UC3844DTR
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 1 week ago) |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154, 3.90mm Width) |
| Surface Mount | YES |
| Number of Pins | 14 |
| Weight | 122.413241mg |
| Operating Temperature | 0°C~70°C TA |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e4 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 14 |
| ECCN Code | EAR99 |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Subcategory | Switching Regulator or Controllers |
| Technology | BIPOLAR |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| 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 |
| Output Current | 200mA |
| Voltage - Supply (Vcc/Vdd) | 12V~28V |
| 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 % |
| Duty Cycle (Max) | 48% |
| Height | 1.75mm |
| Length | 8.65mm |
| Width | 3.91mm |
| Thickness | 1.58mm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
UC3844DTR Overview
This switching controller fits most application requirements since it is packaged in a 14-SOIC (0.154, 3.90mm Width) package. This dc motor controller can be used to generate outputs with 1 numbers. Packaging for the pmic consists of Tape & Reel (TR) solid enclosures. It is capable of handling Transistor Driver dc switching's outputs (s). 12V~28V is the supply voltage and the operating voltage of the dc control. A 0°C~70°C TA dc switcher is not a problem. In this switching controller, the switch can be set to Up to 500kHz. As it has a Surface Mount value, it can be used for general dc dc regulator. Featured in the dcdc regulator is Frequency Control which allows efficient switching control. The switch converters are connected to a SWITCHING CONTROLLER analog IC. Switching converters are designed with the terminal (s) at position DUAL . Various 14 terminations. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. Other relevant dc to dc converter ics will be returned if you search "UC3844". There are a total of 14 pins on switching converter. Switching converter type is specifically Switching Regulator or Controllers. According to the test statistics, DC regulator outputs 13.5V voltage. normally, the dc dc regulator's output current is 200mA, which you should keep in mind when starting a project. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 50 %. There is 450kHz frequency setting on the switching controller. You can set the input voltage to 25V for nominal working status. There should be 25mA more than 25mA amps of current supplied to the controller.
UC3844DTR Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3844DTR Applications
There are a lot of Texas Instruments UC3844DTR DC to DC converter applications.
- Mobile phones
- Electrical distribution systems
- Access control systems
- Refrigerators of central air conditioners
- Drilling machines
- Packaging
- Handheld GPS
- Analog precision reference circuits
- Grinders
- Driver circuits
