UC3845AD8TR
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 4 days 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 | Tape & Reel (TR) |
| 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 | BIPOLAR |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage | 11V |
| Frequency | 500kHz |
| Base Part Number | UC3845 |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 15V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive, Isolation Capable |
| Output Current | 200mA |
| Voltage - Supply (Vcc/Vdd) | 7.6V~30V |
| Control Features | Frequency Control |
| Topology | Buck, Boost, Flyback, Forward Converter |
| Control Mode | CURRENT-MODE |
| 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 % |
| 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 |
UC3845AD8TR Overview
It comes in a 8-SOIC (0.154, 3.90mm Width) package, so switching controller can be used for most applications. The dc motor controller is adquate to generate for 1 outputs. Tape & Reel (TR) solid enclosure protects the pmic. With Transistor Driver dc switching's output (s), it is able to handle it. 7.6V~30V is the operating voltage and supply voltage of the dc control. Work well in dc switchers with a 0°C~70°C TA. dc dc regulator can be generalized using Surface Mount. To ensure efficient switching, this dcdc regulator features a Frequency Control. An analog IC SWITCHING CONTROLLER is connected to the switch converters. Terminal (s) of the switching converters are designed at the DUAL position. 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. 15V nominal DC switcher's voltage input. UC3845 can be searched for other relevant dc to dc converter ics. Switching converter has a total of 8 pins. Specially, switching converter corresponds to type Switching Regulator or Controllers. As determined by the test statistics, the output voltage of DC regulator is 15V. A starting point for a project is to note down the dc dc regulator's usual output current, which is 200mA. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 50 %. A frequency of 500kHz is set for the switching controller. You can set the input voltage to 25V for nominal working status. The supply voltage must be 11V. The controller should not be supplied with more current than 25mA.
UC3845AD8TR Features
Transistor Driver Outputs
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 500kHz
UC3845AD8TR Applications
There are a lot of Texas Instruments UC3845AD8TR DC to DC converter applications.
- Solar power plants
- Surge protection circuits
- Smoke prevention equipment
- Television equipment
- Computer monitoring equipment of building
- Balance equipment
- Cutting machine tools
- Linear guide
- Series voltage regulation circuits
- Mobile phones
