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Texas Instruments 14-Pin SOIC 5-Channel Current Mode PWM Controller 500 kHz, 125V UC3843AD
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.58mm |
| Length | 8.65mm |
| Model | UC3843AD |
| Width | 3.91mm |
| Mount Type | Surface |
| Maximum Duty Cycle | 100% |
| Series | UC |
| Output Current | 1A |
| Maximum Operating Temperature | 70°C |
| Package Type | SOIC |
| Minimum Operating Temperature | 0°C |
| Number of outputs | 5 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 500kHz |
| Pin Count | 14 |
| Maximum Supply Voltage | 125V |
| Minimum Supply Voltage | -55V |
| Supply Current | 4mA |
| PWM Controller Type | Current Mode |
Key Features
- Supports 5 output channels for versatile PWM control.
- Operates with low supply current of 4 mA enhancing energy efficiency.
- Designed for surface mount with SOIC package type facilitating compact assembly.
- Wide operating temperature range from 0°C to 70°C for industrial reliability.
- Maximum duty cycle of 100% suitable for full range PWM applications.
- Pin count of 14 pins ensuring compatibility with standard circuits.
- Includes Primary-Side Regulation for improved transient response without optocouplers.
- Maximum output current of 1 A supporting moderate power handling.
Product Description
Texas Instruments UC3843AD is a 14-pin SOIC package, 5-channel current mode PWM controller designed for efficient power management in industrial and electronic applications. Featuring a maximum switching frequency of 500 kHz and maximum supply voltage of 125V, this device operates with a low supply current of 4 mA, making it energy efficient. Its maximum duty cycle of 100% allows for full range control in complex circuits.
This surface mount device supports up to 5 output channels, allowing versatile pulse-width modulation control. The compact SOIC packaging with dimensions of 8.65 mm length, 3.91 mm width, and 1.58 mm height facilitates easy integration into modern circuit boards. Operating reliably across a temperature range from 0°C to 70°C ensures suitability for demanding industrial environments.
Featuring Primary-Side Regulation (PSR), the UC3843AD enhances transient response to large load steps and eliminates the need for optocouplers, simplifying design and improving robustness. The controller delivers a maximum output current of 1 A, supporting moderate power requirements efficiently.
Typical applications include isolated flyback power supplies, industrial electronic control, power management in automation systems, and other PWM control circuits. Supports 5 output channels for versatile PWM control. Operates with low supply current of 4 mA enhancing energy efficiency.
Designed for surface mount with SOIC package type facilitating compact assembly. Wide operating temperature range from 0°C to 70°C for industrial reliability. Maximum duty cycle of 100% suitable for full range PWM applications.
Pin count of 14 pins ensuring compatibility with standard circuits. Includes Primary-Side Regulation for improved transient response without optocouplers. Dimensions: 8.65 mm length, 3.91 mm width, and 1.58 mm height. Maximum output current of 1 A supporting moderate power handling.
Current mode PWM controller ideal for power management in industrial and electronic applications. Explore more semiconductor components and PWM controllers from Texas Instruments and other leading brands on EnvMart.
Explore more products in our DC to DC Controllers category.
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