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Low drop fixed and adjustable positive voltage regulators
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.
LD1117AS12TR 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.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
69AH0578
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Newark | Ldo, Fixed, 1.2V, 1.2A, 0 To 125Deg C Rohs Compliant: Yes |Stmicroelectronics LD1117AS12TR RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Cut Tape | 791 |
|
$0.3530 / $0.6400 | Buy Now |
DISTI #
45Y5359
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Newark | Ldo Vlt Reg, 1.2V, 1.2A, Sot-223-3, Output Type:Fixed, Input Voltage Min:-, Input Voltage Max:10V, Fixed Output Voltage Nom.:1.2V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1.2A, Dropout Voltagerohs Compliant: Yes |Stmicroelectronics LD1117AS12TR RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 1 Container: Reel | 0 |
|
$0.2820 | Buy Now |
DISTI #
497-6445-1-ND
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DigiKey | IC REG LINEAR 1.2V 1A SOT-223 Min Qty: 1 Lead time: 12 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
54005 In Stock |
|
$0.2705 / $0.6800 | Buy Now |
DISTI #
LD1117AS12TR
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Avnet Americas | LDO Regulator Pos 1.2V 1.2A 4-Pin(3+Tab) SOT-223 T/R - Tape and Reel (Alt: LD1117AS12TR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks, 0 Days Container: Reel | 75000 |
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$0.1080 | Buy Now |
DISTI #
LD1117AS12TR
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Avnet Americas | LDO Regulator Pos 1.2V 1.2A 4-Pin(3+Tab) SOT-223 T/R - Tape and Reel (Alt: LD1117AS12TR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 111 Weeks, 0 Days Container: Reel | 0 |
|
$0.1149 / $0.1227 | Buy Now |
DISTI #
511-LD1117AS12TR
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Mouser Electronics | LDO Voltage Regulators LOW DROP FIXED REG RoHS: Compliant | 11726 |
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$0.2700 / $0.6800 | Buy Now |
DISTI #
V36:1790_06552694
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Arrow Electronics | LDO Regulator Pos 1.2V 1.2A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Date Code: 2407 | Americas - 10000 |
|
$0.2640 | Buy Now |
DISTI #
E02:0323_00210449
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Arrow Electronics | LDO Regulator Pos 1.2V 1.2A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Date Code: 2508 | Europe - 7500 |
|
$0.3049 | Buy Now |
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STMicroelectronics | Low drop fixed and adjustable positive voltage regulators RoHS: Compliant Min Qty: 1 | 11679 |
|
$0.3300 / $0.6600 | Buy Now |
|
Future Electronics | LD1117 Series 1 A 1.2 V Fixed Output Positive Voltage LDO Regulator - SOT-223 RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Container: Reel | 12500Reel |
|
$0.2600 / $0.2700 | Buy Now |
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LD1117AS12TR
STMicroelectronics
Buy Now
Datasheet
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LD1117AS12TR
STMicroelectronics
Low drop fixed and adjustable positive voltage regulators
|
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | STMICROELECTRONICS | |
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 | 8542.39.00.01 | |
Factory Lead Time | 12 Weeks | |
Samacsys Manufacturer | STMicroelectronics | |
Adjustability | FIXED | |
Dropout Voltage1-Max | 1.3 V | |
Dropout Voltage1-Nom | 1.15 V | |
Input Voltage Absolute-Max | 10 V | |
Input Voltage-Max | 10 V | |
Input Voltage-Min | 2.75 V | |
JESD-30 Code | R-PDSO-G4 | |
JESD-609 Code | e3 | |
Length | 6.5 mm | |
Line Regulation-Max | 0.006% | |
Load Regulation-Max | 0.01% | |
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 | 1.248 V | |
Output Voltage1-Min | 1.152 V | |
Output Voltage1-Nom | 1.2 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 | FIXED 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 | |
Voltage Tolerance-Max | 6.25% | |
Width | 3.5 mm |
This table gives cross-reference parts and alternative options found for LD1117AS12TR. 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 LD1117AS12TR, 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 |
---|---|---|---|---|
NCP565ST12T3G | onsemi | $0.5961 | LDO Regulator, 1.5 A, High PSRR, with Fast Transient Resoponse Vout: 1.2 V, SOT-223 (TO-261) 4 LEAD, 4000-REEL | LD1117AS12TR vs NCP565ST12T3G |
The maximum input voltage is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
To ensure stability, a minimum output capacitance of 10uF is recommended, and the ESR (Equivalent Series Resistance) should be between 0.3Ω and 10Ω.
The dropout voltage is typically around 1.2V, which means the input voltage should be at least 1.2V higher than the output voltage for proper regulation.
The LD1117AS12TR is rated for operation up to 125°C, but the junction temperature should be kept below 150°C to ensure reliability and prevent thermal shutdown.
Power dissipation can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.