Overview
The Texas Instruments UCC2813N-2 is an Integrated Circuit (IC) from the Power Management (PMIC) category, designed for use in AC-DC converters and offline switches. This device supports various topologies including boost, flyback, and forward converters, operating at a frequency of 1 MHz. It features internal switching, which makes it suitable for applications requiring high efficiency and reliability. The UCC2813N-2 is available in an 8-DIP package, facilitating through-hole mounting, and operates within a supply voltage range of 8.3V to 12V. Although the product is currently obsolete, it remains a viable option for legacy systems or niche applications where compatibility is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Topology | Boost, Flyback, Forward |
| Switching Frequency | 1 MHz |
| Input Voltage | 11 V |
| Output Voltage | 12.5 V |
| Output Current | 1 A |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Package / Case | PDIP-8 |
| Mounting Style | Through Hole |
| Rise Time | 41 ns |
| Fall Time | 44 ns |
| Duty Cycle - Max | 100% |
Key Features
- Integrated circuit with boost, flyback, and forward converter topologies
- Operating frequency of 1 MHz
- Internal switching for efficient power conversion
- Supports supply voltages from 8.3V to 12V
- Operating temperature range: -55°C to 150°C (TJ)
- Non-isolated converter design
- Internal soft start and internal leading-edge blanking of the current-sense signal
- 1-A totem-pole output
- 70-ns typical response from current-sense to gate-drive output
- 1.5% Tolerance Voltage Reference
Applications
- Power supplies for various systems and applications
- Battery chargers with high efficiency requirements
- Motor drives with precise speed control
- Off-line and DC-to-DC fixed-frequency current-mode switching power supplies
Q & A
- What is the UCC2813N-2 used for? The UCC2813N-2 is used in AC-DC converters and offline switches, supporting boost, flyback, and forward converter topologies.
- What is the operating frequency of the UCC2813N-2? The operating frequency is 1 MHz.
- What package type is the UCC2813N-2 available in? The UCC2813N-2 is available in an 8-DIP package.
- What is the supply voltage range for the UCC2813N-2? The supply voltage range is from 8.3V to 12V.
- What is the maximum operating temperature of the UCC2813N-2? The maximum operating temperature is +85°C.
- Does the UCC2813N-2 have internal switching? Yes, the UCC2813N-2 features internal switching.
- What are some common applications of the UCC2813N-2? Common applications include power supplies, battery chargers, and motor drives.
- Is the UCC2813N-2 still in production? No, the UCC2813N-2 is currently obsolete but can still be used in legacy systems or niche applications.
- What is the duty cycle of the UCC2813N-2? The duty cycle can be up to 100%.
- What is the response time from current-sense to gate-drive output? The typical response time is 70 ns.
