onsemi UC2843BDR2G Microcontrollers
Current Mode PWM Controller, SOIC, 275kHz, 30V, 1A
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC2843BDR2G
Detailed Description
Current Mode PWM Controller, SOIC, 275kHz, 30V, 1A
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC2843BDR2G Datasheet
Quick Jump:
Technical Specifications
onsemi UC2843BDR2G Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
-25°C ~ 85°C (TA)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Active
Switching Frequency
Up to 500kHz
Duty Cycle Max
96%
Synchronous Rectifier
No
Clock Sync
No
Alternate Parts Comparison (UC2843BDR2G vs UC3845BVDR2G vs UC3845BD1R2G vs UC3843BVD1R2G)
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 | 14-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -25°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 105°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 |
| Lifecycle Status | Active | Active | Active | Active |
| 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 |
| 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
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Pin YesPkg YesElec Yes
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Pin YesPkg YesElec Yes
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