Overview
The TL2844DR, manufactured by Texas Instruments, is a current-mode PWM controller designed for DC/DC conversion applications. This component is part of the TL28/TL38 series and is widely used in power management systems. It features a constant voltage (CV) and constant current (CC) output regulation, making it suitable for applications requiring high transient response to load changes. The TL2844DR is housed in a SOIC-14 package and is ideal for industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Category | DC/DC Converter | - | - |
| Package | SOIC-14 | - | - |
| Frequency | 500 | kHz | - |
| Input Voltage (DC) | 5.50 | V | - |
| Output Voltage | 0 ~ 30 | V | - |
| Output Current | 200 | mA | Max |
| Supply Current | 25 | mA | - |
| Static Current | 11.0 | mA | - |
| Rise Time | 50 | ns | - |
| Fall Time | 50 | ns | - |
| Operating Temperature | -40 ~ 85 | °C | - |
| Topology | Boost, Flyback, Forward | - | - |
| Duty Cycle | 50 | % | Max |
Key Features
- Current-mode PWM control for precise regulation.
- Constant voltage and constant current output regulation.
- High transient response to load changes.
- Wide input voltage range (5.5V to 30V).
- Robust SOIC-14 package for reliable performance.
Applications
The TL2844DR is commonly used in various power management applications, including:
- Industrial Automation: Provides stable power supply for control systems and sensors.
- Automotive Electronics: Ensures efficient power conversion in vehicle electronics.
- Consumer Electronics: Ideal for powering devices such as laptops, smartphones, and other portable electronics.
Q & A
1. What is the operating temperature range of the TL2844DR?
The TL2844DR operates within a temperature range of -40°C to 85°C.
2. What is the maximum output current of the TL2844DR?
The maximum output current is 200 mA.
3. What is the switching frequency of the TL2844DR?
The switching frequency is 500 kHz.
4. What package does the TL2844DR come in?
The TL2844DR is available in a SOIC-14 package.
5. What is the input voltage range for the TL2844DR?
The input voltage range is 5.5V to 30V.
6. Can the TL2844DR be used in automotive applications?
Yes, the TL2844DR is suitable for automotive electronics due to its robust design and wide operating temperature range.
7. What is the duty cycle of the TL2844DR?
The maximum duty cycle is 50%.
8. Is the TL2844DR suitable for portable electronics?
Yes, its compact size and efficient power conversion make it ideal for portable electronics.
9. What is the rise time of the TL2844DR?
The rise time is 50 ns.
10. Does the TL2844DR support constant current output?
Yes, it supports both constant voltage and constant current output regulation.
