Part Details for UC3845BDR2G by onsemi
Results Overview of UC3845BDR2G by onsemi
- Distributor Offerings: (16 listings)
- Number of FFF Equivalents: (4 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
UC3845BDR2G Information
UC3845BDR2G 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 UC3845BDR2G
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
26AM5168
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Newark | Ana Smps Pwm Controller |Onsemi UC3845BDR2G RoHS: Not Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Reel | 5000 |
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$0.3360 | Buy Now |
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DISTI #
50AC7424
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Newark | Pwm Cont, Current Mode, 52Khz, Soic-14, Input Voltage:-, Output Voltage:5V, Output Current:1A, Supply Voltage Min:6.5V, Supply Voltage Max:36V, Controller Ic Case Style:Soic, No. Of Pins:14Pins, Frequency:52Khz, Operating Temperaturerohs Compliant: Yes |Onsemi UC3845BDR2G RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 5 |
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$0.3620 | Buy Now |
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DISTI #
42K2723
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Newark | Ic, smps Controller, current-Mode, bipolar, sop,14Pin, plastic |Onsemi UC3845BDR2G RoHS: Not Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
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$0.3890 / $0.5260 | Buy Now |
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DISTI #
UC3845BDR2GOSCT-ND
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DigiKey | IC REG CTRLR BOOST/FLYBK 14SOIC Min Qty: 1 Lead time: 16 Weeks Container: Digi-Reel®, Tape & Reel (TR), Cut Tape (CT) |
2377 In Stock |
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$0.3821 / $1.6800 | Buy Now |
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DISTI #
UC3845BDR2G
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Avnet Americas | Current Mode PWM Controller 1A 14-Pin SOIC T/R - Tape and Reel (Alt: UC3845BDR2G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 16 Weeks, 0 Days Container: Reel | 5000 |
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$0.2519 / $0.2571 | Buy Now |
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DISTI #
863-UC3845BDR2G
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Mouser Electronics | Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Ma RoHS: Compliant | 3601 |
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$0.3970 / $1.5100 | Buy Now |
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DISTI #
V79:2366_26238658
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Arrow Electronics | Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2149 | Americas - 242 |
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$0.3567 / $0.3689 | Buy Now |
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Onlinecomponents.com | UC384*B Boost Flyback Tape & Reel (TR) e3 DC to DC switching controller 50ns 17mA 8.65mm 5V RoHS: Compliant | 0 |
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$0.3634 / $0.3919 | Buy Now |
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DISTI #
86042395
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Verical | Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N T/R RoHS: Compliant Min Qty: 644 Package Multiple: 1 Date Code: 2201 | Americas - 10000 |
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$0.4013 / $0.5824 | Buy Now |
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DISTI #
70354194
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Verical | Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N T/R RoHS: Compliant Min Qty: 17 Package Multiple: 1 Date Code: 2149 | Americas - 242 |
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$0.3567 | Buy Now |
Part Details for UC3845BDR2G
UC3845BDR2G CAD Models
UC3845BDR2G Part Data Attributes
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UC3845BDR2G
onsemi
Buy Now
Datasheet
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Compare Parts:
UC3845BDR2G
onsemi
High Performance Current Mode PWM Controller, SOIC-14 NB, 2500-REEL
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| 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 | 16 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 | SINGLE | |
| Switching Frequency-Max | 275 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 UC3845BDR2G
This table gives cross-reference parts and alternative options found for UC3845BDR2G. 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 UC3845BDR2G, 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 |
|---|---|---|---|---|
| UC2845BDR2G | onsemi | $0.4560 | High Performance Current Mode PWM Controller, SOIC-14 NB, 2500-REEL | UC3845BDR2G vs UC2845BDR2G |
| UC3845BDG | onsemi | Check for Price | High Performance Current Mode PWM Controller, SOIC-14 NB, 55-TUBE | UC3845BDR2G vs UC3845BDG |
| UC2845BD | onsemi | Check for Price | 1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14 | UC3845BDR2G vs UC2845BD |
| UC2845BDR2 | onsemi | Check for Price | 1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14 | UC3845BDR2G vs UC2845BDR2 |
UC3845BDR2G Frequently Asked Questions (FAQ)
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The maximum operating frequency of the UC3845BDR2G is 500 kHz.
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To ensure stable operation, ensure that the input voltage is within the recommended range, decouple the power supply with a 10uF capacitor, and use a minimum of 1kΩ pull-up resistor on the feedback pin.
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The soft-start pin (SS) is used to slowly ramp up the output voltage during startup, reducing inrush current and preventing voltage overshoot.
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Yes, the UC3845BDR2G can be used in a synchronous rectification topology, but it requires additional external components and careful design to ensure proper operation.
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The minimum duty cycle is typically 0.02, and the maximum duty cycle is typically 0.98. These values can be calculated using the formulas provided in the datasheet.