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Part Details for LT1521CST-3.3#PBF by Analog Devices Inc
Results Overview of LT1521CST-3.3#PBF by Analog Devices Inc
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (7 replacements)
- CAD Models: (Available)
- 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.
Applications
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
LT1521CST-3.3#PBF Information
LT1521CST-3.3#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-3.3#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
51AK8121
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Newark | Ldo, Fixed, 3.3V, 0.3A, Sot-223-3, Output Type:Fixed, Input Voltage Min:4.3V, Input Voltage Max:20V, No. Of Outputs:-, Output Voltage Min:-, Output Voltage Max:-, Polarity:-, Ic Mounting:Surface Mount, Ic Case/Package:Sot-223 Rohs Compliant: Yes |Analog Devices LT1521CST-3.3#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 171 |
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$3.2700 / $5.7900 | Buy Now |
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DISTI #
LT1521CST-3.3#PBF-ND
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DigiKey | IC REG LIN 3.3V 300MA SOT-223-3 Min Qty: 1 Lead time: 10 Weeks Container: Tube |
3032 In Stock |
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$3.0125 / $7.3400 | Buy Now |
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DISTI #
584-LT1521CST-3.3PBF
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Mouser Electronics | LDO Voltage Regulators 300mA L Drop Regs w/ uP Q C & SD RoHS: Compliant | 1649 |
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$3.1600 / $5.7900 | Buy Now |
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DISTI #
V36:1790_06417827
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Arrow Electronics | LDO Regulator Pos 3.3V 0.3A 4-Pin(3+Tab) SOT-223 Tube Min Qty: 156 Package Multiple: 78 Lead time: 10 Weeks Date Code: 2325 | Americas - 45 |
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$2.8810 / $2.9710 | Buy Now |
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Analog Devices Inc | 300mA L Drop Regs w/ uP Q C & Package Multiple: 78 | 607 |
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$2.4100 / $7.3400 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,FIXED,+3.3V,BIPOLAR,SOT-223,3PIN,PLASTIC | 40 |
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$4.8562 / $7.2843 | Buy Now |
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DISTI #
LT1521CST-3.3PB
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Richardson RFPD | VOLTAGE REGULATOR RoHS: Compliant Min Qty: 156 | 0 |
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$3.1100 / $3.4200 | Buy Now |
Part Details for LT1521CST-3.3#PBF
LT1521CST-3.3#PBF CAD Models
LT1521CST-3.3#PBF Part Data Attributes
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LT1521CST-3.3#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT1521CST-3.3#PBF
Analog Devices Inc
300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Pin Count | 3 | |
| Manufacturer Package Code | 05-08-1630 | |
| Reach Compliance Code | not_compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Dropout Voltage1-Max | 0.75 V | |
| Dropout Voltage1-Nom | 0.5 V | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 4.3 V | |
| JESD-30 Code | R-PDSO-G4 | |
| JESD-609 Code | e3 | |
| Length | 6.505 mm | |
| Load Regulation-Max | 0.055% | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 4 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 0.3 A | |
| Output Voltage1-Max | 3.4 V | |
| Output Voltage1-Min | 3.2 V | |
| Output Voltage1-Nom | 3.3 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| 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% | |
| Width | 3.505 mm |
Alternate Parts for LT1521CST-3.3#PBF
This table gives cross-reference parts and alternative options found for LT1521CST-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 LT1521CST-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 |
|---|---|---|---|---|
| LT1521IST-3.3 | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, PDSO4 | LT1521CST-3.3#PBF vs LT1521IST-3.3 |
| LT1521IST-3.3#TR | Analog Devices Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, PDSO4 | LT1521CST-3.3#PBF vs LT1521IST-3.3#TR |
| LT1521CST-3.3#TR | Linear Technology | Check for Price | LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package: SOT; Pins: 3; Temperature Range: 0°C to 70°C | LT1521CST-3.3#PBF vs LT1521CST-3.3#TR |
| LT1521CST-3.3#PBF | Linear Technology | Check for Price | LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package: SOT; Pins: 3; Temperature Range: 0°C to 70°C | LT1521CST-3.3#PBF vs LT1521CST-3.3#PBF |
| LT1521IST-3.3#PBF | Linear Technology | Check for Price | LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package: SOT; Pins: 3; Temperature Range: -40°C to 85°C | LT1521CST-3.3#PBF vs LT1521IST-3.3#PBF |
| LT1521IST-3.3 | Linear Technology | Check for Price | LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package: SOT; Pins: 3; Temperature Range: -40°C to 85°C | LT1521CST-3.3#PBF vs LT1521IST-3.3 |
| LT1521CST-3.3 | Linear Technology | Check for Price | LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package: SOT; Pins: 3; Temperature Range: 0°C to 70°C | LT1521CST-3.3#PBF vs LT1521CST-3.3 |
LT1521CST-3.3#PBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LT1521CST-3.3#PBF is 15V, but it's recommended to keep it below 12V for optimal performance and reliability.
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To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, ensure that the input voltage is within the recommended range and the output current is within the specified limits.
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The minimum input voltage required for the LT1521CST-3.3#PBF to operate is 3.5V, but it's recommended to keep it above 4V for optimal performance.
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The LT1521CST-3.3#PBF is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at higher temperatures to ensure reliability.
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To reduce noise and ripple, 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.