Part Details for LT1129IS8-3.3#TRPBF by Linear Technology
Results Overview of LT1129IS8-3.3#TRPBF by Linear Technology
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (6 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.
LT1129IS8-3.3#TRPBF Information
LT1129IS8-3.3#TRPBF 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.
Part Details for LT1129IS8-3.3#TRPBF
LT1129IS8-3.3#TRPBF CAD Models
LT1129IS8-3.3#TRPBF Part Data Attributes
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LT1129IS8-3.3#TRPBF
Linear Technology
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LT1129IS8-3.3#TRPBF
Linear Technology
LT1129 - 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 | 0.150 INCH, LEAD FREE, PLASTIC, SO-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 | 0.45 V | |
| Input Voltage Absolute-Max | 30 V | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 3.8 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e3 | |
| Length | 4.9025 mm | |
| Line Regulation-Max | 0.01% | |
| Load Regulation-Max | 0.03% | |
| 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 | 0.7 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 | TR | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Seated Height-Max | 1.752 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 | 3.03% | |
| Width | 3.899 mm |
Alternate Parts for LT1129IS8-3.3#TRPBF
This table gives cross-reference parts and alternative options found for LT1129IS8-3.3#TRPBF. 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 LT1129IS8-3.3#TRPBF, 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 |
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| LT1129CS8-3.3#PBF | Analog Devices Inc | $4.2231 | Micropower Low Dropout Regulators with Shutdown | LT1129IS8-3.3#TRPBF vs LT1129CS8-3.3#PBF |
| LT1129IS8-3.3#PBF | Analog Devices Inc | $5.8771 | Micropower Low Dropout Regulators with Shutdown | LT1129IS8-3.3#TRPBF vs LT1129IS8-3.3#PBF |
| LT1129CS8-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, PDSO8 | LT1129IS8-3.3#TRPBF vs LT1129CS8-3.3#TR |
| LT1129IS8-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, PDSO8 | LT1129IS8-3.3#TRPBF vs LT1129IS8-3.3 |
| LT1129IS8-3.3#TRPBF | Analog Devices Inc | Check for Price | Micropower Low Dropout Regulators with Shutdown | LT1129IS8-3.3#TRPBF vs LT1129IS8-3.3#TRPBF |
| LT1129CS8-3.3#TRPBF | Analog Devices Inc | Check for Price | Micropower Low Dropout Regulators with Shutdown | LT1129IS8-3.3#TRPBF vs LT1129CS8-3.3#TRPBF |
LT1129IS8-3.3#TRPBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LT1129IS8-3.3#TRPBF is 15V, but it's recommended to keep it below 12V for optimal performance and reliability.
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To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the input and output capacitors close to the device to minimize noise and oscillations.
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The maximum output current that the LT1129IS8-3.3#TRPBF can deliver is 3A, but it's recommended to keep it below 2.5A for optimal performance and reliability.
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To reduce the noise and ripple in the output voltage, use a low-ESR output capacitor, and add a 10nF to 100nF ceramic capacitor in parallel with the output capacitor. Also, keep the input and output capacitors close to the device to minimize noise and oscillations.
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The thermal shutdown temperature of the LT1129IS8-3.3#TRPBF is 150°C. The device will shut down when the junction temperature exceeds this value, and will restart when the temperature drops below 130°C.