Overview
The UCC2804DTRG4 is a low-power, high-speed integrated circuit from Texas Instruments, designed for pulse-width modulation (PWM) control of power supplies and other applications requiring precise voltage regulation. This device is part of the UCC280x family and is particularly suited for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies. It features a compact 8-SOIC package, making it ideal for applications where space is limited. The UCC2804DTRG4 is known for its high accuracy, ease of use, and robustness against noise and voltage fluctuations, making it a reliable choice for various power management tasks.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Topology | Boost, Flyback, Forward | Number of Outputs | 1 Output |
| Switching Frequency | 1 MHz | Duty Cycle - Max | 50 % |
| Output Current | 1 A | Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C | Mounting Style | SMD/SMT |
| Package/Case | SOIC-8 | Brand | Texas Instruments |
| Fall Time | 44 ns | Rise Time | 41 ns |
| Series | UCC2804 | Factory Pack Quantity | 2500 |
| Type | Current Mode PWM Controllers | Unit Weight | 0.002561 oz |
Key Features
- High precision PWM control
- Adjustable frequency PWM controller
- Low supply current (500 μA typical operating supply current)
- Robust against noise and voltage fluctuations
- Small form factor (8-SOIC package)
- Easy to use with minimal external components
- Wide operating temperature range (-40°C to 125°C)
- Internal soft start and internal fault soft start
- 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 supply control for medical devices
- Industrial control systems
- Aerospace applications
- Automotive systems
- DC-DC converters
- Power supplies
Q & A
- What is the UCC2804DTRG4 used for?
The UCC2804DTRG4 is used for pulse-width modulation (PWM) control of power supplies and other applications requiring precise voltage regulation.
- What is the package type of the UCC2804DTRG4?
The UCC2804DTRG4 comes in an 8-SOIC package.
- What is the operating temperature range of the UCC2804DTRG4?
The operating temperature range is from -40°C to 125°C.
- What is the maximum switching frequency of the UCC2804DTRG4?
The maximum switching frequency is 1 MHz.
- What is the maximum output current of the UCC2804DTRG4?
The maximum output current is 1 A.
- Does the UCC2804DTRG4 have internal soft start and fault soft start features?
- What is the typical supply current of the UCC2804DTRG4?
The typical operating supply current is 500 μA.
- Is the UCC2804DTRG4 robust against noise and voltage fluctuations?
- What are some common applications of the UCC2804DTRG4?
- Does the UCC2804DTRG4 have a high precision voltage reference?
