Part Details for LT1171IQ#PBF by Analog Devices Inc
Results Overview of LT1171IQ#PBF by Analog Devices Inc
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (2 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.
LT1171IQ#PBF Information
LT1171IQ#PBF by Analog Devices Inc is a Switching Regulator or Controller.
Switching Regulator or Controllers 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 LT1171IQ#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
51AK7872
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Newark | Dc/Dc Conv, Boost, Buck, 100Khz, Output Type:Adjustable, No. Of Outputs:1Outputs, Topology:Boost, Buck, Cuk, Flyback, Forward, Inverting, Input Voltage Min:3V, Input Voltage Max:40V, Max Output Current:2.5A, No. Of Pins:5Pins Rohs Compliant: Yes |Analog Devices LT1171IQ#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 71 |
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$9.0700 / $16.8500 | Buy Now |
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DISTI #
LT1171IQ#PBF-ND
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DigiKey | IC REG BUCK BST ADJ 2.5A DDPAK-5 Min Qty: 1 Lead time: 10 Weeks Container: Tube |
101 In Stock |
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$9.5658 / $15.3200 | Buy Now |
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DISTI #
584-LT1171IQ#PBF
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Mouser Electronics | Switching Voltage Regulators 100kHz, 5A, 2.5A & 1.25A Hi Eff Sw Regs RoHS: Compliant | 50 |
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$8.8100 / $16.3600 | Buy Now |
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Analog Devices Inc | 100kHz, 5A, 2.5A & 1.25A Hi Ef Package Multiple: 50 | 271 |
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$7.0500 / $16.3600 | Buy Now |
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DISTI #
LT1171IQ#PBF
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Richardson RFPD | DC TO DC CONVERTER RoHS: Compliant Min Qty: 50 | 0 |
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$9.1000 / $10.5800 | Buy Now |
US Tariff Estimator: LT1171IQ#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 LT1171IQ#PBF
LT1171IQ#PBF Part Data Attributes
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LT1171IQ#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT1171IQ#PBF
Analog Devices Inc
Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, BIPolar, PSSO5
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | Dd-5 | |
| Pin Count | 5 | |
| Manufacturer Package Code | 05-08-1461 | |
| Reach Compliance Code | Not Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 40 V | |
| Input Voltage-Min | 3 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PSSO-G5 | |
| JESD-609 Code | e3 | |
| Length | 10.2235 Mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 5 | |
| Operating Temperature-Max | 100 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 5.5 A | |
| Output Voltage-Nom | 1.24 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TO-263 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 4.572 Mm | |
| Surface Mount | Yes | |
| Switcher Configuration | Boost | |
| Switching Frequency-Max | 115 Khz | |
| Technology | Bipolar | |
| Terminal Finish | Matte Tin (Sn) - With Nickel (Ni) Barrier | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.7 Mm | |
| Terminal Position | Single | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 8.89 Mm |
Alternate Parts for LT1171IQ#PBF
This table gives cross-reference parts and alternative options found for LT1171IQ#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 LT1171IQ#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 |
|---|---|---|---|---|
| LT1171CQ#TRPBF | Analog Devices Inc | Check for Price | Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, BIPolar, PSSO5 | LT1171IQ#PBF vs LT1171CQ#TRPBF |
| LT1171IQ#TRPBF | Analog Devices Inc | Check for Price | Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, BIPolar, PSSO5 | LT1171IQ#PBF vs LT1171IQ#TRPBF |
LT1171IQ#PBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LT1171IQ is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent damage to the device.
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To ensure stability in the LT1171IQ output, it's essential to use a minimum output capacitance of 10uF, and to keep the output voltage within the recommended range of 2.5V to 12V. Additionally, using a low-ESR capacitor and minimizing the PCB layout's inductance can help improve stability.
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The maximum output current that the LT1171IQ can deliver is 3A, but it's recommended to keep it below 2.5A for optimal performance and to prevent overheating.
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The output voltage of the LT1171IQ can be adjusted by using a resistive divider network between the output pin and the adjust pin. The output voltage can be calculated using the formula: Vout = 2.5V * (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
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The thermal shutdown temperature of the LT1171IQ is typically around 150°C, but it can vary depending on the specific device and operating conditions. It's essential to ensure good thermal design and heat sinking to prevent overheating.