LM2991SX representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN19 sourced attributes1 source document

Texas Instruments · exact orderable part

LM2991SX

IC REG LIN NEG ADJ 1A DDPAK

Voltage - Input (Max)
-26V
Voltage - Output (Min/Fixed)
-3V
Voltage - Output (Max)
-24V
Current - Output
1A
Voltage Dropout (Max)
1V @ 1A
Current - Quiescent (Iq)
0.7 mA
PSRR
60dB (1kHz)
Output Type
Adjustable
Protection Features
Over Temperature, Short Circuit
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / caseTO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting typeSurface Mount
PackingTape & Reel (TR); Cut Tape (CT); Digi-Reel®

Technical parameters

Technical specifications

LM2991SX technical parameters
ParameterValue
Base Product NumberLM2991 [1]
Control FeaturesEnable [1]
Current - Output1A [1]
Current - Quiescent (Iq)0.7 mA [1]
Current - Supply (Max)5 mA [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount [1]
Number of Regulators1 [1]
Operating Temperature-40°C~125°C [1]
Output ConfigurationNegative [1]
Output TypeAdjustable [1]
PSRR60dB (1kHz) [1]
Product StatusNot For New Designs [1]
Voltage - Output (Max)-24V [1]
Protection FeaturesOver Temperature, Short Circuit [1]
Voltage - Input (Max)-26V [1]
Voltage - Output (Min/Fixed)-3V [1]
Voltage Dropout (Max)1V @ 1A [1]
Package / CaseTO-263-6, D²Pak (5 Leads + Tab), TO-263BA [1]

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