UC3845AD8TRG4
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 6 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 | 450kHz |
| 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 |
| 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 | 4.9mm |
| Width | 3.91mm |
| Thickness | 1.58mm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
UC3845AD8TRG4 Overview
Capsuled in the 8-SOIC (0.154, 3.90mm Width) package, the switching controller suits most application needs. 1 outputs are supported by the dc motor controller. An enclosure of Tape & Reel (TR) is used to package the PMIC. It is capable of handling Transistor Driver dc switching's outputs (s). Voltages 7.6V~30V are the dc control's supply voltage and operating voltage, respectively. Qualified to work in an dc switcher with 0°C~70°C TA. Switching can be done at 500kHz with this switching controller. The Surface Mount value makes it suitable for general dc dc regulator. In order to control switching efficiently, the dcdc regulator features Frequency Control. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. There are many different types of terminations for 8. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 15V. A search for "UC3845" will reveal other relevant dc to dc converter ics. 8 pins are on switching converter. Switching converter is a type of Switching Regulator or Controllers in particular. DC regulator outputs 15V voltage based on test statistics. A starting point for a project is to note down the dc dc regulator's usual output current, which is 200mA. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. 450kHz is the frequency of the switching controller. 25V is the nominal working voltage. This voltage controller requires a supply voltage of 11V. 25mA more than 25mA current should be supplied to the controller.
UC3845AD8TRG4 Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3845AD8TRG4 Applications
There are a lot of Texas Instruments UC3845AD8TRG4 DC to DC converter applications.
- Medical equipment
- Mobile phones
- Driver circuits
- Precision electronic equipment
- Photovoltaic power
- Correction machines
- Direct power supply system
- Nuclear power plants
- Current source circuits
- Program control systems
