Part Details for UC3842BDG by onsemi
Results Overview of UC3842BDG by onsemi
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (2 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
Consumer Electronics
Energy and Power Systems
Renewable Energy
UC3842BDG Information
UC3842BDG by onsemi 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 UC3842BDG
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
42K2714
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Newark | Pwm Controller, Current Mode, 12 25V, Soic-14, Power Supply Controller Type:Single Ended Controller, No. Of Channels:1Channels, Control Mode:Current Mode Control, Supply Voltage Min:12V, Supply Voltage Max:25V, Ic Case/Package:Soicrohs Compliant: Yes |Onsemi UC3842BDG RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 725 |
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$0.0920 | Buy Now |
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DISTI #
UC3842BDGOS-ND
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DigiKey | IC REG CTRLR PWM CM 14-SOIC Min Qty: 1 Lead time: 53 Weeks Container: Tube |
738 In Stock |
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$0.3804 / $1.2800 | Buy Now |
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Rochester Electronics | UC3842B - Current-Mode PWM Controller RoHS: Compliant Status: Obsolete Min Qty: 1 | 8313 |
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$0.2264 / $0.3652 | Buy Now |
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ComSIT USA | HIGH PERFORMANCE CURRENT MODE CONTROLLER Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14 ECCN: EAR99 RoHS: Compliant |
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RFQ | |
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Vyrian | Other Function Semiconductors | 3207 |
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RFQ |
Part Details for UC3842BDG
UC3842BDG CAD Models
UC3842BDG Part Data Attributes
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UC3842BDG
onsemi
Buy Now
Datasheet
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Compare Parts:
UC3842BDG
onsemi
High Performance Current Mode PWM Controller, SOIC-14 NB, 55-TUBE
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ONSEMI | |
| Part Package Code | SOIC-14 NB | |
| Pin Count | 14 | |
| Manufacturer Package Code | 751A-03 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 4 Weeks | |
| Samacsys Manufacturer | onsemi | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 25 V | |
| Input Voltage-Min | 12 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e3 | |
| Length | 8.65 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 1 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| 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 | BUCK-BOOST | |
| Switching Frequency-Max | 500 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | MATTE TIN | |
| 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 UC3842BDG
This table gives cross-reference parts and alternative options found for UC3842BDG. 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 UC3842BDG, 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 |
|---|---|---|---|---|
| UC3842BD | onsemi | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, SOIC-14 | UC3842BDG vs UC3842BD |
| UC3842BDR2 | onsemi | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, SOIC-14 | UC3842BDG vs UC3842BDR2 |
UC3842BDG Frequently Asked Questions (FAQ)
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The UC3842BDG can operate up to 500 kHz, but the recommended operating frequency is up to 400 kHz for optimal performance.
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To ensure stability, it's essential to follow the recommended layout and component selection guidelines, including the use of a compensation network and a suitable output filter.
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The soft-start pin (SS) allows for a controlled startup of the converter, reducing inrush currents and preventing output voltage overshoots.
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Yes, the UC3842BDG can be used in synchronous rectification topologies, but it requires additional external circuitry to control the synchronous rectifier.
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The minimum and maximum duty cycle limits can be calculated using the formulas provided in the datasheet, taking into account the input voltage, output voltage, and switching frequency.