onsemi UC3842BD1R2G Microcontrollers
SOIC-8 PWM Controller, 275kHz, 30V, 1A, Boost/Flyback
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3842BD1R2G
Base Model
Detailed Description
SOIC-8 PWM Controller, 275kHz, 30V, 1A, Boost/Flyback
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3842BD1R2G Datasheet
Quick Jump:
Technical Specifications
onsemi UC3842BD1R2G Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
10V ~ 30V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Flyback
Alternate Parts Comparison (UC3842BD1R2G vs UC3842BD vs UC3842BD1R2 vs UC3842BDR2)
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 | 14-SOIC | 8-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 | 10V ~ 30V | 10V ~ 30V | 10V ~ 30V | 10V ~ 30V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 96% | 96% | 96% | 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 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
This part is listed as a cross for
Directonsemi
Pin YesPkg YesElec Yes
Current Mode PWM
Directonsemi
Pin YesPkg YesElec Yes
30-V, 0.2A high Performance 500KHz current mode PWM with 16V/10V UVLO, 100% duty cycle, 0C to 70C 8-SOIC 0 to 70
Directonsemi
Pin YesPkg YesElec Yes
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, 0°C to 70°C 8-SOIC 0 to 70
Directonsemi
Pin YesPkg YesElec Yes
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Directonsemi
Pin YesPkg YesElec Yes
IC REG CTRLR BST FLYBK PWM 8SOIC
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.