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Texas Instruments 16-Pin PDIP 2-Channel Current Mode PWM Controller 500 kHz 125 V UC3846N
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 4.57mm |
| Length | 19.3mm |
| Model | UC3846N |
| Width | 6.35mm |
| Mount Type | Through Hole |
| Maximum Duty Cycle | 50% |
| Series | UC |
| Output Current | 500mA |
| Maximum Operating Temperature | 70°C |
| Package Type | PDIP |
| Minimum Operating Temperature | 0°C |
| Number of outputs | 2 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 500kHz |
| Pin Count | 16 |
| Maximum Supply Voltage | 125V |
| Minimum Supply Voltage | -55V |
| Supply Current | 4mA |
| PWM Controller Type | Current Mode |
Key Features
- Operates at a maximum switching frequency of 500 kHz for fast power management.
- Current mode PWM controller designed for precise voltage and current regulation.
- Supports a supply voltage range from -55 V minimum to 125 V maximum.
- Features an output voltage of 5.2 V and output current up to 500 mA.
- Includes two output channels with a pin count of 16 in PDIP through-hole mount.
- Operates reliably over a temperature range from 0°C to 70°C.
- Designed for flyback controller applications with primary-side regulation for improved transient response.
- Ideal for use in industrial power supply and electronic control systems.
Product Description
Texas Instruments UC3846N is a high-performance 2-channel current mode PWM controller housed in a 16-pin PDIP package designed for efficient power management applications. Operating at a maximum switching frequency of 500 kHz, it offers precise output voltage and current regulation with a supply voltage range of -55 V to 125 V, suitable for demanding industrial environments.
The device integrates features such as primary-side regulation, eliminating the need for optocouplers in flyback power supplies, thereby simplifying design and increasing reliability. With output voltage of 5.2 V and output current capability of 500 mA, it is suitable for controlling power transistors and managing efficient energy transfer.
Its through-hole mount package with 16 pins facilitates easy integration into existing PCB layouts. Dimensions of 19.3 mm by 6.35 mm by 4.57 mm make it compact for space-constrained electronic assemblies. Operating temperature range from 0°C to 70°C ensures reliable performance in commercial and industrial applications.
The UC3846N is part of Texas Instruments' UC series PWM controllers widely used in industrial power supply, motor control, and other electronic control applications requiring stable current-mode control and fast transient response.
Operates at a 500 kHz maximum switching frequency for high-speed power control. Current mode PWM controller with two output channels. Supports a wide supply voltage range from -55 V to 125 V. Compact 16-pin PDIP package for through-hole mounting.
Maximum output current of 500 mA and output voltage of 5.2 V. Operating temperature from 0°C to 70°C for industrial reliability. Primary-side regulation for simplified flyback power supply design. Ensures improved transient response to load steps.
This PWM controller is ideal for applications in industrial machines, power supplies, and electronic instrumentation where accurate PWM control and high switching frequency are critical. Its robust design and trusted Texas Instruments manufacturing quality make it a preferred choice for system designers.
Explore more power management solutions and controllers in the Electronics & Electricals category on EnvMart for comprehensive industrial and commercial applications.
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Frequently Asked Questions
The UC3846N operates at a maximum switching frequency of 500 kHz.
It supports a supply voltage range from -55 V to 125 V.
The output voltage is 5.2 V, and it can provide an output current of up to 500 mA.
This model features two output channels.
The dimensions are 19.3 mm in length, 6.35 mm in width, and 4.57 mm in height.
It operates reliably within a temperature range from 0°C to 70°C.
This model is designed for through-hole mounting.
The maximum duty cycle is 50%.
The supply current is 4 mA.
It is a current mode PWM controller.
It is designed for flyback controller applications and is suitable for industrial power supply and electronic control systems.
The country of origin for the UC3846N is India.
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