Overview
The UC2844AD/81433 is a versatile DC-DC switching controller produced by Texas Instruments. This component is designed for use in a variety of power management applications, offering flexibility in topology and operation. It is part of the UC2844 series, known for its reliability and performance in automotive and industrial environments.
The UC2844AD/81433 is particularly suited for systems requiring step-up, step-down, or step-up/step-down voltage conversion. Its robust design and wide operating temperature range make it an ideal choice for demanding applications.
Key Specifications
| Category | DC-DC Switching Controllers |
|---|---|
| Manufacturer | Texas Instruments |
| Product Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Topology | Boost, Buck, Flyback, Forward |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Output Configuration | Positive, Isolation Capable |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V |
| Frequency - Switching | Up to 500kHz |
| Duty Cycle (Max) | 48% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
Key Features
- Flexible Topology: Supports Boost, Buck, Flyback, and Forward topologies, making it versatile for various power conversion needs.
- Wide Operating Temperature Range: Operates from -40°C to 85°C, suitable for harsh environmental conditions.
- High Switching Frequency: Up to 500kHz, allowing for efficient and compact power supply designs.
- Frequency Control: Features frequency control for precise regulation of the switching frequency.
- Surface Mount Package: 14-SOIC package for easy integration into surface mount PCBs.
- Positive and Isolation Capable Output Configuration: Supports positive output and isolation capable configurations, enhancing design flexibility.
Applications
- Automotive Systems: Ideal for use in automotive power systems due to its robust design and wide operating temperature range.
- Industrial Power Supplies: Suitable for industrial power supplies requiring high reliability and flexibility in voltage conversion.
- Telecommunications: Can be used in telecommunications equipment for efficient power management.
- Consumer Electronics: Applicable in various consumer electronic devices requiring compact and efficient power conversion solutions.
Q & A
- What is the part number of this DC-DC switching controller?
The part number is UC2844AD/81433.
- Who is the manufacturer of the UC2844AD/81433?
The manufacturer is Texas Instruments.
- What are the supported topologies of the UC2844AD/81433?
The supported topologies include Boost, Buck, Flyback, and Forward.
- What is the maximum switching frequency of the UC2844AD/81433?
The maximum switching frequency is up to 500kHz.
- Does the UC2844AD/81433 support synchronous rectification?
No, it does not support synchronous rectification.
- What is the operating temperature range of the UC2844AD/81433?
The operating temperature range is -40°C to 85°C.
- What is the package type of the UC2844AD/81433?
The package type is 14-SOIC (0.154", 3.90mm Width).
- Is the UC2844AD/81433 RoHS compliant?
No, it is not RoHS compliant.
- What is the maximum duty cycle of the UC2844AD/81433?
The maximum duty cycle is 48%.
- Does the UC2844AD/81433 support clock synchronization?
No, it does not support clock synchronization.
