UC3845BD1
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 7 months ago) |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Number of Pins | 8 |
| Operating Temperature | -40°C~150°C TJ |
| Packaging | Tube |
| JESD-609 Code | e4 |
| 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 |
| Frequency | 500kHz |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | UC3845 |
| Function | Step-Up/Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 5.1V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive, Isolation Capable |
| Output Current | 1A |
| Voltage - Supply (Vcc/Vdd) | 7.6V~30V |
| Control Features | Frequency Control |
| Topology | Boost, Flyback |
| Control Mode | CURRENT-MODE |
| Input Voltage (Max) | 30V |
| Control Technique | PULSE WIDTH MODULATION |
| Rise Time | 50ns |
| Synchronous Rectifier | No |
| Fall Time (Typ) | 50 ns |
| Switcher Configuration | SINGLE |
| Max Duty Cycle | 50 % |
| Duty Cycle (Max) | 48% |
| Height | 1.25mm |
| Length | 5mm |
| Width | 4mm |
| RoHS Status | ROHS3 Compliant |
UC3845BD1 Overview
The switching controller fits in the 8-SOIC (0.154, 3.90mm Width) package and is ideal for most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. Tube is the solid enclosure in which PMIC is packaged. There are Transistor Driver dc switching's output (s) that it can handle. A 7.6V~30V voltage is supplied to the dc control and used for operating it. Worked in a -40°C~150°C TJ dc switcher before. The Surface Mount allows it to be used for dc dc regulator in general. Frequency Control is used for efficient switching control in the dcdc regulator. 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. 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. Searching "UC3845" will return other relevant dc to dc converter ics. 8 pins are on switching converter. Switching converter is a special type of Switching Regulator or Controllers. Statistically, DC regulator outputs 5.1V volts. It should be fully noted that the dc to dc regulator only accepts 30V input voltage at most. In most cases, the output current of the dc dc regulator will be 1A, so note that when you start the project. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. DC switcher's Surface Mount makes it qualified for most application and prototype designs. DC switcher'sSwitching controller operates at 500kHz Hz.
UC3845BD1 Features
Transistor Driver Outputs
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 500kHz
UC3845BD1 Applications
There are a lot of STMicroelectronics UC3845BD1 DC to DC converter applications.
- Remotely powered electric motors
- SMT equipment
- seismic instrument power circuits
- Printing
- Magnetohydrodynamic power
- Computer monitoring equipment of building
- Analog precision reference circuits
- Refrigerators of central air conditioners
- Surge protection circuits
- Textile machinery
