Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 798665-UC3844DX
Packaging: Tube
Operating Temperature Range: 0°C ~ 70°C (TA)
Package: 14-SOIC (0.154", 3.90mm Width)
Mounting: SMD
Internal Switch(s): No
Voltage - Start Up: 16V
Duty Cycle: 48%
Frequency - Switching: Up to 500kHz
Fault Protection: Current Limiting
Control Features: Frequency Control
Supply Voltage: 10 V ~ 30 V
Part Status: Obsolete(EOL)
Family Name: UC3844
Categories: Integrated Circuits (ICs)
Manufacturer Package: 14-SOP
Alternative Parts (Cross-Reference): UC3844N_NL; UC3844D1; UC3844D1X; UC3844D;
Introduction Date: February 19, 2002
ECCN: EAR99
Country of Origin: China, Malaysia, Thailand
Estimated EOL Date: Obsolete / End of life
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 46 pct.
Supply and Demand Status: Limited
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 14-SOP
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 14-SOP
Boost, Buck, Buck-Boost, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down DC-DC Controller IC 14-SOP
SWITCHING CONTROLLER
IC REG CTRLR PWM CM 14-SOIC
| Win Source Electronics | DigiKey | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 798665-UC3844DX | UC3844DX-ND | UC3844DX | UC3844DX | UC3844DX |
| Product Name | PMIC - PMIC - AC DC Converters, Offline Switchers - UC3844DX | DC DC Switching Controllers | DC DC Switching Controllers | Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Package Type | SOIC; Other; 14-SOIC (0.154", 3.90mm Width) | SOIC; Other; "14-SOIC (0.209"", 5.30mm Width)" | SOIC; Other; 14-SOIC (0.209\", 5.30mm Width) | SOIC | |
| Life Cycle Stage | PhaseOut; Obsolete(EOL) | Removed; Obsolete | Removed | ||
| Special Features | Internal Current Limit; Frequency Control | Frequency Control | |||
| fsw | 500 kHz | 500 kHz | |||
| Duty Cycle | 48 | 48 | 48 |
