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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Applications Consumer Electronics Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

Price & Stock for LM2991S

Part # Distributor Description Stock Price Buy
DISTI # LM2991S-ND
DigiKey IC REG LIN NEG ADJ 1A DDPAK Min Qty: 1 Lead time: 12 Weeks Container: Tube 2
In Stock
  • 1 $5.9700
$5.9700 Buy Now
Bristol Electronics   200
RFQ
DISTI # LM2991S
TME IC: voltage regulator, LDO,adjustable, -24÷-3V, 1A, TO263-5, SMD Min Qty: 1 168
  • 1 $3.6700
  • 3 $3.3000
  • 10 $3.0800
  • 45 $2.8600
$2.8600 / $3.6700 Buy Now
Ameya Holding Limited NSCLM2991S 113
RFQ
Win Source Electronics LDO Regulator Neg -3V to -24V 1A 6-Pin(5+Tab) DDPAK Tube / IC REG LDO NEG ADJ 1A DDPAK 5973
  • 8 $7.0660
  • 18 $5.7980
  • 27 $5.6160
  • 37 $5.4350
  • 48 $5.2540
  • 64 $4.7110
$4.7110 / $7.0660 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 Description Manufacturer Compare
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 LM2991S vs LM2991S
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 LM2991S vs LM2991SX
LM2991SX/NOPB 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 LM2991S vs LM2991SX/NOPB
LM2991S/NOPB 1-A, negative, adjustable low-dropout voltage regulator with enable 5-DDPAK/TO-263 -40 to 125 Texas Instruments LM2991S vs LM2991S/NOPB
Part Number Description Manufacturer Compare
LT1175MPQ#TRPBF LT1175 - 500mA Negative Low Dropout Micropower Regulator; Package: DD PAK; Pins: 5; Temperature Range: -55°C to 125°C Linear Technology LM2991S vs LT1175MPQ#TRPBF
LT3015EQ#TRPBF LT3015EQ#TRPBF Analog Devices Inc LM2991S vs LT3015EQ#TRPBF
LT1185IQ Adjustable Negative LDO Regulator, 2.5V Min, 25V Max, 1V Dropout, BIPolar, PSSO5 Analog Devices Inc LM2991S vs LT1185IQ
LT1175CQ LT1175 - 500mA Negative Low Dropout Micropower Regulator; Package: DD PAK; Pins: 5; Temperature Range: 0°C to 70°C Linear Technology LM2991S vs LT1175CQ
LT1185IT#TR IC VREG 2.5 V-25 V ADJUSTABLE NEGATIVE LDO REGULATOR, 1 V DROPOUT, PSFM5, PLASTIC, TO-220, 5 PIN, Adjustable Negative Single Output LDO Regulator Linear Technology LM2991S vs LT1185IT#TR
LT1175MPQ#PBF 500mA Negative Low Dropout Micropower Regulator Analog Devices Inc LM2991S vs LT1175MPQ#PBF
LT1185IQ#PBF Low Dropout Regulator Analog Devices Inc LM2991S vs LT1185IQ#PBF
LT1185IQ#TR LT1185 - Low Dropout Regulator; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C Linear Technology LM2991S vs LT1185IQ#TR
LT1175CQ#TRPBF LT1175 - 500mA Negative Low Dropout Micropower Regulator; Package: DD PAK; Pins: 5; Temperature Range: 0°C to 70°C Linear Technology LM2991S vs LT1175CQ#TRPBF
LT3015IQ#PBF LT3015 - 1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit; Package: DD PAK; Pins: 5; Temperature Range: -40°C to 85°C Linear Technology LM2991S vs LT3015IQ#PBF

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