UCC3813N-3G4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The UCC3813N-3G4 is a current-mode PWM controller IC from Texas Instruments. It supports input voltages from 4V to 12V, switching up to 1000 kHz with 1A peak output drive in an 8-pin PDIP package. From $0.85 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC3813N-3G4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with up to 1000 kHz switching frequency for compact, high-efficiency power supplies
- Wide input voltage range of 4V to 12V enabling flexible power supply design across various applications
- 1A peak gate drive output for direct MOSFET driving without external gate driver in many designs
- 8-pin PDIP package for easy through-hole assembly and fast prototyping of power conversion circuits
Applications
The UCC3813N-3G4 is ideal for designing switch-mode power supplies including flyback, forward, and boost converters used in industrial power systems, telecom equipment, and consumer electronics. Its current-mode PWM control provides inherent cycle-by-cycle current limiting and simplified loop compensation for robust power regulation. The device is also used in battery chargers and distributed power architectures requiring compact and efficient DC-DC conversion.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 4.06V |
| Output Voltage-Min | 3.94V |
| Output Voltage-Nom | 4V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 30mA |
| Supply Voltage-Nom (Vsup) | 10V |
| Surface Mount | NO |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 36kHz |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What switching frequency does the UCC3813N-3G4 support?
The UCC3813N-3G4 supports switching frequencies up to 1000 kHz, allowing designers to use smaller magnetic components and capacitors, reducing the overall size and cost of power supply designs significantly.
What is the input voltage range for the UCC3813N-3G4?
The UCC3813N-3G4 operates with an input voltage range of 4V to 12V, with a nominal operating voltage of 10V, making it suitable for low-voltage power supply designs in industrial and consumer applications.
What package does the UCC3813N-3G4 come in?
The UCC3813N-3G4 is available in an 8-pin PDIP (Plastic Dual In-Line Package) package, which facilitates easy through-hole PCB assembly and is well-suited for prototyping and production of power control circuits.
What is the peak output current capability of the UCC3813N-3G4?
The UCC3813N-3G4 provides a peak output drive current of 1A, sufficient to directly drive power MOSFETs in many low to medium power switch-mode power supply topologies without additional gate driver ICs.
Can the UCC3813N-3G4 be used in flyback converter designs?
Yes, the UCC3813N-3G4 with its current-mode PWM control is well suited for flyback converter designs, providing cycle-by-cycle current limiting, built-in slope compensation, and straightforward feedback loop design for stable power delivery.
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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.
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