LM2991S

LM2991S Overview

Product belongs to the LM2991 series. This product is categorized as Negative Low Dropout Adjustable Regulator Type: Output Voltage Adjustable Tube Alternate Packaging is the packaging method for this product Weight of 0.056128 oz SMD/SMT Mounting-Style TO-263-5 Operational temperature range: -40°C ~ 125°C Surface Mount mounting type Output-Type: Adjustable Supplier device package: DDPAK/TO-263-5 Down to -26V voltage input Number-of-Outputs: 1 Output Output voltage: -3 V ~ -24 V Negative Adjustable regulator topology The product has 1 of 1. Maximum operating temperature of + 125 C Minimum operating temperature: - 40 C Output voltage: - 24 V to - 3 V Maximum Input Voltage: 300 mV Output current: 1 A The product's - 26 V is 5.1 V. Load regulation is 0.4 %. Input bias current of 700 uA This product has a 5 mA of 7 mA, making it ideal for low-power applications. Reference voltage is - 1.186 V . The 0.1 V at 100 mA 0.6 V at 1 A. The maximum 0.2 V at 100 mA 0.8 V at 1 A is 360 mV. This product's 0.04 %/V is 0.01 %/V. The product's 60 dB is -20 dB.

LM2991S Image

LM2991S Specifications

• Manufacturer Texas Instruments
• Product Category PMIC - Voltage Regulators - Linear
• Series LM2991
• Product Negative Low Dropout Adjustable Regulator
• Type Output Voltage Adjustable
• Packaging Tube Alternate Packaging
• Unit-Weight 0.056128 oz
• Mounting-Style SMD/SMT
• Package-Case TO-263-5
• Operating-Temperature -40°C ~ 125°C
• Mounting-Type Surface Mount
• Output-Type Adjustable
• Supplier-Device-Package DDPAK/TO-263-5
• Voltage-Input Down to -26V
• Number-of-Outputs 1 Output
• Current-Output 1A
• Voltage-Output -3 V ~ -24 V
• Regulator-Topology Negative Adjustable
• Voltage-Dropout-Typical 0.6V @ 1A
• Number-of-Regulators 1
• Current-Limit-Min 1.5A
• Maximum-Operating-Temperature + 125 C
• Minimum-Operating-Temperature - 40 C
• Output-Voltage - 24 V to - 3 V
• Input-Voltage-MAX 300 mV
• Output-Current 1 A
• Input-Voltage-MIN - 26 V
• Load-Regulation 0.4 %
• Ib-Input-Bias-Current 700 uA
• Quiescent-Current 5 mA
• Reference-Voltage - 1.186 V
• Dropout-Voltage 0.1 V at 100 mA 0.6 V at 1 A
• Dropout-Voltage-Max 0.2 V at 100 mA 0.8 V at 1 A
• Line-Regulation 0.04 %/V
• PSRR-Ripple-Rejection-Typ 60 dB

LM2991S FAQ

• A: At what frequency does the Series?

  Q: The product Series is LM2991.

• A: Is the cutoff frequency of the product Product?

  Q: Yes, the product's Product is indeed Negative Low Dropout Adjustable Regulator

• A: Is the cutoff frequency of the product Type?

  Q: Yes, the product's Type is indeed Output Voltage Adjustable

• A: Is the cutoff frequency of the product Packaging?

  Q: Yes, the product's Packaging is indeed Tube Alternate Packaging

• A: Is the cutoff frequency of the product Unit-Weight?

  Q: Yes, the product's Unit-Weight is indeed 0.056128 oz

• A: What is the Mounting-Style of the product?

  Q: The Mounting-Style of the product is SMD/SMT.

• A: What is the Package-Case of the product?

  Q: The Package-Case of the product is TO-263-5.

• A: Is the cutoff frequency of the product Operating-Temperature?

  Q: Yes, the product's Operating-Temperature is indeed -40°C ~ 125°C

• A: What is the Mounting-Type of the product?

  Q: The Mounting-Type of the product is Surface Mount.

• A: What is the Output-Type of the product?

  Q: The Output-Type of the product is Adjustable.

• A: At what frequency does the Supplier-Device-Package?

  Q: The product Supplier-Device-Package is DDPAK/TO-263-5.

• A: Is the cutoff frequency of the product Voltage-Input?

  Q: Yes, the product's Voltage-Input is indeed Down to -26V

• A: At what frequency does the Number-of-Outputs?

  Q: The product Number-of-Outputs is 1 Output.

• A: At what frequency does the Voltage-Output?

  Q: The product Voltage-Output is -3 V ~ -24 V.

• A: At what frequency does the Regulator-Topology?

  Q: The product Regulator-Topology is Negative Adjustable.

• A: What is the Number-of-Regulators of the product?

  Q: The Number-of-Regulators of the product is 1.

• A: What is the Maximum-Operating-Temperature of the product?

  Q: The Maximum-Operating-Temperature of the product is + 125 C.

• A: What is the Minimum-Operating-Temperature of the product?

  Q: The Minimum-Operating-Temperature of the product is - 40 C.

• A: What is the Output-Voltage of the product?

  Q: The Output-Voltage of the product is - 24 V to - 3 V.

• A: What is the Input-Voltage-MAX of the product?

  Q: The Input-Voltage-MAX of the product is 300 mV.

• A: Is the cutoff frequency of the product Output-Current?

  Q: Yes, the product's Output-Current is indeed 1 A

• A: Is the cutoff frequency of the product Input-Voltage-MIN?

  Q: Yes, the product's Input-Voltage-MIN is indeed - 26 V

• A: What is the Load-Regulation of the product?

  Q: The Load-Regulation of the product is 0.4 %.

• A: What is the Ib-Input-Bias-Current of the product?

  Q: The Ib-Input-Bias-Current of the product is 700 uA.

• A: What is the Quiescent-Current of the product?

  Q: The Quiescent-Current of the product is 5 mA.

• A: Is the cutoff frequency of the product Reference-Voltage?

  Q: Yes, the product's Reference-Voltage is indeed - 1.186 V

• A: What is the Dropout-Voltage of the product?

  Q: The Dropout-Voltage of the product is 0.1 V at 100 mA 0.6 V at 1 A.

• A: Is the cutoff frequency of the product Dropout-Voltage-Max?

  Q: Yes, the product's Dropout-Voltage-Max is indeed 0.2 V at 100 mA 0.8 V at 1 A

• A: What is the Line-Regulation of the product?

  Q: The Line-Regulation of the product is 0.04 %/V.

• A: Is the cutoff frequency of the product PSRR-Ripple-Rejection-Typ?

  Q: Yes, the product's PSRR-Ripple-Rejection-Typ is indeed 60 dB