | Voltage References | Voltage References | - |
| Width | 3.9 mm | 1.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Shunt Current Min | 1 mA | 1 mA | - |
| Topology | Shunt References | Shunt References | - |
| Maximum Output Voltage | 36 V | 36 V | - |
| Product Type | Voltage References | Voltage References | - |
| Factory Pack Quantity | 95 | 1000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.005044 oz | 0.000282 oz | - |
| Package Case | - | - | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | Adjustable |
| Supplier Device Package | - | - | 8-SOIC |
| Tolerance | - | - | ±1% |
| Voltage Input | - | - | - |
| Current Supply | - | - | - |
| Current Output | - | - | 100mA |
| Voltage Output Min Fixed | - | - | 2.495V |
| Voltage Output Max | - | - | 37V |
| Noise 0#1Hz to 10Hz | - | - | - |
| Noise 10Hz to 10kHz | - | - | - |
| Current Cathode | - | - | 1mA |