Part Details for TL3845BDR by Texas Instruments
Results Overview of TL3845BDR by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (2 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- 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.
TL3845BDR Information
TL3845BDR 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 TL3845BDR
| Part # | Distributor | Description | Stock | Price | Buy | |
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Rochester Electronics | Switching Controller, Current-mode, 1A, 300kHz Switching Freq-Max, BIPolar, PDSO14 RoHS: Compliant Status: Obsolete Min Qty: 1 | 105000 |
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$0.2421 / $0.3905 | Buy Now |
US Tariff Estimator: TL3845BDR by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for TL3845BDR
TL3845BDR CAD Models
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TL3845BDR Part Data Attributes
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TL3845BDR
Texas Instruments
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Datasheet
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TL3845BDR
Texas Instruments
30-V, 0.2A high Performance 500KHz current mode PWM with 8.4V/7.6V UVLO, 50% duty cycle, 0C to 70C 14-SOIC 0 to 70
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Sop, Sop14,.25 | |
| Pin Count | 14 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 12 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 Terminals | 14 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 1 A | |
| Output Voltage-Max | 5.1 V | |
| Output Voltage-Min | 4.9 V | |
| Output Voltage-Nom | 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) | 30 Ma | |
| Supply Voltage-Max (Vsup) | 30 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | Yes | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 300 Khz | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| 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 TL3845BDR
This table gives cross-reference parts and alternative options found for TL3845BDR. 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 TL3845BDR, 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 |
|---|---|---|---|---|
| TL3845BD | Texas Instruments | $0.5268 | 30-V, 0.2A high Performance 500KHz current mode PWM with 8.4V/7.6V UVLO, 50% duty cycle, 0C to 70C 14-SOIC 0 to 70 | TL3845BDR vs TL3845BD |
| TL3845BDRG4-8 | Texas Instruments | Check for Price | High-Performance Current-Mode PWM Controller 8-SOIC 0 to 70 | TL3845BDR vs TL3845BDRG4-8 |
TL3845BDR Frequently Asked Questions (FAQ)
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A good PCB layout for TL3845BDR involves keeping the input and output capacitors close to the IC, using a ground plane, and minimizing the length of the feedback loop. TI provides a recommended layout in their application notes and evaluation modules.
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To ensure stability, make sure to follow the recommended component values and PCB layout. Also, ensure that the output capacitor has a low ESR, and the feedback loop is properly compensated. You can also use TI's WEBENCH tool to simulate and optimize your design.
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The TL3845BDR can operate up to a maximum ambient temperature of 125°C. However, the junction temperature should not exceed 150°C. It's essential to ensure proper thermal management and heat sinking to prevent overheating.
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Yes, the TL3845BDR is qualified for automotive and high-reliability applications. It meets the requirements of AEC-Q100 and is manufactured using automotive-grade processes. However, it's essential to follow TI's guidelines for design, testing, and validation.
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To troubleshoot issues, start by checking the input and output voltages, and the feedback loop. Use an oscilloscope to monitor the waveforms and identify any anomalies. Also, ensure that the component values and PCB layout match the recommended design. TI's application notes and support resources can also provide guidance.