Overview
The onsemi UC2844BD1R2 is an Integrated Circuits (ICs) Power Management (PMIC) DC-DC Switching Controllers device. It is designed as a Boost and Flyback Regulator with a positive, isolation-capable output. This controller is packaged in an 8-SOIC surface mount package with dimensions of 0.154" (3.90mm width). The UC2844BD1R2 operates within a supply voltage range of 10V to 36V and supports switching frequencies up to 500kHz. It features a maximum duty cycle of 48% and does not include synchronous rectification or clock synchronization. The device is equipped with frequency control capability, making it suitable for various DC-DC conversion applications.
Key Specifications
| Parameter | Value |
|---|---|
| Topology | Boost, Flyback |
| Switching Frequency | Up to 500kHz |
| Duty Cycle (Max) | 48% |
| Output Configuration | Positive, Isolation Capable |
| Output Type | Transistor Driver |
| Number of Outputs | 1 |
| Operating Temperature | -25°C ~ 85°C (TA) |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supply Voltage | 10V ~ 36V |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Frequency Control |
Key Features
- Boost and Flyback Regulator with positive, isolation-capable output
- Step-Up and Step-Up/Step-Down DC-DC Controller
- 8-SOIC package with dimensions of 0.154" (3.90mm width)
- Supply voltage range: 10V to 36V
- Switching frequencies up to 500kHz
- Maximum duty cycle: 48%
- No synchronous rectification or clock synchronization
- Frequency control capability
Applications
- DC-DC power supplies for industrial and automotive applications
- Power conversion in data centers and communication equipment
- Power management in consumer electronics
- Isolated power supplies for medical devices
Q & A
- What is the UC2844BD1R2 used for?
The UC2844BD1R2 is used as a DC-DC Switching Controller for Boost and Flyback regulator applications.
- What is the package type of the UC2844BD1R2?
The UC2844BD1R2 is packaged in an 8-SOIC surface mount package.
- What is the operating temperature range of the UC2844BD1R2?
The operating temperature range is -25°C to 85°C (TA).
- What are the supported switching frequencies of the UC2844BD1R2?
The device supports switching frequencies up to 500kHz.
- Does the UC2844BD1R2 feature synchronous rectification?
No, the UC2844BD1R2 does not feature synchronous rectification.
- What is the maximum duty cycle of the UC2844BD1R2?
The maximum duty cycle is 48%.
- What are some common applications of the UC2844BD1R2?
Common applications include DC-DC power supplies for industrial and automotive applications, power conversion in data centers and communication equipment, power management in consumer electronics, and isolated power supplies for medical devices.
- What is the supply voltage range of the UC2844BD1R2?
The supply voltage range is 10V to 36V.
- Does the UC2844BD1R2 support clock synchronization?
No, the UC2844BD1R2 does not support clock synchronization.
- What type of output does the UC2844BD1R2 have?
The output type is a transistor driver with a positive, isolation-capable configuration.
- What control features does the UC2844BD1R2 offer?
The device offers frequency control capability.
