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| PartNumber | LM2991T/LF03 | LM2991T | LM2991T/LB03 |
| Description | LDO Voltage Regulators Negative Low Dropout Adjustable Regulato | LDO Voltage Regulators Negative LDO Adj Reg | LDO Voltage Regulators NRND, alternate is LM2991T/NOPB |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220-5 | TO-220-5 | TO-220-5 |
| Output Voltage | - 24 V to - 3 V | - 24 V to - 3 V | - 3 V to - 24 V |
| Output Current | 1 A | 1 A | 1 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Negative | Negative | Negative |
| Quiescent Current | 5 mA | 5 mA | 5 mA |
| Input Voltage MAX | 300 mV | 300 mV | 300 mV |
| Input Voltage MIN | - 26 V | - 26 V | - 26 V |
| Output Type | Adjustable | Adjustable | Adjustable |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Dropout Voltage | 600 mV | 600 mV | 600 mV |
| Series | LM2991 | LM2991 | LM2991 |
| Packaging | Tube | Tube | Tube |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - 40 C to + 125 C |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Dropout Voltage Max | 0.2 V at 100 mA, 0.8 V at 1 A | 0.2 V at 100 mA, 0.8 V at 1 A | 0.2 V at 100 mA |
| Ib Input Bias Current | 700 uA | 700 uA | 700 uA |
| Line Regulation | 0.04 %/V | 0.04 %/V | 0.04 %/V |
| Load Regulation | 0.4 % | 0.4 % | 0.4 % |
| Operating Supply Current | 700 uA | 700 uA | 700 uA |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Reference Voltage | - 1.186 V | - 1.186 V | - 1.186 V |
| Factory Pack Quantity | 45 | 45 | 45 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.105822 oz | 0.105822 oz | 0.105822 oz |
| Product | - | Negative LDO Adjustable Regulators | - |
| Type | - | Output Voltage Adjustable | - |
| PSRR / Ripple Rejection Typ | - | 60 dB | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Texas Instruments |
LM2991T/LF03 | LDO Voltage Regulators Negative Low Dropout Adjustable Regulato | |
| LM2991T | LDO Voltage Regulators Negative LDO Adj Reg | ||
| LM2991T/LB03 | LDO Voltage Regulators NRND, alternate is LM2991T/NOPB | ||
| LM2991T/NOPB | LDO Voltage Regulators NEG LDO ADJ REG | ||
| LM2991T/LB03 | LDO Voltage Regulators Negative Low Dropout Adjustable Regulator 5-TO-220 | ||
| LM2991T/LF03 | LDO Voltage Regulators Negative Low Dropout Adjustable Regulato | ||
| LM2991T | LDO Voltage Regulators Negative LDO Adj Reg | ||
| LM2991T/NOPB | LDO Voltage Regulators NEG LDO ADJ REG | ||
| LM2991T LB03 | LDO Regulator Neg -3V to -24V 1A 5-Pin(5+Tab) TO-220 Rail - Rail/Tube (Alt: LM2991T/LB03) | ||
| LM2991TP+ | New and Original | ||
| LM2991T-FLOWLBO3 | New and Original | ||
| LM2991T-P+ | INSTOCK | ||
| LM2991T-ADJ | New and Original | ||
| LM2991T-P4 | New and Original | ||
| LM2991TNOPB | New and Original |