onsemi UC3842BD1R2 DC DC Switching Controllers
IC REG CTRLR BST FLYBK ISO 8SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3842BD1R2
Detailed Description
IC REG CTRLR BST FLYBK ISO 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UC3842BD1R2 Datasheet
Quick Jump:
Technical Specifications
onsemi UC3842BD1R2 DC DC Switching Controllers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
10V ~ 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 (UC3842BD1R2 vs UC3844BD1R2 vs UC2845BD1R2 vs UC3843BVD1R2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -25°C ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 10V ~ 30V | 10V ~ 36V | 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 | 96% | 48% | 48% | 96% |
| 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 |
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