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Part Details for LT1943EFE#PBF by Analog Devices Inc
Results Overview of LT1943EFE#PBF by Analog Devices Inc
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (2 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.
LT1943EFE#PBF Information
LT1943EFE#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 LT1943EFE#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
LT1943EFE#PBF-ND
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DigiKey | IC REG CONV TFT LCD 4OUT 28TSSOP Min Qty: 1 Lead time: 10 Weeks Container: Tube |
90 In Stock |
|
$7.8875 / $15.0400 | Buy Now |
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DISTI #
584-LT1943EFE#PBF
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Mouser Electronics | Switching Voltage Regulators Hi C 4x Out Reg for TFT LCD Panels RoHS: Compliant | 47 |
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$8.1900 / $13.8500 | Buy Now |
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Analog Devices Inc | Hi C 4x Out Reg for TFT LCD Pa Package Multiple: 50 | 168 |
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$6.3100 / $15.0400 | Buy Now |
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DISTI #
77890767
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Verical | Conv DC-DC 4.5V to 22V Non-Inv/Inv/Step Up/Step Down Quad-Out 20.35V/40V 28-Pin TSSOP EP Tube RoHS: Compliant Min Qty: 50 Package Multiple: 50 | Americas - 150 |
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$7.8046 | Buy Now |
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DISTI #
LT1943EFE#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 50 | 0 |
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$8.1500 / $9.4700 | Buy Now |
Part Details for LT1943EFE#PBF
LT1943EFE#PBF CAD Models
LT1943EFE#PBF Part Data Attributes
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LT1943EFE#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT1943EFE#PBF
Analog Devices Inc
High Current Quad Output Regulator for TFT LCD Panels
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Package Description | 4.4 MM, PLASTIC, TSSOP-28 | |
| Pin Count | 28 | |
| Manufacturer Package Code | 05-08-1663 (EB) | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Input Voltage-Max | 22 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PDSO-G28 | |
| JESD-609 Code | e3 | |
| Length | 9.7 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 4 | |
| Number of Terminals | 28 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 4.3 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HTSSOP | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.2 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 1460 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.65 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 4.4 mm |
Alternate Parts for LT1943EFE#PBF
This table gives cross-reference parts and alternative options found for LT1943EFE#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 LT1943EFE#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 |
|---|---|---|---|---|
| LT1943EFE | Analog Devices Inc | Check for Price | Switching Regulator, Current-mode, 4.3A, 1460kHz Switching Freq-Max, PDSO28 | LT1943EFE#PBF vs LT1943EFE |
| LT1943EFE | Linear Technology | Check for Price | LT1943 - High Current Quad Output Regulator for TFT LCD Panels; Package: TSSOP; Pins: 28; Temperature Range: -40°C to 85°C | LT1943EFE#PBF vs LT1943EFE |
LT1943EFE#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT1943EFE involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a dedicated 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, the device should be operated within its recommended operating conditions, and the input voltage should be well-regulated.
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The LT1943EFE can operate in ambient temperatures up to 125°C, but the junction temperature should not exceed 150°C. It's essential to ensure proper thermal management, such as using a heat sink or a thermally conductive PCB, to prevent overheating.
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Yes, the LT1943EFE is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is manufactured using a high-reliability process. However, it's essential to follow the recommended design and testing guidelines to ensure the device meets the specific requirements of your application.
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To troubleshoot issues, start by verifying that the device is properly powered and that the input and output voltages are within the recommended range. Check for any signs of overheating, and ensure that the PCB layout and component values meet the recommended guidelines. Use an oscilloscope to check for any oscillations or noise on the input and output lines. If the issue persists, consult the datasheet and application notes or contact Analog Devices' technical support for further assistance.