Overview
The TL3842P, manufactured by Texas Instruments, is a high-performance, low-cost switch-mode power supply controller. This integrated circuit (IC) is designed for applications requiring efficient power conversion and regulation. It features a fixed-frequency PWM control scheme, making it suitable for various power supply designs. The TL3842P is targeted at engineers and designers in the electronics industry, particularly those involved in industrial, automotive, and consumer electronics applications. Its unique selling points include its robust performance, wide input voltage range, and integrated protection features.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3V to 40V | V | |
| Output Voltage Range | 2.5V to 36V | V | |
| Output Current | 200mA | A | Maximum |
| Switching Frequency | 500kHz | Hz | Maximum |
| Duty Cycle | 97% | % | Maximum |
| Operating Temperature | 0°C to 70°C | °C | |
| Package | PDIP-8 | 10.16 x 6.60mm | |
| Certification | RoHS | Compliant |
Key Features
- Fixed-frequency PWM control for stable output voltage.
- Integrated error amplifier and comparator for precise voltage feedback control.
- Delayed start-up function to protect power switches and loads.
- Built-in overload and short-circuit protection.
- Adjustable switching frequency to suit various applications.
Applications
The TL3842P is widely used in switch-mode power supplies (SMPS) for industrial, automotive, and consumer electronics. Its ability to provide stable and efficient power conversion makes it ideal for applications such as AC-DC converters, DC-DC converters, and battery chargers. In industrial settings, it is used in power supplies for automation equipment, while in automotive applications, it is employed in vehicle power systems. Consumer electronics, including televisions and home appliances, also benefit from its reliable performance.
Q & A
What is the input voltage range of the TL3842P?
The input voltage range of the TL3842P is 3V to 40V.
What is the maximum output current of the TL3842P?
The maximum output current of the TL3842P is 200mA.
What is the switching frequency of the TL3842P?
The switching frequency of the TL3842P is up to 500kHz.
What type of package does the TL3842P come in?
The TL3842P is available in a PDIP-8 package.
Does the TL3842P support overload protection?
Yes, the TL3842P includes built-in overload and short-circuit protection.
What is the operating temperature range of the TL3842P?
The operating temperature range of the TL3842P is 0°C to 70°C.
Is the TL3842P RoHS compliant?
Yes, the TL3842P is RoHS compliant.
What is the maximum duty cycle of the TL3842P?
The maximum duty cycle of the TL3842P is 97%.
Can the TL3842P be used in automotive applications?
Yes, the TL3842P is suitable for automotive power systems.
What is the output voltage range of the TL3842P?
The output voltage range of the TL3842P is 2.5V to 36V.
