UC2845AD
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 5 days 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 | -40°C~85°C TA |
| Packaging | Tube |
| 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 |
| Supply Voltage | 11V |
| Frequency | 450kHz |
| Base Part Number | UC2845 |
| Function | Step-Up, 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 | 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 % |
| Duty Cycle (Max) | 48% |
| Height | 1.75mm |
| Length | 8.65mm |
| Width | 3.91mm |
| Thickness | 1.58mm |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
UC2845AD Overview
It comes in a 14-SOIC (0.154, 3.90mm Width) package, so switching controller can be used for most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. Packaging for the pmic consists of Tube solid enclosures. A total of Transistor Driver dc switching's outputs can be handled by it. dc control's supply and operating voltages are 7.6V~30V. Workable in an dc switcher where -40°C~85°C TA is the -40°C~85°C TArm. Using this switching controller, it is possible to switch at 500kHz. Surface Mount makes it suitable for general dc dc regulator. Switching control is made easier with the dcdc regulator's Frequency Control. An analog IC with the SWITCHING CONTROLLER signal is connected to the switch converters. Terminal (s) of the switching converters are designed at the DUAL position. A variety of dc switching's functions can be performed on 14 terminations. These dc dc converter ics adapt several control methods, including PULSE WIDTH MODULATION. DC switcher's input voltageis 15V volts. A search for "UC2845" will reveal other relevant dc to dc converter ics. In total, switching converter has 14 pins. Particularly, switching converter is a type of Switching Regulator or Controllers. Based on the test statistics, DC regulator outputs voltage 15V. A starting point for a project is to note down the dc dc regulator's usual output current, which is 200mA. Power-up and power-down reliability is ensured voltage regulator dc to dc by setting the maximum duty cycle to 50 %. 450kHz is the frequency of the switching controller. A nominal working status is achieved when the input voltage is set to 25V. There is a requirement for a 11V supply voltage. The controller should not be supplied with more current than 25mA.
UC2845AD Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC2845AD Applications
There are a lot of Texas Instruments UC2845AD DC to DC converter applications.
- Medical monitoring systems
- Digital precision reference circuits
- Surface processing equipment
- Various CNC machine tools
- Magnetohydrodynamic power
- Geothermal power
- Hydro power
- Alternators
- CNC system
- Household control circuits
