Part Details for LD1117ASTR by STMicroelectronics
Results Overview of LD1117ASTR by STMicroelectronics
- Distributor Offerings: (24 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.
LD1117ASTR Information
LD1117ASTR by STMicroelectronics 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 LD1117ASTR
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2849769
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Farnell | LDO, ADJ, 1.25V TO 15V, 0.95A, SOT-223-4 COO: Malaysia RoHS: Compliant Min Qty: 5 Lead time: 14 Weeks, 1 Days Container: Cut Tape | 2373 |
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$0.1906 / $0.4673 | Buy Now |
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DISTI #
2849769RL
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Farnell | LDO, ADJ, 1.25V TO 15V, 0.95A, SOT-223-4 COO: Malaysia RoHS: Compliant Min Qty: 100 Lead time: 14 Weeks, 1 Days Container: Tape & Reel | 2373 |
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$0.1906 / $0.2542 | Buy Now |
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DISTI #
497-1229-1-ND
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DigiKey | IC REG LINEAR POS ADJ 1A SOT-223 Min Qty: 1 Lead time: 18 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
7350 In Stock |
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$0.1654 / $0.4100 | Buy Now |
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DISTI #
LD1117ASTR
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Avnet Americas | LDO Regulator Pos 1.25V to 15V 1.2A 4-Pin(3+Tab) SOT-223 T/R - Tape and Reel (Alt: LD1117ASTR) COO: Singapore RoHS: Compliant Min Qty: 5000 Package Multiple: 2500 Lead time: 10 Weeks, 0 Days Container: Tape & Reel | 0 |
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$0.1463 / $0.1556 | Buy Now |
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DISTI #
511-LD1117ASTR
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Mouser Electronics | LDO Voltage Regulators LOW DROP ADJ REG RoHS: Compliant | 12817 |
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$0.1740 / $0.4000 | Buy Now |
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DISTI #
V36:1790_06552702
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Arrow Electronics | LDO Regulator Pos 1.25V to 15V 1.2A 4-Pin(3+Tab) SOT-223 T/R COO: China RoHS: Compliant Min Qty: 5000 Package Multiple: 2500 Lead time: 10 Weeks Date Code: 2446 | Americas - 212500 |
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$0.1568 / $0.1639 | Buy Now |
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DISTI #
V72:2272_18456056
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Arrow Electronics | LDO Regulator Pos 1.25V to 15V 1.2A 4-Pin(3+Tab) SOT-223 T/R COO: China RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 14 Weeks Date Code: 2151 Container: Cut Strips | Americas - 4 |
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$0.3202 | Buy Now |
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STMicroelectronics | Low drop fixed and adjustable positive voltage regulators COO: Singapore RoHS: Compliant Min Qty: 1 | 12817 |
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$0.1900 / $0.3900 | Buy Now |
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Future Electronics | LD1117 Series 1 A 1.2 to 1.3 V Adjustable Positive Voltage LDO Regulator - SOT-223 RoHS: Compliant pbFree: Yes Min Qty: 5000 Package Multiple: 2500 Lead time: 10 Weeks Container: Reel | 0Reel |
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$0.1540 / $0.1600 | Buy Now |
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DISTI #
87064600
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Verical | LDO Regulator Pos 1.25V to 15V 1.2A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 5000 Package Multiple: 2500 Date Code: 2446 | Americas - 212500 |
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$0.1568 / $0.1639 | Buy Now |
US Tariff Estimator: LD1117ASTR by STMicroelectronics
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 LD1117ASTR
LD1117ASTR Part Data Attributes
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LD1117ASTR
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
LD1117ASTR
STMicroelectronics
Adjustable Positive LDO Regulator, 1.25V Min, 15V Max, 1.3V Dropout, BIPolar, PDSO4
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOT-223 | |
| Package Description | Rohs Compliant, Sot-223, 4 Pin | |
| Pin Count | 4 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Factory Lead Time | 12 Weeks | |
| Adjustability | Adjustable | |
| Dropout Voltage1-Max | 1.3 V | |
| Dropout Voltage1-Nom | 1.15 V | |
| JESD-30 Code | R-PDSO-G4 | |
| JESD-609 Code | e3 | |
| Length | 6.5 Mm | |
| Line Regulation-Max (%/V) | 0.067 | |
| Load Regulation-Max(%) | 0.8% | |
| 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 | 1 A | |
| Output Voltage1-Max | 15 V | |
| Output Voltage1-Min | 1.25 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) | 250 | |
| Qualification Status | Not Qualified | |
| Regulator Type | Adjustable Positive Single Output Ldo Regulator | |
| Seated Height-Max | 1.9 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) | Not Specified | |
| Width | 3.5 Mm |
Alternate Parts for LD1117ASTR
This table gives cross-reference parts and alternative options found for LD1117ASTR. 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 LD1117ASTR, 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 |
|---|---|---|---|---|
| REG1117 | Texas Instruments | $1.3059 | Adjustable Positive LDO Regulator, 1.25V Min, 13.8V Max, 1.2V Dropout, BIPolar, PDSO4 | LD1117ASTR vs REG1117 |
| AP1117E | Diodes Incorporated | Check for Price | Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 1.4V Dropout, BIPolar, PDSO4 | LD1117ASTR vs AP1117E |
| LT1585ACT | onsemi | Check for Price | Adjustable Positive LDO Regulator, 1.25V Min, 5.5V Max, 1.3V Dropout, BIPolar, PSFM3 | LD1117ASTR vs LT1585ACT |
| EZ1117CM | Semtech Corporation | Check for Price | Adjustable Positive LDO Regulator, 1.3V Min, 5.7V Max, 1.2V Dropout, BIPolar, PSSO3 | LD1117ASTR vs EZ1117CM |
| AP1117EIG-13 | Diodes Incorporated | Check for Price | Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 1.4V Dropout, PDSO3 | LD1117ASTR vs AP1117EIG-13 |
| AP1117EA | Diodes Incorporated | Check for Price | Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 1.4V Dropout, BIPolar, PDSO4 | LD1117ASTR vs AP1117EA |
| CS5201-1GT3 | Cherry Semiconductor Corporation | Check for Price | Adjustable Positive LDO Regulator, 1.25V Min, 5.5V Max, 1.2V Dropout, BIPolar, PSFM3 | LD1117ASTR vs CS5201-1GT3 |
| LMS1585ACS-ADJ | Texas Instruments | Check for Price | Fixed Positive LDO Regulator | LD1117ASTR vs LMS1585ACS-ADJ |
| EZ1117CSTTR | Semtech Corporation | Check for Price | Adjustable Positive LDO Regulator, 1.3V Min, 5.7V Max, 1.2V Dropout, BIPolar, PDSO4 | LD1117ASTR vs EZ1117CSTTR |
| LD1085D2T | STMicroelectronics | Check for Price | Adjustable Positive LDO Regulator, 1.225V Min, 1.275V Max, 1.5V Dropout, BIPolar, PSSO2 | LD1117ASTR vs LD1085D2T |
LD1117ASTR Frequently Asked Questions (FAQ)
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The maximum input voltage for the LD1117ASTR is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
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To ensure stability, make sure to use a minimum output capacitance of 10uF, and an ESR (Equivalent Series Resistance) of less than 1 ohm. Also, keep the input and output capacitors close to the regulator to minimize noise and oscillations.
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The dropout voltage of the LD1117ASTR is around 1.5V, which means the input voltage should be at least 1.5V higher than the output voltage for proper regulation.
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The LD1117ASTR has a maximum operating junction temperature of 125°C. While it can operate in high-temperature environments, it's essential to ensure proper heat sinking and thermal management to prevent overheating and reduce the risk of thermal shutdown.
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To calculate the power dissipation, use the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Make sure to consider the maximum power dissipation rating of 15W for the LD1117ASTR.