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Part Details for UC2845D by Texas Instruments
Results Overview of UC2845D by Texas Instruments
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (2 replacements)
- CAD Models: (Available)
- 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
UC2845D Information
UC2845D by Texas Instruments 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 UC2845D
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
296-27146-5-ND
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DigiKey | IC REG CTRLR MULT TOP 14SOIC Min Qty: 1 Lead time: 6 Weeks Container: Tube |
21 In Stock |
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$0.7511 / $1.5500 | Buy Now |
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DISTI #
595-UC2845D
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Mouser Electronics | Switching Controllers Current Mode PWM RoHS: Compliant | 1018 |
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$0.7170 / $1.5500 | Buy Now |
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DISTI #
86047959
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Verical | Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC Tube RoHS: Compliant Min Qty: 322 Package Multiple: 1 Date Code: 1101 | Americas - 17057 |
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$1.1671 | Buy Now |
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DISTI #
86052025
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Verical | Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC Tube RoHS: Compliant Min Qty: 322 Package Multiple: 1 Date Code: 1001 | Americas - 7250 |
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$1.1671 | Buy Now |
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Quest Components | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 | 80 |
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$1.1623 / $2.3245 | Buy Now |
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Rochester Electronics | UC2845 - Current-Mode PWM Controller RoHS: Compliant Status: Active Min Qty: 1 | 24645 |
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$0.5789 / $0.9337 | Buy Now |
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DISTI #
UC2845D
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TME | IC: PMIC, PWM controller, 1A, 47÷500kHz, Ch: 1, SO14, 8.4÷28V, 0÷48% Min Qty: 1 | 38 |
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$0.8500 / $1.4900 | Buy Now |
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ComSIT USA | Electronic Component RoHS: Not Compliant |
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RFQ | |
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Win Source Electronics | IC REG CTRLR MULT TOP 14SOIC / HIGH PERFORMANCE CURRENT MODE CONTROLLERS | 400 |
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$0.2115 / $0.3172 | Buy Now |
Part Details for UC2845D
UC2845D CAD Models
UC2845D Part Data Attributes
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UC2845D
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
UC2845D
Texas Instruments
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, -40C to 85C 14-SOIC -40 to 85
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Package Description | GREEN, PLASTIC, MS-012AB, SOIC-14 | |
| Pin Count | 14 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 28 V | |
| Input Voltage-Min | 7.6 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e4 | |
| Length | 8.65 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 1 A | |
| Output Voltage-Max | 80 V | |
| Output Voltage-Nom | 2.5 V | |
| 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 | |
| Supply Current-Max (Isup) | 25 mA | |
| Supply Voltage-Max (Vsup) | 28 V | |
| Supply Voltage-Min (Vsup) | 8.4 V | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK-BOOST | |
| Switching Frequency-Max | 500 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| 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 UC2845D
This table gives cross-reference parts and alternative options found for UC2845D. 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 UC2845D, 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 |
|---|---|---|---|---|
| CS-3845D14 | Cherry Semiconductor Corporation | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, | UC2845D vs CS-3845D14 |
| UC2845DR | Texas Instruments | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14 | UC2845D vs UC2845DR |
UC2845D Frequently Asked Questions (FAQ)
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The recommended input capacitor value is 1uF to 10uF, depending on the input voltage and output current requirements. A larger capacitor value can help reduce input voltage ripple and improve stability.
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The inductor value depends on the output voltage, output current, and switching frequency. A general rule of thumb is to choose an inductor value that results in a peak-to-peak ripple current of 20-30% of the output current. TI provides an inductor selection guide in the datasheet.
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The UC2845D can deliver up to 2A of output current, but this depends on the input voltage, output voltage, and thermal considerations. Be sure to check the thermal derating curves in the datasheet to ensure reliable operation.
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The UC2845D has a SYNC pin that allows synchronization with an external clock signal. Connect the external clock signal to the SYNC pin, and ensure the clock frequency is within the recommended range of 100 kHz to 500 kHz.
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The EN pin is an active-high enable input that allows the user to turn the converter on or off. When EN is high, the converter is enabled, and when EN is low, the converter is disabled. This pin can be used to implement power sequencing or to turn off the converter during shutdown.