onsemi UC3845BD Microcontrollers
Current Mode PWM Controller, 1A, 500kHz, 14-Pin SOIC N
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3845BD
Base Model
Detailed Description
Current Mode PWM Controller, 1A, 500kHz, 14-Pin SOIC N
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3845BD Datasheet
Quick Jump:
Technical Specifications
onsemi UC3845BD Microcontrollers technical specifications.
General
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Flyback
Control Features
Frequency Control
Output Configuration
Positive, Isolation Capable
Alternate Parts Comparison (UC3845BD vs UC3845BD1R2G vs UC3845BDR2G vs UC3845BDG)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-SOIC | 8-SOIC | 14-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 48% | 48% | 48% | 48% |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Phases | 1 | 1 | 1 | 1 |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.