Part Details for LP3891ES-1.2 by Texas Instruments
Results Overview of LP3891ES-1.2 by Texas Instruments
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (2 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: 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.
Applications
Education and Research
Internet of Things (IoT)
Computing and Data Storage
Aerospace and Defense
Healthcare
Telecommunications
Automotive
LP3891ES-1.2 Information
LP3891ES-1.2 by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LP3891ES-1.2
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2156-LP3891ES-1.2-ND
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DigiKey | IC REG LINEAR 1.2V 800MA TO263 Min Qty: 86 Lead time: 12 Weeks Container: Bulk MARKETPLACE PRODUCT |
8307 In Stock |
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$3.5000 | Buy Now |
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DISTI #
LP3891ES-1.2-ND
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DigiKey | IC REG LINEAR 1.2V 800MA TO263 Min Qty: 86 Lead time: 12 Weeks Container: Tube | Limited Supply - Call |
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$3.9818 | Buy Now |
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DISTI #
85992385
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Verical | LDO Regulator Pos 1.2V 0.8A 6-Pin(5+Tab) DDPAK Tube RoHS: Not Compliant Min Qty: 113 Package Multiple: 1 Date Code: 1501 | Americas - 8307 |
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$2.8000 / $3.3250 | Buy Now |
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Rochester Electronics | Fixed Positive LDO Regulator, 1.2V, 0.4V Dropout, CMOS, PSSO5 RoHS: Not Compliant Status: Obsolete Min Qty: 1 | 8307 |
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$2.2400 / $2.8000 | Buy Now |
US Tariff Estimator: LP3891ES-1.2 by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for LP3891ES-1.2
LP3891ES-1.2 CAD Models
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LP3891ES-1.2 Part Data Attributes
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LP3891ES-1.2
Texas Instruments
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Datasheet
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LP3891ES-1.2
Texas Instruments
Fixed Positive LDO Regulator, 1.2V, 0.4V Dropout, CMOS, PSSO5
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | D2PAK | |
| Package Description | To-263, 5 Pin | |
| Pin Count | 4 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Adjustability | Fixed | |
| Dropout Voltage1-Max | 0.4 V | |
| Dropout Voltage1-Nom | 0.1 V | |
| Input Voltage Absolute-Max | 6 V | |
| Input Voltage-Max | 5.5 V | |
| Input Voltage-Min | 1.6 V | |
| JESD-30 Code | R-PSSO-G5 | |
| JESD-609 Code | e0 | |
| Length | 10.16 Mm | |
| Line Regulation-Max | 0.000468% | |
| Load Regulation-Max | 0.00072% | |
| 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 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current1-Max | 0.8 A | |
| Output Voltage1-Max | 1.246 V | |
| Output Voltage1-Min | 1.186 V | |
| Output Voltage1-Nom | 1.2 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 | Fixed Positive Single Output Ldo Regulator | |
| Seated Height-Max | 4.8 Mm | |
| Surface Mount | Yes | |
| Technology | Cmos | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.7 Mm | |
| Terminal Position | Single | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Voltage Tolerance-Max | 2.5% | |
| Width | 8.64 Mm |
Alternate Parts for LP3891ES-1.2
This table gives cross-reference parts and alternative options found for LP3891ES-1.2. 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 LP3891ES-1.2, 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 |
|---|---|---|---|---|
| LP3891ESX-1.2 | Texas Instruments | Check for Price | Fixed Positive LDO Regulator, 1.2V, 0.4V Dropout, CMOS, PSSO5 | LP3891ES-1.2 vs LP3891ESX-1.2 |
LP3891ES-1.2 Frequently Asked Questions (FAQ)
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The recommended input capacitor value is 10uF to 22uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input voltage ripple and improve output voltage regulation.
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To ensure stability, it is recommended to use a minimum output capacitor value of 10uF with an ESR (Equivalent Series Resistance) of 0.1 ohms or less. Additionally, the output capacitor should be placed close to the regulator to minimize parasitic inductance and resistance.
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The maximum input voltage that can be applied to LP3891ES-1.2 is 15V. Exceeding this voltage can cause damage to the regulator and affect its performance.
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Yes, LP3891ES-1.2 can operate in a high-temperature environment, but its performance may be affected. The regulator is rated for operation up to 125°C, but its output voltage accuracy and regulation may degrade at higher temperatures.
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The power dissipation of LP3891ES-1.2 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. The maximum power dissipation rating of LP3891ES-1.2 is 1.5W.