Current Mode PWM controller for DC/DC conversion, supporting Boost and Flyback topologies. Features a 250kHz nominal frequency, expandable to 500kHz, with a fixed 50% duty cycle. Operates from an 8.2V to 30V input voltage range, with a 12mA operating supply current. Housed in a 5mm x 4mm SOIC package for surface mounting, it offers a 1A output current and 5.05V output voltage. Rated for operation between -25°C and 150°C.
Frequency250kHz
PackageSOIC
MountingSurface Mount
Power800mW
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Technical Specifications
Stmicroelectronics UC2845BD1 technical specifications.
General
| Package/Case | SOIC |
| Duty Cycle | 50% |
| Fall Time | 50ns |
| Frequency | 250kHz |
| Height | 1.25mm |
| Length | 5mm |
| Max Duty Cycle | 50% |
| Max Frequency | 500kHz |
| Max Input Voltage | 30V |
| Min Input Voltage | 8.2V |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -25°C |
| Max Supply Voltage | 30V |
| Min Supply Voltage | 12V |
| Mount | Surface Mount |
| Nominal Input Voltage | 15V |
| Number of Channels | 1 |
| Number of Outputs | 1 |
| Operating Supply Current | 12mA |
| Output Current | 1A |
| Output Voltage | 5.05V |
| Package Quantity | 100 |
| Packaging | Rail/Tube |
| Power Dissipation | 800mW |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | UC2845B |
| Topology | Boost, Flyback |
| Width | 4mm |
Compliance
| RoHS | Compliant |
Datasheet
Stmicroelectronics UC2845BD1 Datasheet
Download the complete datasheet for Stmicroelectronics UC2845BD1 to view detailed technical specifications.
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