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Supplier: Win Source Electronics
Description: Manufacturer: Texas Instruments Win Source Part Number: 032386-TL3844P Packaging: Tube/Rail Mounting: Through Hole Topology: Boost, Flyback, Forward Voltage - Start Up: 16V Duty Cycle: 97% Frequency - Switching: Up to 500kHz Control Features: Frequency Control
- Configuration / Function: Flyback Converter, Forward Converter
- IC Package Type: DIP / CDIP / PDIP, Other
- Operating Temperature: 0.0 to 70 C
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Supplier: Win Source Electronics
Description: Manufacturer: STMicroelectronics Win Source Part Number: 035695-UC3844BN Packaging: Tube/Rail Mounting: Through Hole Output Isolation: Isolated Topology: Forward Voltage - Start Up: 16V Duty Cycle: 48% Frequency - Switching: Up to 500kHz Fault Protection
- IC Package Type: DIP / CDIP / PDIP, Other
- Operating Temperature: -40 to 150 C
- Regulator Category: Switching Regulator
- Special Features: Internal Current Limit, Other
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Supplier: Win Source Electronics
Description: Manufacturer: Texas Instruments Win Source Part Number: 035692-UC3844AN Packaging: Tube/Rail Mounting: Through Hole Output Isolation: Isolated Topology: Boost, Buck, Flyback, Forward Voltage - Start Up: 16V Duty Cycle: 48% Frequency - Switching: Up to 500k
- IC Package Type: DIP / CDIP / PDIP, Other
- Operating Temperature: 0.0 to 70 C
- Regulator Category: Switching Regulator
- Special Features: Internal Current Limit, Other
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Supplier: Win Source Electronics
Description: Manufacturer: Texas Instruments Win Source Part Number: 081286-UC3844AD8 Packaging: Reel - TR Mounting: Surface Mount Output Isolation: Isolated Topology: Boost, Buck, Flyback, Forward Voltage - Start Up: 16V Duty Cycle: 48% Frequency - Switching: Up to 500k
- IC Package Type: SOIC / SOP, Other
- Operating Temperature: 0.0 to 70 C
- Regulator Category: Switching Regulator
- Special Features: Internal Current Limit, Other
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Supplier: Quarktwin Technology Ltd.
Description: Converter Offline Buck, Forward Converter Topology Up to 1MHz 16-SOIC
- Configuration / Function: Forward Converter, Other
- IC Package Type: SOIC / SOP, Other
- Input Voltage (VIN): 10 to 22 volts
- Operating Temperature: -40 to 85 C
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Supplier: Quarktwin Technology Ltd.
Description: Converter Offline Buck, Forward Converter Topology Up to 1MHz 16-PDIP
- Configuration / Function: Forward Converter, Other
- IC Package Type: DIP / CDIP / PDIP, Other
- Input Voltage (VIN): 10 to 22 volts
- Operating Temperature: 0.0 to 70 C
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Supplier: Quarktwin Technology Ltd.
Description: Converter Offline Boost, Flyback, Forward Topology 1MHz 16-SOIC
- Configuration / Function: Flyback Converter, Forward Converter, Other
- IC Package Type: SOIC / SOP, Other
- Input Voltage (VIN): 10 to 22 volts
- Operating Temperature: -55 to 150 C
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Supplier: Quarktwin Technology Ltd.
Description: Converter Offline Boost, Flyback, Forward Topology 1MHz 16-PDIP
- Configuration / Function: Flyback Converter, Forward Converter, Other
- IC Package Type: DIP / CDIP / PDIP, Other
- Input Voltage (VIN): 10 to 22 volts
- Operating Temperature: -55 to 150 C
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Supplier: DigiKey
Description: Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 20-PLCC (9x9)
- IC Package Type: Other
- Operating Temperature: -25 to 85 C
- Regulator Category: Switching Regulator
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Supplier: DigiKey
Description: Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 16-SOIC
- IC Package Type: SOIC / SOP, Other
- Operating Temperature: 0.0 to 70 C
- Switching Frequency (fsw): 300 kHz
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Switching Power Supply Design & Optimization, Second Edition > Closing the Loop: Feedback and Stability
NOTE The small (~22 pF) capacitor also unexpectedly helps with the UC3844 and Forward converters in general.
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A new forward based converter with power factor correction
We implemented a forward converter circuit controlled by UC3844 IC.
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Design of Programmable Switching Power Supply
It uses single-ended DC-DC forward converter , and the output range is controlled by regulating the pulse width of the PWM controller UC3844 .
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Analysis and experimental evaluation of single-switch fast-response switching regulators with unity power factor
An experimental 100-W (18-V/5.6-A) converter has been built and tested to verify the .... The output voltage of the forward cell is regulated using voltage- mode control with a UC3844 IC.
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Dynamic Modeling and Controller Design for a Single-Stage Single-Switch Parallel Boost-Flyback–Flyback Converter
…in [16], the current mode control possesses the advantages of input voltage feed forward characteristic and easy .... Besides, it is also widely used in both traditional flyback converter [16] and super-buck converter [17]. .... Hence, the commer- cially available IC UC3844 associated with TL431-based opti- cally feedback circuit is employed…
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Digitally Controlled Offline Converter with Galvanic Isolation Based on an 8-bit Microcontroller
The block diagram of Fig. 2 shows a two-switch forward converter , but any converter topology with transformer isolation could be used. .... Unlike an analogue control IC such as the UC3844 , a digital controller needs a relatively large supply…
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Quasi resonant AC/DC forward converter with sinusoidal input current
…of a complex power factor PWM and use a standard current mode controller, UC3844 or UCC3804, with .... Forward . .... converter .
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Two-stage Optimization Method for Efficient Power Converter
Design Including Light Load Operation
Two two-FET forward converters are built to verify the optimization results. .... Current mode controller UC3844 is implemented on primary side.
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High performance AC–DC control power supply for low voltage ride through inverters
…control maintains UPF operation and regulates voltage Vint at 400Vdc, the isolated dc–dc converter ’s closed loop .... A dedicated IC UC3854AN and UC3844 datasheets [10] from Texas Instruments has been chosen for UPF recti … bridge rectifier’s output voltage, (2) the output voltage error, and (3) a feed forward term, which are…
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Novel single-stage isolated power-factor-corrected power supplies with regenerative clamping
…the buckboost–forward SSIPP also serves as a path for resetting the magnetizing current of the forward cell. .... However, it is not the preferred input cell, because a buckboost converter has a poorer conversion efficiency .... The circuit is shown in Fig. 10(a), where a UC3844 was used to generate the PWM…