Part Details for LT1521CST-3#PBF by Analog Devices Inc
Results Overview of LT1521CST-3#PBF by Analog Devices Inc
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 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
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
LT1521CST-3#PBF Information
LT1521CST-3#PBF 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 LT1521CST-3#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
02AM2854
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Newark | Ldo, Fixed, 3V, 0.3A, 0 To 125Deg C Rohs Compliant: Yes |Analog Devices LT1521CST-3#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 149 |
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$3.1000 / $7.3400 | Buy Now |
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DISTI #
LT1521CST-3#PBF-ND
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DigiKey | IC REG LINEAR 3V 300MA SOT-223-3 Min Qty: 1 Lead time: 10 Weeks Container: Tube |
606 In Stock |
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$3.0125 / $7.3400 | Buy Now |
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DISTI #
584-LT1521CST-3#PBF
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Mouser Electronics | LDO Voltage Regulators 300mA L Drop Regs w/ uP Q C & SD RoHS: Compliant | 14 |
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$3.0100 / $7.3400 | Buy Now |
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Analog Devices Inc | 300mA L Drop Regs w/ uP Q C & Package Multiple: 78 | 3398 |
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$2.4100 / $7.3400 | Buy Now |
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DISTI #
LT1521CST-3#PBF
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Richardson RFPD | VOLTAGE REGULATOR RoHS: Compliant Min Qty: 156 | 0 |
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$3.1100 / $3.4200 | Buy Now |
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Chip Stock | LDORegulatorPos3V0.3A4-Pin(3+Tab)SOT-223 | 626 |
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RFQ |
US Tariff Estimator: LT1521CST-3#PBF 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 LT1521CST-3#PBF
LT1521CST-3#PBF CAD Models
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LT1521CST-3#PBF Part Data Attributes
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LT1521CST-3#PBF
Analog Devices Inc
Buy Now
Datasheet
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LT1521CST-3#PBF
Analog Devices Inc
Fixed Positive LDO Regulator, 3V, 0.75V Dropout, BIPolar, PDSO4
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| 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 | 0.75 V | |
| Dropout Voltage1-Nom | 0.5 V | |
| Input Voltage Absolute-Max | 20 V | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 4 V | |
| JESD-30 Code | R-PDSO-G4 | |
| JESD-609 Code | e3 | |
| Length | 6.505 Mm | |
| Line Regulation-Max | 0.02% | |
| Load Regulation-Max | 0.055% | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 4 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 0.3 A | |
| Output Voltage1-Max | 3.1 V | |
| Output Voltage1-Min | 2.9 V | |
| Output Voltage1-Nom | 3 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOT-223 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| 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 | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Voltage Tolerance-Max | 3.3% | |
| Width | 3.505 Mm |
Alternate Parts for LT1521CST-3#PBF
This table gives cross-reference parts and alternative options found for LT1521CST-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 LT1521CST-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 |
|---|---|---|---|---|
| MIC5200-3.3YS | Microchip Technology Inc | $1.2024 | 100mA, 1% LDO Regulator | LT1521CST-3#PBF vs MIC5200-3.3YS |
| LT1521IST-3.3#TRPBF | Analog Devices Inc | $4.5216 | Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, BIPolar, PDSO4 | LT1521CST-3#PBF vs LT1521IST-3.3#TRPBF |
| LT1521IST-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, BIPolar, PDSO4 | LT1521CST-3#PBF vs LT1521IST-3.3#TR |
| MAX8885EUK33+ | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.22V Dropout, PMOS, PDSO5 | LT1521CST-3#PBF vs MAX8885EUK33+ |
| MAX8885EUK30-T | Maxim Integrated Products | Check for Price | Fixed Positive LDO Regulator, 3V, 0.22V Dropout, PMOS, PDSO5 | LT1521CST-3#PBF vs MAX8885EUK30-T |
| MAX8885EUK30+ | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3V, 0.22V Dropout, PMOS, PDSO5 | LT1521CST-3#PBF vs MAX8885EUK30+ |
| LT1121CST-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, BIPolar, PDSO4 | LT1521CST-3#PBF vs LT1121CST-3.3 |
| LT1521IST-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, BIPolar, PDSO4 | LT1521CST-3#PBF vs LT1521IST-3.3 |
| MIC5200-3.0BST&R | Micrel Inc | Check for Price | Fixed Positive LDO Regulator, 3V, 0.35V Dropout, PDSO4 | LT1521CST-3#PBF vs MIC5200-3.0BST&R |
| MIC5206-3.0YM5-TR | Microchip Technology Inc | Check for Price | 150mA 1% Low Noise LDO w/Flag | LT1521CST-3#PBF vs MIC5206-3.0YM5-TR |
LT1521CST-3#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT1521CST-3#PBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog ground plane and to keep the power supply traces away from the analog signals.
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To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor has a low ESR (Equivalent Series Resistance) and that the input capacitor is properly sized. It's also important to check for oscillations and ringing in the output voltage waveform.
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The maximum ambient temperature range for the LT1521CST-3#PBF is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, so it's recommended to derate the output current and voltage accordingly.
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Yes, the LT1521CST-3#PBF is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process and has been tested to meet the requirements of the AEC-Q100 standard. However, it's recommended to consult with Analog Devices Inc for specific requirements and testing.
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To troubleshoot issues with the LT1521CST-3#PBF, start by checking the input voltage, output voltage, and output current. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to check for oscillations, ringing, or other anomalies in the output voltage waveform. Consult the datasheet and application notes for troubleshooting guides and FAQs.