Part Details for LT3971IMSE#PBF by Analog Devices Inc
Results Overview of LT3971IMSE#PBF by Analog Devices Inc
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (5 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 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.
Applications
Energy and Power Systems
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LT3971IMSE#PBF Information
LT3971IMSE#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 LT3971IMSE#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
51AK8841
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Newark | Dc/Dc Conv, Buck, 2Mhz, 125Deg C, No. Of Outputs:1Outputs, Topology:Buck (Step Down), Input Voltage Min:4.3V, Input Voltage Max:38V, Max Output Current:1.2A, Ic Case/Package:Msop-Ep, No. Of Pins:10Pins, Ic Mounting:Surface Mount Rohs Compliant: Yes |Analog Devices LT3971IMSE#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 160 |
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$4.5900 / $10.0100 | Buy Now |
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DISTI #
LT3971IMSE#PBF-ND
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DigiKey | IC REG BUCK ADJ 1.2A 10MSOP Min Qty: 1 Lead time: 10 Weeks Container: Tube |
244 In Stock |
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$4.5875 / $10.0100 | Buy Now |
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DISTI #
584-LT3971IMSE#PBF
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Mouser Electronics | Switching Voltage Regulators 38V, 1.2A, 2MHz Buck Reg w/ 2.8uA Q C RoHS: Compliant | 91 |
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$4.8000 / $8.4700 | Buy Now |
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Analog Devices Inc | 38V, 1.2A, 2MHz Buck Reg w/ 2. Package Multiple: 50 | 299 |
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$3.6700 / $10.0100 | Buy Now |
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DISTI #
35211235
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Verical | Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube RoHS: Compliant Min Qty: 100 Package Multiple: 100 | Americas - 200 |
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$4.6164 | Buy Now |
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DISTI #
LT3971IMSE#PBF
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Richardson RFPD | DC TO DC CONVERTER RoHS: Compliant Min Qty: 100 | 0 |
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$4.7400 / $5.2000 | Buy Now |
Part Details for LT3971IMSE#PBF
LT3971IMSE#PBF CAD Models
LT3971IMSE#PBF Part Data Attributes
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LT3971IMSE#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT3971IMSE#PBF
Analog Devices Inc
38V, 1.2A, 2MHz 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 | |
| Pin Count | 10 | |
| Manufacturer Package Code | 05-08-1664 | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Additional Feature | OPERATES IN ADJUSTABLE MODE FROM 1.19 V TO 30 V | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 38 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 | -40 °C | |
| Output Current-Max | 3 A | |
| 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 | AUTOMOTIVE | |
| 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 LT3971IMSE#PBF
This table gives cross-reference parts and alternative options found for LT3971IMSE#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 LT3971IMSE#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 |
|---|---|---|---|---|
| LT3971EMSE#PBF | Analog Devices Inc | $4.6372 | 38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current | LT3971IMSE#PBF vs LT3971EMSE#PBF |
| LT3971EMSE#PBF | Linear Technology | Check for Price | LT3971 - 38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C | LT3971IMSE#PBF vs LT3971EMSE#PBF |
| LT3971EMSE#TRPBF | Analog Devices Inc | Check for Price | 38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current | LT3971IMSE#PBF vs LT3971EMSE#TRPBF |
| LT3971IMSE#PBF | Linear Technology | Check for Price | LT3971 - 38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C | LT3971IMSE#PBF vs LT3971IMSE#PBF |
| LT3971IMSE#TRPBF | Linear Technology | Check for Price | LT3971 - 38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C | LT3971IMSE#PBF vs LT3971IMSE#TRPBF |
LT3971IMSE#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT3971 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog ground plane and to keep the power traces away from the analog signals.
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The choice of input and output capacitors for the LT3971 depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. A good starting point is to use capacitors with a capacitance value of 10uF to 22uF and a voltage rating of 1.5 to 2 times the input voltage.
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The LT3971 has an operating temperature range of -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design of the system. In general, it's recommended to keep the ambient temperature below 85°C to ensure reliable operation.
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The power dissipation of the LT3971 can be calculated using the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current. The quiescent current can be found in the datasheet.
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The recommended input voltage range for the LT3971 is 3.5V to 36V, but the device can operate with input voltages as low as 2.5V and as high as 40V. However, the output voltage and current may be affected at these extreme input voltage ranges.