UC3844N
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 1 day ago) |
| Mount | DIP |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300, 7.62mm) |
| Number of Pins | 8 |
| Weight | 528.605208mg |
| Operating Temperature | 0°C~70°C TA |
| Packaging | Tube |
| JESD-609 Code | e4 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 8 |
| ECCN Code | EAR99 |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Subcategory | Switching Regulator or Controllers |
| Technology | BICMOS |
| Terminal Position | DUAL |
| Terminal Pitch | 2.54mm |
| Frequency | 450kHz |
| Base Part Number | UC3844 |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 13.5V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Power Dissipation | 1W |
| Output Current | 1A |
| Voltage - Supply (Vcc/Vdd) | 12V~28V |
| Quiescent Current | 11mA |
| Control Features | Frequency Control |
| Topology | Boost, Buck, Buck-Boost, Flyback, Forward |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | Up to 500kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Rise Time | 50ns |
| Supply Current-Max (Isup) | 25mA |
| Synchronous Rectifier | No |
| Fall Time (Typ) | 50 ns |
| Nominal Input Voltage | 25V |
| Max Duty Cycle | 50 % |
| Input Current | 11mA |
| Duty Cycle (Max) | 48% |
| Height | 5.08mm |
| Length | 9.81mm |
| Width | 6.35mm |
| Thickness | 3.9mm |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
UC3844N Overview
With its 8-DIP (0.300, 7.62mm) package, the switching controller fits the needs of most applications. There is sufficient capacity to generate switching controller for outputs 1. Packaged in solid enclosures, this pmic has a Tube rating. It is capable of handling Transistor Driver dc switching's outputs (s). This dc control has a supply voltage and operating voltage of 12V~28V. Work well in dc switchers with a 0°C~70°C TA. The switching controller can be switched at Up to 500kHz. dc dc regulator is made easier with Through Hole. For efficient switching control, the dcdc regulator features Frequency Control. SWITCHING CONTROLLER analog IC connects the switch converters. The switching converters's terminal (s) are designed at DUAL . 8 terminations with various dc switching's functions. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. The nominal DC switcher's voltage input is 15V. UC3844 can be used to locate other relevant dc to dc converter ics. 8 pins are on switching converter. In particular, switching converter belongs to the Switching Regulator or Controllers family. Test statistics indicate DC regulator outputs 13.5V voltage. If you start a project, note down the dc dc regulator's usual output current of 1A. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. In most applications and prototypes, DC switcher's DIP makes it suitable. Switching controller operates at a frequency of 450kHz. When the dc switching is dormant, it uses 11mA. You can set the input voltage to 25V for nominal working status. 25mA more than 25mA current should be supplied to the controller. If there is 11mA current flow input, then the switching converter could operate.
UC3844N Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3844N Applications
There are a lot of Texas Instruments UC3844N DC to DC converter applications.
- Electric water heaters
- Communication system
- Scientific testing
- Domestic water pumps
- Sink circuits
- Power supplies of electronic gadgets
- Telecommunications equipment
- Elevator lighting
- Die casting equipment
- Electric heating, lighting
