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
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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
Related Parts Comparison (UC3842BD1R2G vs UC3842BD vs UC3842BD1R2 vs UC3842BDR2)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| 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
UC3842BD1013TRSTMicroelectronicsDirectonsemi
Pin YesPkg YesElec Yes
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TL3842BDR-8Texas InstrumentsDirectonsemi
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
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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
UC3842BD1GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
TL3842BD-8Texas InstrumentsDirectonsemi
Pin YesPkg YesElec Yes
IC REG CTRLR BST FLYBK PWM 8SOIC
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