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Same model may have multiple batches, images only for reference.
LM2991SX Real Image
Same model may have multiple batches, images only for reference.

LM2991SX

Part No LM2991SX
Manufacturer Texas Instruments
Catalog PMIC - Voltage Regulators - Linear
Description IC REG LDO NEG ADJ 1A DDPAK
Datasheet
LM2991SX Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Reel - TR
Status Active
Output Type Adjustable
Number of Regulators 1
Maximum Input Voltage -26V
Nominal Output Voltage (Min/Fixed) -3V
Maximum Output Voltage -24V
Dropout Voltage-Max 1V @ 1A
Output Current 1A
Operating Supply Current 0.7mA to 5mA
PSRR 60dB (1kHz)
Control Features Enable
Protection Features Over Temperature, Short Circuit
Temperature Range - Operating -40°C to 125°C
Regulator Topology Negative Adjustable
Output Voltage -3 V to -24 V
Voltage - Dropout (Typical) 0.6V @ 1A
Mounting SMD (SMT)
Case / Package DDPAK/TO-263-5
Win Source Part Number 082683-LM2991SX
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian LM2991SX CAD Model

Description

The LM2991SX from Texas Instruments is a versatile and high-performing low-dropout adjustable regulator designed to deliver a wide range of adjustable output voltages, from -1.2V to -37V.

  • Output Current: 1A
  • Output Voltages: -1.2V to -37V
  • Dropout Voltage: low-dropout voltage
  • Protection Features: current limiting and thermal shutdown features
  • Accuracy: line regulation of 0.01%/V and a load regulation of 0.3%
  • Package: TO-263 package

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Pricing & Ordering

Quantity Unit Price Ext. Price
11+ $4.9466 $54.4126
25+ $4.0588 $101.4700
39+ $3.9320 $153.3480
53+ $3.8051 $201.6703
68+ $3.6783 $250.1244
91+ $3.2978 $300.0998
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