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Part Details for TL3844BDR-8 by Texas Instruments
Results Overview of TL3844BDR-8 by Texas Instruments
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (3 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
Consumer Electronics
Audio and Video Systems
Energy and Power Systems
Renewable Energy
TL3844BDR-8 Information
TL3844BDR-8 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 TL3844BDR-8
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2156-TL3844BDR-8-ND
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DigiKey | IC REG CTRLR BST FLYBK PWM 8SOIC Min Qty: 1 Lead time: 6 Weeks Container: Bulk MARKETPLACE PRODUCT |
2500 In Stock |
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$0.1600 | Buy Now |
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DISTI #
296-31948-1-ND
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DigiKey | IC REG CTRLR BST FLYBK PWM 8SOIC Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) |
882 In Stock |
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$0.1191 / $0.5200 | Buy Now |
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DISTI #
595-TL3844BDR-8
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Mouser Electronics | Switching Controllers Current Mode PWM Con troller A 595-TL3844BD-8 RoHS: Compliant | 1383 |
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$0.1210 / $0.5200 | Buy Now |
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DISTI #
88045382
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Verical | Current Mode PWM Controller 0V to 30V 200mA 500kHz 8-Pin SOIC T/R RoHS: Compliant Min Qty: 2372 Package Multiple: 1 Date Code: 0601 | Americas - 2500 |
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$0.1181 / $0.1581 | Buy Now |
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Rochester Electronics | TL3844B High-Performance Current-Mode PWM Controller RoHS: Compliant Status: Active Min Qty: 1 | 2500 |
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$0.0945 / $0.1524 | Buy Now |
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DISTI #
TL3844BDR-8
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TME | IC: PMIC, PWM controller, SO8, 0÷70°C, 16÷30V, reel,tape, SMPS Min Qty: 1 | 0 |
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$0.2690 / $0.7140 | RFQ |
Part Details for TL3844BDR-8
TL3844BDR-8 CAD Models
TL3844BDR-8 Part Data Attributes
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TL3844BDR-8
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
TL3844BDR-8
Texas Instruments
30V, 0.2A high Performance 500KHz current mode PWM with 16V/10V UVLO, 50% duty cycle, 0C to 70C 8-SOIC 0 to 70
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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-012AA, SOIC-8 | |
| Pin Count | 8 | |
| 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 | 30 V | |
| Input Voltage-Min | 12 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| 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 | SOP8,.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 | 500 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 TL3844BDR-8
This table gives cross-reference parts and alternative options found for TL3844BDR-8. 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 TL3844BDR-8, 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 |
|---|---|---|---|---|
| TL3844BDR | Texas Instruments | $0.2639 | 30V, 0.2A high Performance 500KHz current mode PWM with 16V/10V UVLO, 50% duty cycle, 0C to 70C 14-SOIC 0 to 70 | TL3844BDR-8 vs TL3844BDR |
| TL3844BD-8 | Texas Instruments | $0.5268 | 30V, 0.2A high Performance 500KHz current mode PWM with 16V/10V UVLO, 50% duty cycle, 0C to 70C 8-SOIC 0 to 70 | TL3844BDR-8 vs TL3844BD-8 |
| TL3844BD | Texas Instruments | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14 | TL3844BDR-8 vs TL3844BD |
TL3844BDR-8 Frequently Asked Questions (FAQ)
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Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general guidelines for switching regulator layout, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing loop areas.
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To ensure stability, make sure to follow the recommended component values and layout, and add a compensation network (R3, C3, and R4 in the datasheet) to the feedback loop. Also, ensure that the input and output capacitors meet the recommended specifications.
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Although the datasheet specifies a maximum input voltage of 40V, it's recommended to derate the input voltage to 30V or less to ensure reliable operation and prevent damage to the IC.
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The TL3844BDR-8 is rated for operation up to 125°C, but it's essential to consider the thermal design and ensure that the IC is properly heat-sinked to prevent overheating. Also, be aware that the IC's performance may degrade at high temperatures.
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Use an oscilloscope to monitor the input and output voltages, and check for proper component values and layout. Verify that the feedback loop is properly connected and that the compensation network is correct. Also, check for any signs of overheating or damage to the IC.