| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LR645N3-G-P013 | Microchip Technology Inc | $0.6611 | FIXED/ADJUSTABLE HIGH INPUT VOLTAGE REGULATOR | LR645N8-G vs LR645N3-G-P013 |
| LR645N3P003 | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V, PBCY3 | LR645N8-G vs LR645N3P003 |
| LR645N3-GP005 | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V | LR645N8-G vs LR645N3-GP005 |
| LR645ND | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V, UUC6 | LR645N8-G vs LR645ND |
| LR645N3-GP014 | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V | LR645N8-G vs LR645N3-GP014 |
| LR645N3-GP013 | Microchip Technology Inc | Check for Price | Fixed Positive Standard Regulator, 10V | LR645N8-G vs LR645N3-GP013 |
| LR645N8 | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V, PSSO3 | LR645N8-G vs LR645N8 |
| LR645N3 | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V, PBCY3 | LR645N8-G vs LR645N3 |
Part Details for LR645N8-G by Microchip Technology Inc
Results Overview of LR645N8-G by Microchip Technology Inc
- Distributor Offerings: (30 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (8 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.
Applications
Healthcare
Renewable Energy
Automotive
LR645N8-G Information
LR645N8-G by Microchip Technology 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 LR645N8-G
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
31Y2384
|
Newark | Lin Volt Reg, Microchip Lr645N8-G, |Microchip Technology LR645N8-G RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 5219 |
|
$0.6210 / $0.8130 | Buy Now |
|
DISTI #
31Y2384RL
|
Newark | Lin Volt Reg, Microchip Lr645N8-G, |Microchip Technology LR645N8-G RoHS: Compliant Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 5219 |
|
$0.6210 / $0.6900 | Buy Now |
|
DISTI #
67X5319
|
Newark | Linear Voltage Regulators, Fixed, |Microchip Technology LR645N8-G RoHS: Compliant Min Qty: 2000 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 0 |
|
$0.6050 / $0.6300 | Buy Now |
|
DISTI #
LR645N8-GDKR-ND
|
DigiKey | IC REG LINEAR 10V 3MA TO243AA Min Qty: 1 Container: Digi-Reel |
3129 Digi-Reel® |
|
$0.7038 / $0.8300 | Buy Now |
|
DISTI #
LR645N8-GTR-ND
|
DigiKey | IC REG LINEAR 10V 3MA TO243AA Min Qty: 2000 Container: Tape & Reel |
3129 Tape & Reel |
|
$0.6300 | Buy Now |
|
DISTI #
LR645N8-GCT-ND
|
DigiKey | IC REG LINEAR 10V 3MA TO243AA Min Qty: 1 Container: Cut Tape |
3129 Cut Tape |
|
$0.7038 / $0.8300 | Buy Now |
|
DISTI #
94441652
|
Verical | LR645N8-G Min Qty: 500 Package Multiple: 500 Date Code: 2629 | Americas - 2000 |
|
$0.7235 / $0.7729 | Buy Now |
|
DISTI #
76884232
|
Verical | LR645N8-G Min Qty: 8 Package Multiple: 1 Date Code: 2352 | Americas - 1557 |
|
$0.7367 / $0.8118 | Buy Now |
|
DISTI #
93811790
|
Verical | LR645N8-G Min Qty: 2 Package Multiple: 1 Date Code: 2352 | Americas - 950 |
|
$0.6680 / $0.7383 | Buy Now |
|
DISTI #
689-LR645N8-G
|
Mouser Electronics | Linear Voltage Regulators Fixed/Adj Hi In V RoHS: Compliant | 10636 |
|
$0.6300 / $0.8300 | Buy Now |
US Tariff Estimator: LR645N8-G by Microchip Technology 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.
LR645N8-G Part Data Attributes
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LR645N8-G
Microchip Technology Inc
Buy Now
Datasheet
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Compare Parts:
LR645N8-G
Microchip Technology Inc
FIXED/ADJUSTABLE HIGH INPUT VOLTAGE REGULATOR
|
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Pin Count | 3 | |
| Manufacturer Package Code | SOT-89-3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Factory Lead Time | 8 Weeks | |
| Adjustability | Fixed | |
| Input Voltage Absolute-Max | 450 V | |
| Input Voltage-Max | 450 V | |
| Input Voltage-Min | 15 V | |
| JESD-30 Code | R-PSSO-F3 | |
| JESD-609 Code | e3 | |
| Length | 4.5 Mm | |
| Line Regulation-Max | 0.2% | |
| Load Regulation-Max | 0.4% | |
| 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 | -40 °C | |
| Output Current1-Max | 0.003 A | |
| Output Voltage1-Max | 11.5 V | |
| Output Voltage1-Min | 9 V | |
| Output Voltage1-Nom | 10 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TO-243 | |
| Package Equivalence Code | TO-243 | |
| 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 Standard Regulator | |
| Screening Level | Ts 16949 | |
| Seated Height-Max | 1.6 Mm | |
| Surface Mount | Yes | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | Flat | |
| Terminal Pitch | 1.5 Mm | |
| Terminal Position | Single | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Voltage Tolerance-Max | 7% | |
| Width | 2.445 Mm |
Alternate Parts for LR645N8-G
This table gives cross-reference parts and alternative options found for LR645N8-G. 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 LR645N8-G, 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.
LR645N8-G Frequently Asked Questions (FAQ)
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A good PCB layout for the LR645N8-G involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces to reduce parasitic inductance. 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 component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, a minimum of 10uF capacitance on the output is recommended to prevent oscillation.
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The LR645N8-G is rated for operation from -40°C to +125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to +85°C for optimal performance.
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Yes, the LR645N8-G is designed to operate in high-vibration environments. However, it's recommended to follow proper PCB mounting and soldering techniques to ensure the device is securely attached to the PCB. Additionally, consider using a vibration-resistant capacitor and a secure mechanical design to prevent damage.
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To troubleshoot issues with the LR645N8-G, start by checking the input voltage, output voltage, and current consumption. Use an oscilloscope to check for oscillations or noise on the output. Verify that the component values and PCB layout meet the recommended specifications. If the issue persists, consult the datasheet and application notes or contact Microchip's technical support.