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CS3845B. DEVICE NOT RECOMMENDED FOR NEW DESIGNARCHIVE. Electrical Characteristics: 0≤TA≤70°C, VCC=15V; RT=10kΩ , CT=3.3nF for sawtooth mode, unless otherwise stated. PARAMETER. TEST CONDITIONS. MIN. TYP. MAX. UNITS. Reference Section. Discharge TJ = 25°C; (Note 1) 7.5 8.3 9.3 mA. TMIN ≤ TA ≤. TMAX (Note 1) 7.2 9.5 mA.
The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components.
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Description. The CS3845B provides all the necessary features to implement off-line fixed frequency current-mode control with a minimum number of external components. Features. Optimized for Off-line Use. Temperature Compensated Oscillator. 50% Maximum Duty-cycle Clamp. Low Start-up Current (500µA max) Pulse-by-pulse Current Limiting.
- CS3845B Download
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- CS3845B
Description. The CS3845B provides all the necessary features to implement off-line fixed frequency current-mode control with a minimum number of external components. Features. Optimized for Off-line Use. Temperature Compensated Oscillator. 50% Maximum Duty-cycle Clamp. Low Start-up Current (500µA max) Pulse-by-pulse Current Limiting.
- CS3845B Download
- 6 Pages
- 149.84 Kbytes
- CS3845B
Description. The UC284xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count.
Overview. The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components.
Features. • Trimmed Oscillator for Precise Frequency Control. • Oscillator Frequency Guaranteed at 250 kHz. • Current Mode Operation to 500 kHz Output Switching Frequency. • Output Deadtime Adjustable from 50% to 70% • Automatic Feed Forward Compensation. • Latching PWM for Cycle−By−Cycle Current Limiting.
+-+ON+Semiconductor&oid=5&h=367&w=283&turl=https%3A%2F%2Ftse1.mm.bing.net%2Fth%3Fid%3DOIP.Ee-kKaZzSZEV7HdDdUQ1KgAAAA%26pid%3DApi&tt=CS3845BGDR8+Datasheet(PDF)+-+ON+Semiconductor&sigr=GtcVZxcdd9R2&sigit=XfTC3Do_EmMp&sigi=T8BMSXBtcNfa&sign=BZRprEMKbmlJ&sigt=BZRprEMKbmlJ "CS3845BGDR8 Datasheet(PDF) - ON Semiconductor")
