UC2843AQD8R
Current Mode PWM Controller 1A 500kHz 8-Pin SOIC T/R Automotive AEC-Q100
Inventory:6,345
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Part Number : UC2843AQD8R
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Package/Case : SOIC (D)-8
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Brands : Texas Instruments
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Components Categories : Power Supply Controllers, Monitors
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Datesheet : UC2843AQD8R DataSheet (PDF)
Overview of UC2843AQD8R
With the UC2843AQD8R, users can benefit from a control IC that offers improved features and compatibility with the UC2842/3/4/5 family. This versatile IC is designed to control current mode switched mode power supplies, providing essential functionalities for efficient power supply operation. The UC2843AQD8R boasts a start-up current of less than 0.5 mA and precise oscillator discharge trimming to 8.3 mA, ensuring reliable and stable performance in demanding applications. Additionally, the output stage can sink at least 10 mA at less than 1.2 V during under voltage lockout, making the UC2843AQD8R a valuable choice for power supply designs that require precision and efficiency
Key Features
- Extended Temperature Performance of –40°C to 125°C
- Optimized for Off-line and DC to DC Converters
- Low Start Up Current (<0.5 mA)
- Trimmed Oscillator Discharge Current
- Automatic Feed Forward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Under-Voltage Lockout With Hysteresis
- Double Pulse Suppression
- High Current Totem Pole Output
- Internally Trimmed Bandgap Reference
- 500 kHz Operation
- Low RO Error Amp
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Topology | Boost, Flyback, Forward | Control mode | Current |
Duty cycle (max) (%) | 100 | Switching frequency (max) (kHz) | 500 |
Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology | UVLO thresholds on/off (V) | 8.5/7.9 |
Operating temperature range (°C) | -40 to 125 | Rating | Automotive |
Gate drive (typ) (A) | 1 | Vin (max) (V) | 28 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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