Part Details for LT1129MPST-3.3#TRPBF by Analog Devices Inc
Results Overview of LT1129MPST-3.3#TRPBF by Analog Devices Inc
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- 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.
LT1129MPST-3.3#TRPBF Information
LT1129MPST-3.3#TRPBF by Analog Devices Inc 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 LT1129MPST-3.3#TRPBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
LT1129MPST-3.3#TRPBF-ND
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DigiKey | IC REG LIN 3.3V 700MA SOT-223-3 Min Qty: 2000 Lead time: 10 Weeks Container: Tape & Reel (TR) | Temporarily Out of Stock |
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$13.0625 | Buy Now |
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DISTI #
584-1129MPST-3.3TPF
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Mouser Electronics | LDO Voltage Regulators uP L Drop Regs w/ SD RoHS: Compliant | 0 |
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$13.0600 | Order Now |
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Analog Devices Inc | uP L Drop Regs w/ SD Min Qty: 2000 Package Multiple: 2000 | 0 |
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$10.4500 / $14.8100 | Buy Now |
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DISTI #
LT1129MPST-3.3T
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Richardson RFPD | VOLTAGE REGULATOR RoHS: Compliant Min Qty: 2000 | 0 |
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$13.4900 / $14.0300 | Buy Now |
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Vyrian | Peripheral ICs | 3777 |
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RFQ |
US Tariff Estimator: LT1129MPST-3.3#TRPBF by Analog Devices Inc
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 LT1129MPST-3.3#TRPBF
LT1129MPST-3.3#TRPBF Part Data Attributes
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LT1129MPST-3.3#TRPBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT1129MPST-3.3#TRPBF
Analog Devices Inc
Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PSSO3
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | Lead Free , Plastic, Sot-223, 3 Pin | |
| Pin Count | 3 | |
| Manufacturer Package Code | 05-08-1630 | |
| Reach Compliance Code | Not 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-PSSO-G3 | |
| JESD-609 Code | e3 | |
| Length | 6.505 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 | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | -55 °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 | SOT-223 | |
| 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 | 1.8 Mm | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 2.3 Mm | |
| Terminal Position | Single | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Voltage Tolerance-Max | 3% | |
| Width | 3.505 Mm |
Alternate Parts for LT1129MPST-3.3#TRPBF
This table gives cross-reference parts and alternative options found for LT1129MPST-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 LT1129MPST-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 |
|---|---|---|---|---|
| TC1264-3.3VDBTR | Microchip Technology Inc | $0.9015 | 800mA Fixed Output CMOS LDO | LT1129MPST-3.3#TRPBF vs TC1264-3.3VDBTR |
| LT1129CQ-3.3#PBF | Analog Devices Inc | $5.2817 | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PSSO5 | LT1129MPST-3.3#TRPBF vs LT1129CQ-3.3#PBF |
| LT1129IQ-3.3#TRPBF | Analog Devices Inc | $5.6615 | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PSSO5 | LT1129MPST-3.3#TRPBF vs LT1129IQ-3.3#TRPBF |
| LT1129IST-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PSSO3 | LT1129MPST-3.3#TRPBF vs LT1129IST-3.3#TR |
| LT1129T-3.3 | Linear Technology | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.4V Dropout, PSFM5 | LT1129MPST-3.3#TRPBF vs LT1129T-3.3 |
| LT1129CST-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PSSO3 | LT1129MPST-3.3#TRPBF vs LT1129CST-3.3#TR |
| LT1129IS8-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PDSO8 | LT1129MPST-3.3#TRPBF vs LT1129IS8-3.3#TR |
| SPX1129R-3.3 | Sipex Corporation | Check for Price | Fixed Positive LDO Regulator, 0.7V Dropout, PSSO2 | LT1129MPST-3.3#TRPBF vs SPX1129R-3.3 |
| LT1129Q-3.3 | Linear Technology | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.4V Dropout, PSSO5 | LT1129MPST-3.3#TRPBF vs LT1129Q-3.3 |
| LT1129CS8-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PDSO8 | LT1129MPST-3.3#TRPBF vs LT1129CS8-3.3 |
LT1129MPST-3.3#TRPBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT1129MPST-3.3 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
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To ensure stability, make sure to follow the recommended capacitor values and types, and keep the output capacitor ESR within the recommended range. Also, avoid using capacitors with high ESL or ESR, and keep the input and output capacitors close to the device. Additionally, ensure that the PCB layout is well-designed and does not introduce unwanted inductance or capacitance.
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The maximum input voltage that can be applied to the LT1129MPST-3.3 is 15V, but it's recommended to keep the input voltage below 12V to ensure reliable operation and to prevent damage to the device.
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The LT1129MPST-3.3 is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures, and to ensure good thermal design and heat sinking to keep the device temperature within the recommended range.
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To troubleshoot issues with the LT1129MPST-3.3, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check the PCB layout for any signs of noise or EMI, and ensure that the device is properly soldered and connected. If the issue persists, consult the datasheet and application notes, or contact Analog Devices' technical support for further assistance.