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Power Circuits Linear Regulator ICs LM2991SX

Power Circuits
LM2991SX
Description: 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125

Overview of LM2991SX by Texas Instruments

Note: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Where used in Applications: Consumer Electronics Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

Price & Stock for LM2991SX by Texas Instruments

Part # Manufacturer Description Stock Price Buy
Win Source Electronics IC REG LDO NEG ADJ 1A DDPAK 1999
  • 9 $5.6530
  • 22 $4.6380
  • 34 $4.4930
  • 46 $4.3480
  • 60 $4.2030
  • 80 $3.7690
$3.7690 / $5.6530 Buy Now

CAD Models for LM2991SX by Texas Instruments
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Part Data Attributes for LM2991SX by Texas Instruments
Parametric Data

LM2991SX
Texas Instruments
Buy Now
-
-
Pbfree Code
Yes
Rohs Code
No
Part Life Cycle Code
Obsolete
Ihs Manufacturer
TEXAS INSTRUMENTS INC
Part Package Code
D2PAK
Package Description
TO-263, 5 PIN
Pin Count
4
Reach Compliance Code
not_compliant
ECCN Code
EAR99
HTS Code
8542.39.00.01
Date Of Intro
1994-06-01
Samacsys Manufacturer
Texas Instruments
Adjustability
ADJUSTABLE
Dropout Voltage1-Max
1 V
Dropout Voltage1-Nom
0.6 V
Input Voltage-Max
0.3 V
Input Voltage-Min
26 V
JESD-30 Code
R-PSSO-G5
JESD-609 Code
e0
Length
10.16 mm
Line Regulation-Max (%/V)
0.04
Load Regulation-Max(%)
0.4%
Moisture Sensitivity Level
3
Number of Functions
1
Number of Outputs
1
Number of Terminals
5
Operating Temperature TJ-Max
125 °C
Operating Temperature TJ-Min
-40 °C
Output Current1-Max
1 A
Output Voltage1-Max
24 V
Output Voltage1-Min
3 V
Package Body Material
PLASTIC/EPOXY
Package Code
TO-263
Package Equivalence Code
SMSIP5H,.6,67TB
Package Shape
RECTANGULAR
Package Style
SMALL OUTLINE
Packing Method
TR
Peak Reflow Temperature (Cel)
235
Qualification Status
Not Qualified
Regulator Type
ADJUSTABLE NEGATIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max
4.8 mm
Surface Mount
YES
Technology
BIPOLAR
Terminal Finish
TIN LEAD
Terminal Form
GULL WING
Terminal Pitch
1.7 mm
Terminal Position
SINGLE
Time@Peak Reflow Temperature-Max (s)
20
Voltage Tolerance-Max
5%
Width
8.64 mm
Want to compare parts?
  1. LM2991SX
    Texas Instruments
    1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125
    VS

Alternate Parts for LM2991SX

This table gives cross-reference parts and alternative options found for LM2991SX. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM2991SX, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number Description Manufacturer Compare
LM2991SX/NOPB 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 Texas Instruments LM2991SX vs LM2991SX/NOPB
LM2991SX IC VREG 3 V-24 V ADJUSTABLE NEGATIVE LDO REGULATOR, 1 V DROPOUT, PSSO5, PLASTIC, TO-263, 5 PIN, Adjustable Negative Single Output LDO Regulator National Semiconductor Corporation LM2991SX vs LM2991SX
LM2991S/NOPB 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 Texas Instruments LM2991SX vs LM2991S/NOPB
LM2991S 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 Texas Instruments LM2991SX vs LM2991S
LM2991S IC VREG 3 V-24 V ADJUSTABLE NEGATIVE LDO REGULATOR, 1 V DROPOUT, PSSO5, PLASTIC, TO-263, 5 PIN, Adjustable Negative Single Output LDO Regulator National Semiconductor Corporation LM2991SX vs LM2991S
Part Number Description Manufacturer Compare
LT1185IT#PBF LT1185 - Low Dropout Regulator; Package: TO-220; Pins: 5; Temperature Range: -40°C to 85°C Linear Technology LM2991SX vs LT1185IT#PBF
LT1175IQ#TR LT1175 - 500mA Negative Low Dropout Micropower Regulator; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C Linear Technology LM2991SX vs LT1175IQ#TR
LT3015MPQ#TRPBF LT3015MPQ#TRPBF Analog Devices Inc LM2991SX vs LT3015MPQ#TRPBF
LT1175MPQ#TR 500mA Negative Low Dropout Micropower Regulator Analog Devices Inc LM2991SX vs LT1175MPQ#TR
LM2991S IC VREG 3 V-24 V ADJUSTABLE NEGATIVE LDO REGULATOR, 1 V DROPOUT, PSSO5, PLASTIC, TO-263, 5 PIN, Adjustable Negative Single Output LDO Regulator National Semiconductor Corporation LM2991SX vs LM2991S
LT1175MPQ Adjustable Negative LDO Regulator, 2V Min, 10V Max, 0.7V Dropout, PSSO5 Analog Devices Inc LM2991SX vs LT1175MPQ
LT1175IQ#TRPBF LT1175 - 500mA Negative Low Dropout Micropower Regulator; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C Linear Technology LM2991SX vs LT1175IQ#TRPBF
LT1185IQ#PBF Low Dropout Regulator Analog Devices Inc LM2991SX vs LT1185IQ#PBF
LT1185IQ LT1185 - Low Dropout Regulator; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C Linear Technology LM2991SX vs LT1185IQ
LT1185IQ#TRPBF Low Dropout Regulator Analog Devices Inc LM2991SX vs LT1185IQ#TRPBF

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