Part Details for LT1121IS8-3.3#PBF by Linear Technology
Results Overview of LT1121IS8-3.3#PBF by Linear Technology
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (5 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- 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.
LT1121IS8-3.3#PBF Information
LT1121IS8-3.3#PBF by Linear Technology 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 LT1121IS8-3.3#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PDSO8 | 6 |
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$4.3724 / $8.7447 | Buy Now |
Part Details for LT1121IS8-3.3#PBF
LT1121IS8-3.3#PBF CAD Models
LT1121IS8-3.3#PBF Part Data Attributes
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LT1121IS8-3.3#PBF
Linear Technology
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Datasheet
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LT1121IS8-3.3#PBF
Linear Technology
LT1121 - Micropower Low Dropout Regulators with Shutdown; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP | |
| Part Package Code | SOIC | |
| Package Description | SOP-8 | |
| Pin Count | 8 | |
| Manufacturer Package Code | S8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Adjustability | FIXED | |
| Dropout Voltage1-Max | 0.7 V | |
| Dropout Voltage1-Nom | 0.42 V | |
| Input Voltage Absolute-Max | 30 V | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 4.3 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e3 | |
| Length | 4.93 mm | |
| Line Regulation-Max | 0.01% | |
| Load Regulation-Max | 0.04% | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | -40 °C | |
| Output Current1-Max | 0.15 A | |
| Output Voltage1-Max | 3.4 V | |
| Output Voltage1-Min | 3.2 V | |
| Output Voltage1-Nom | 3.3 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Packing Method | TUBE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Seated Height-Max | 1.75 mm | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Voltage Tolerance-Max | 3% | |
| Width | 3.9 mm |
Alternate Parts for LT1121IS8-3.3#PBF
This table gives cross-reference parts and alternative options found for LT1121IS8-3.3#PBF. 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 LT1121IS8-3.3#PBF, 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 |
|---|---|---|---|---|
| LT1121CS8-3.3#PBF | Analog Devices Inc | $3.5481 | Micropower Low Dropout Regulators with Shutdown | LT1121IS8-3.3#PBF vs LT1121CS8-3.3#PBF |
| LT1121CS8-3.3#PBF | Linear Technology | Check for Price | LT1121 - Micropower Low Dropout Regulators with Shutdown; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C | LT1121IS8-3.3#PBF vs LT1121CS8-3.3#PBF |
| LT1121CS8-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PDSO8 | LT1121IS8-3.3#PBF vs LT1121CS8-3.3 |
| LT1121IS8-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PDSO8 | LT1121IS8-3.3#PBF vs LT1121IS8-3.3 |
| LT1121CS8-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PDSO8 | LT1121IS8-3.3#PBF vs LT1121CS8-3.3#TR |
LT1121IS8-3.3#PBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LT1121IS8-3.3#PBF is 15V, but it's recommended to operate within the specified input voltage range of 3.3V to 12V for optimal performance and reliability.
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To ensure the stability of the output voltage, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor with a low ESR and a minimum capacitance of 10uF.
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The maximum output current that the LT1121IS8-3.3#PBF can deliver is 1A, but it's recommended to operate within the specified output current range of 0.1A to 0.5A for optimal performance and reliability.
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To reduce the noise and ripple in the output voltage, it's recommended to use a low-ESR output capacitor, add a noise-reducing capacitor (e.g., 10nF) between the output and ground, and ensure good PCB layout and grounding practices.
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The thermal shutdown temperature of the LT1121IS8-3.3#PBF is typically around 150°C, but it's recommended to operate within the specified operating temperature range of -40°C to 125°C for optimal performance and reliability.