Part Details for LT1242IS8#PBF by Analog Devices Inc
Results Overview of LT1242IS8#PBF by Analog Devices Inc
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (10 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
Industrial Automation
Energy and Power Systems
Renewable Energy
LT1242IS8#PBF Information
LT1242IS8#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 LT1242IS8#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
02AM2795
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Newark | Pwm Controller, 500Khz, -40 To 125Deg C Rohs Compliant: Yes |Analog Devices LT1242IS8#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 0 |
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$4.7700 / $10.0200 | Buy Now |
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DISTI #
LT1242IS8#PBF-ND
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DigiKey | IC OFFLINE SWITCH BUCK 8SOIC Min Qty: 1 Lead time: 10 Weeks Container: Tube |
100 In Stock |
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$4.1250 / $9.2500 | Buy Now |
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DISTI #
584-LT1242IS8#PBF
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Mouser Electronics | Switching Controllers Hi Speed C Mode Pulse Width Mods RoHS: Compliant | 42 |
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$4.2800 / $7.6900 | Buy Now |
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Analog Devices Inc | Hi Speed C Mode Pulse Width Mo Package Multiple: 100 | 2020 |
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$3.3000 / $9.2500 | Buy Now |
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DISTI #
LT1242IS8PBF
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TME | IC: PMIC, PWM controller, 1A, 500kHz, Ch: 1, SO8, buck, 16÷25V, 0÷96% Min Qty: 1 | 0 |
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$4.5500 / $6.1400 | RFQ |
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DISTI #
LT1242IS8#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 100 | 0 |
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$4.2600 / $4.6700 | Buy Now |
Part Details for LT1242IS8#PBF
LT1242IS8#PBF CAD Models
LT1242IS8#PBF Part Data Attributes
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LT1242IS8#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT1242IS8#PBF
Analog Devices Inc
High Speed Current Mode Pulse Width Modulators
Select a part to compare: |
| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Package Description | 0.150 INCH, PLASTIC, SO-8 | |
| Pin Count | 8 | |
| Manufacturer Package Code | 05-08-1610 (S8) | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 25 V | |
| Input Voltage-Min | 11 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e3 | |
| Length | 4.9 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Output Current-Max | 1 A | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 mm | |
| Surface Mount | YES | |
| Switcher Configuration | SINGLE | |
| Switching Frequency-Max | 500 kHz | |
| Technology | BIPOLAR | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 mm |
Alternate Parts for LT1242IS8#PBF
This table gives cross-reference parts and alternative options found for LT1242IS8#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 LT1242IS8#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 |
|---|---|---|---|---|
| UC3842AD1 | STMicroelectronics | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, SO-8 | LT1242IS8#PBF vs UC3842AD1 |
| UC2842BD1 | STMicroelectronics | Check for Price | Current Mode PWM | LT1242IS8#PBF vs UC2842BD1 |
| UC2842BD1R2 | Motorola Semiconductor Products | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, PLASTIC, SO-8 | LT1242IS8#PBF vs UC2842BD1R2 |
| UC3842BD1R2 | onsemi | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8 | LT1242IS8#PBF vs UC3842BD1R2 |
| UC3842AD1013TR | STMicroelectronics | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, SO-8 | LT1242IS8#PBF vs UC3842AD1013TR |
| LT1242CS8#TRPBF | Analog Devices Inc | Check for Price | High Speed Current Mode Pulse Width Modulators | LT1242IS8#PBF vs LT1242CS8#TRPBF |
| UC2842BD1G | onsemi | $0.3580 | High Performance Current Mode PWM Controller, SOIC-8 Narrow Body, 98-TUBE | LT1242IS8#PBF vs UC2842BD1G |
| UC3842BD1013TR | STMicroelectronics | $0.5104 | Current Mode PWM | LT1242IS8#PBF vs UC3842BD1013TR |
| UC3842BD1 | STMicroelectronics | Check for Price | Current Mode PWM | LT1242IS8#PBF vs UC3842BD1 |
| LT1242CS8#PBF | Analog Devices Inc | $3.8842 | High Speed Current Mode Pulse Width Modulators | LT1242IS8#PBF vs LT1242CS8#PBF |
LT1242IS8#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT1242IS8 involves keeping the input and output traces short and separate, using a solid ground plane, and placing the bypass capacitors close to the device. 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 compensation network, use a minimum output capacitance of 10nF, and avoid capacitive loads. Also, ensure that the device is operated within its recommended operating conditions and that the input and output voltages are within the specified ranges.
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The maximum power dissipation of the LT1242IS8 is dependent on the package and the ambient temperature. For the IS8 package, the maximum power dissipation is 1.4W at 25°C ambient temperature. However, this value can be derated at higher temperatures.
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The LT1242IS8 is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at higher temperatures. It's recommended to derate the power dissipation and ensure proper heat sinking to maintain reliable operation.
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To troubleshoot oscillations or instability issues, check the PCB layout, ensure that the compensation network is correct, and verify that the input and output voltages are within the specified ranges. Also, check for capacitive loads, and ensure that the device is operated within its recommended operating conditions.