Datasheets
LM2991S by:

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

Part Details for LM2991S by Texas Instruments

Overview of LM2991S by Texas Instruments

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Price & Stock for LM2991S

Part # Distributor Description Stock Price Buy
Bristol Electronics   200
RFQ
DISTI # LM2991S
TME IC: voltage regulator, LDO,adjustable, -24÷-3V, 1A, TO263-5, SMD Min Qty: 1 1
  • 1 $3.6700
  • 3 $3.3000
  • 10 $3.0800
  • 45 $2.8600
$2.8600 / $3.6700 Buy Now
Win Source Electronics LDO Regulator Neg -3V to -24V 1A 6-Pin(5+Tab) DDPAK Tube / IC REG LDO NEG ADJ 1A DDPAK 2000
  • 12 $4.4191
  • 28 $3.6260
  • 43 $3.5127
  • 59 $3.3994
  • 77 $3.2860
  • 102 $2.9461
$2.9461 / $4.4191 Buy Now

Part Details for LM2991S

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LM2991S Part Data Attributes

LM2991S Texas Instruments
Buy Now Datasheet
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LM2991S Texas Instruments 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125
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 TUBE
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

Alternate Parts for LM2991S

This table gives cross-reference parts and alternative options found for LM2991S. 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 LM2991S, 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 Manufacturer Composite Price Description Compare
LM2991S National Semiconductor Corporation Check for Price 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 LM2991S vs LM2991S
LM2991S/NOPB Texas Instruments $4.4530 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 LM2991S vs LM2991S/NOPB
LM2991S/NOPB National Semiconductor Corporation Check for Price 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 LM2991S vs LM2991S/NOPB
LM2991SX National Semiconductor Corporation Check for Price 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 LM2991S vs LM2991SX
LM2991SX Texas Instruments Check for Price 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 LM2991S vs LM2991SX
LM2991SX/NOPB Texas Instruments $4.2698 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 LM2991S vs LM2991SX/NOPB
Part Number Manufacturer Composite Price Description Compare
LT1185CT#TRPBF Analog Devices Inc Check for Price Adjustable Negative LDO Regulator, 2.5V Min, 25V Max, 1V Dropout, BIPolar, PSFM5 LM2991S vs LT1185CT#TRPBF
LT3015MPQ#PBF Analog Devices Inc $17.4724 LT3015MPQ#PBF LM2991S vs LT3015MPQ#PBF
LT3015MPQ#PBF Linear Technology Check for Price LT3015 - 1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit; Package: DD PAK; Pins: 5; Temperature Range: -55°C to 125°C LM2991S vs LT3015MPQ#PBF
LT3015EQ#PBF Linear Technology Check for Price LT3015 - 1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C LM2991S vs LT3015EQ#PBF
LT1185IT#PBF Analog Devices Inc $9.2281 Low Dropout Regulator LM2991S vs LT1185IT#PBF
LT1185IT#TRPBF Linear Technology Check for Price IC VREG 2.5 V-25 V ADJUSTABLE NEGATIVE LDO REGULATOR, 1 V DROPOUT, PSFM5, LEAD FREE, PLASTIC, TO-220, 5 PIN, Adjustable Negative Single Output LDO Regulator LM2991S vs LT1185IT#TRPBF
LT1175IQ#TRPBF Analog Devices Inc $9.1128 500mA Negative Low Dropout Micropower Regulator LM2991S vs LT1175IQ#TRPBF
LT3015IQ#TRPBF Linear Technology Check for Price LT3015 - 1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C LM2991S vs LT3015IQ#TRPBF
LT1185IQ Analog Devices Inc Check for Price Adjustable Negative LDO Regulator, 2.5V Min, 25V Max, 1V Dropout, BIPolar, PSSO5 LM2991S vs LT1185IQ
LT3015MPQ#TRPBF Linear Technology Check for Price LT3015 - 1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit; Package: DD PAK; Pins: 5; Temperature Range: -55°C to 125°C LM2991S vs LT3015MPQ#TRPBF

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