TL3843DRG4-8 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TL3843DRG4-8 is a current-mode PWM controller from Texas Instruments, featuring 500kHz switching frequency, 0.2A gate drive, and 30V max input. Designed for boost, flyback, and forward converter topologies. From $0.24 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TL3843DRG4-8 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2411(MOQ 1000)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL3843DRG4-8?
- Current-Mode PWM Control: Provides cycle-by-cycle current limiting for improved stability and transient response
- 500kHz Switching Frequency: Enables compact magnetics design and higher power density in end applications
- Wide Input Voltage Range: Operates from 12V to 30V input, suitable for industrial and telecom power supply designs
- 8-Pin SOIC Package: Space-efficient surface-mount package simplifies PCB layout in space-constrained designs
- Integrated Undervoltage Lockout: Ensures reliable startup and protects the controller under low supply conditions
What is TL3843DRG4-8 used for?
The TL3843DRG4-8 is widely used in offline flyback power supplies, boost converters, and forward converter designs for industrial equipment, telecom infrastructure, and embedded systems. Its current-mode control architecture makes it ideal for battery chargers, auxiliary power supplies, and motor drive bias rails where tight regulation and fast transient response are critical.
What are the specifications of TL3843DRG4-8?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 12V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 30V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 25mA |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 500kHz |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TL3843DRG4-8 datasheet?
TL3843DRG4-8 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL3843DRG4-8?
Compatible alternatives and drop-in replacements for TL3843DRG4-8:
Switching Regulator, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Switching Regulator, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Frequently Asked Questions
What is the switching frequency of the TL3843DRG4-8?
The TL3843DRG4-8 operates at a maximum switching frequency of 500kHz. This high frequency allows designers to use smaller inductors and capacitors, reducing overall solution size and cost in power supply designs.
What converter topologies are supported by the TL3843DRG4-8?
The TL3843DRG4-8 supports boost, flyback, and forward converter topologies. Its current-mode PWM control technique makes it versatile for a wide range of isolated and non-isolated DC-DC power supply applications.
What is the input voltage range for the TL3843DRG4-8?
The TL3843DRG4-8 operates with an input voltage range of 12V minimum to 30V maximum, with a nominal operating voltage of 15V. This range suits industrial power supplies, telecom equipment, and embedded system power rails.
What package does the TL3843DRG4-8 come in?
The TL3843DRG4-8 is available in an 8-pin SOIC (Small Outline IC) surface-mount package. This compact package simplifies PCB layout and is well-suited for automated assembly in high-volume production environments.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $0.3228 | $322.80 |
| 10000+ | $0.2878 | $2878.00 |
| 100000+ | $0.2411 | $24110.00 |
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