Part Details for LT3991EMSE-5#TRPBF by Analog Devices Inc
Results Overview of LT3991EMSE-5#TRPBF by Analog Devices Inc
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (6 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.
LT3991EMSE-5#TRPBF Information
LT3991EMSE-5#TRPBF 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 LT3991EMSE-5#TRPBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
505-LT3991EMSE-5#TRPBFCT-ND
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DigiKey | IC REG BUCK 5V 1.2A 10MSOP Min Qty: 1 Lead time: 10 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) | Temporarily Out of Stock |
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$4.4250 / $10.2200 | Buy Now |
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DISTI #
584-3991EMSE-5TRPBF
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Mouser Electronics | Switching Voltage Regulators 55V, 1.2A Buck Reg w/ 2.8uA Q C RoHS: Compliant | 0 |
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$4.7400 | Order Now |
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Analog Devices Inc | 55V, 1.2A Buck Reg w/ 2.8µA Q Min Qty: 2500 Package Multiple: 2500 | 0 |
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$3.5400 / $9.7500 | Buy Now |
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DISTI #
LT3991EMSE-5TRP
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Richardson RFPD | DC TO DC CONVERTER RoHS: Compliant Min Qty: 2500 | 0 |
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$4.5700 / $4.7500 | Buy Now |
Part Details for LT3991EMSE-5#TRPBF
LT3991EMSE-5#TRPBF CAD Models
LT3991EMSE-5#TRPBF Part Data Attributes
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LT3991EMSE-5#TRPBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT3991EMSE-5#TRPBF
Analog Devices Inc
55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Package Description | LEAD FREE, PLASTIC, MSOP-10 | |
| Pin Count | 10 | |
| Manufacturer Package Code | 05-08-1664 | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 55 V | |
| Input Voltage-Min | 4.3 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | S-PDSO-G10 | |
| JESD-609 Code | e3 | |
| Length | 3 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 10 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 2.9 A | |
| Output Voltage-Max | 5.11 V | |
| Output Voltage-Min | 4.89 V | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HTSSOP | |
| Package Shape | SQUARE | |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.1 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 2400 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | OTHER | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3 mm |
Alternate Parts for LT3991EMSE-5#TRPBF
This table gives cross-reference parts and alternative options found for LT3991EMSE-5#TRPBF. 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 LT3991EMSE-5#TRPBF, 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 |
|---|---|---|---|---|
| LT3991IMSE-5#PBF | Analog Devices Inc | $5.1894 | 55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current | LT3991EMSE-5#TRPBF vs LT3991IMSE-5#PBF |
| LT3991EMSE-5#PBF | Analog Devices Inc | $5.3051 | 55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current | LT3991EMSE-5#TRPBF vs LT3991EMSE-5#PBF |
| LT3991EMSE-5#TRPBF | Linear Technology | Check for Price | LT3991 - 55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C | LT3991EMSE-5#TRPBF vs LT3991EMSE-5#TRPBF |
| LT3991IMSE-5#PBF | Linear Technology | Check for Price | LT3991 - 55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C | LT3991EMSE-5#TRPBF vs LT3991IMSE-5#PBF |
| LT3991EMSE-5#PBF | Linear Technology | Check for Price | LT3991 - 55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C | LT3991EMSE-5#TRPBF vs LT3991EMSE-5#PBF |
| LT3991IMSE-5#TRPBF | Analog Devices Inc | Check for Price | 55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current | LT3991EMSE-5#TRPBF vs LT3991IMSE-5#TRPBF |
LT3991EMSE-5#TRPBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT3991EMSE-5#TRPBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI. A 4-layer PCB with a dedicated power plane is recommended.
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To ensure stability, use a minimum output capacitance of 10uF with an ESR of 0.1Ω to 10Ω, and a minimum input capacitance of 1uF with an ESR of 0.1Ω to 10Ω. Also, ensure that the output voltage is not loaded with a high-Q capacitor, and that the input voltage is well-filtered.
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The maximum ambient temperature for reliable operation of the LT3991EMSE-5#TRPBF is 125°C, with a maximum junction temperature of 150°C. However, it's recommended to derate the device's performance at high temperatures to ensure reliability.
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Yes, the LT3991EMSE-5#TRPBF is designed to withstand high-vibration environments, but it's essential to ensure that the device is properly soldered and the PCB is securely fastened to prevent mechanical stress. Additionally, consider using a vibration-resistant capacitor for the output capacitor.
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To troubleshoot issues with the LT3991EMSE-5#TRPBF, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors meet the recommended specifications, and check for any signs of overheating or physical damage. Use an oscilloscope to measure the output voltage ripple and noise, and consult the datasheet and application notes for guidance.