UC3845D8G4
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 1 week 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 | UC3845 |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 5V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive, Isolation Capable |
| Power Dissipation | 650mW |
| Output Current | 200mA |
| Voltage - Supply (Vcc/Vdd) | 12V~28V |
| Control Features | Frequency Control |
| Topology | Buck, Boost, Flyback, Forward Converter |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | 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 |
| Switcher Configuration | BUCK-BOOST |
| Max Duty Cycle | 50 % |
| Input Current | 11mA |
| 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 |
UC3845D8G4 Overview
It comes in a 8-SOIC (0.154, 3.90mm Width) package, so switching controller can be used for most applications. 1 outputs are supported by the dc motor controller. PMIC packaging is solid with a Tube enclosure. With this function, you can deal with Transistor Driver dc switching's outputs (s). The supply and operating voltage of the dc control are 12V~28V. A 0°C~70°C TA dc switcher is not a problem. This switching controller can switch at 500kHz. The Surface Mount value makes it suitable for general dc dc regulator. DCDC regulator is controlled efficiently by Frequency Control. A SWITCHING CONTROLLER analog IC is connected to the switch converters. The switching converters's terminals (s) are designed at DUAL. Various 8 terminations. It includes PULSE WIDTH MODULATION as one of the control techniques dc dc converter ic adapts. 15V nominal DC switcher's voltage input. UC3845 can be used to locate other relevant dc to dc converter ics. 8 pins are on switching converter. Specifically, switching converter falls under the Switching Regulator or Controllers category. As determined by the test statistics, the output voltage of DC regulator is 5V. If you are starting a new project, you should note the dc dc regulator's typical output current is 200mA. To ensure the reliability under power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set as 50 %. Switching controller operates at 450kHz Hz. It is possible to 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.
UC3845D8G4 Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3845D8G4 Applications
There are a lot of Texas Instruments UC3845D8G4 DC to DC converter applications.
- Electrical distribution systems
- Elevator lighting
- Hydro power
- Scientific testing
- Die casting equipment
- Direct power supply system
- Wind power
- Post equipment
- Photovoltaic power
- Servo drive system
