UC3844D8
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 1 day ago) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Surface Mount | YES |
| Number of Pins | 8 |
| Weight | 72.603129mg |
| 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 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 |
| 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 % |
| Duty Cycle (Max) | 48% |
| Height | 1.75mm |
| Length | 4.9mm |
| Width | 3.91mm |
| Thickness | 1.58mm |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
UC3844D8 Overview
As a result of 8-SOIC (0.154, 3.90mm Width) compact design, the switching controller is compatible with most applications. 1 outputs can be generated with the dc motor controller. There is a Tube solid enclosure around the pmic. Transistor Driver dc switching's outputs (s) are supported. This dc control has a supply voltage and operating voltage of 12V~28V. Suitable for work in a 0°C~70°C TA dc switcher. There is a switch at Up to 500kHz that can be used with this controller. Surface Mount makes it suitable for general dc dc regulator. The dcdc regulator features Frequency Control for efficient switching control. Switch converters are connected to ICs with SWITCHING CONTROLLER analog outputs. The switching converters's terminal (s) are designed at DUAL . 8 terminations with various dc switching's functions. It includes PULSE WIDTH MODULATION as one of the control techniques dc dc converter ic adapts. 15V nominal DC switcher's voltage input. UC3844 can be searched for other relevant dc to dc converter ics. 8 pins are present on switching converter. Switching converter is a type of Switching Regulator or Controllers in particular. DC regulator outputs 13.5V voltage according to the test statistics. If you start a project, note down the dc dc regulator's usual output current of 200mA. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 50 %. The switching controller works at a frequency of 450kHz. During dormancy, the dc switching uses 11mA. For nominal working status, the input voltage can be set as 25V. 25mA more than 25mA current should be supplied to the controller.
UC3844D8 Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3844D8 Applications
There are a lot of Texas Instruments UC3844D8 DC to DC converter applications.
- Magnetohydrodynamic power
- Various CNC machine tools
- Electric heating, lighting
- Digital video recorders
- Hydraulic presses
- Large fire protection systems
- Planers
- Surge protection circuits
- Motor controller circuits
- Milling machines
