onsemi UC3843BNG Microcontrollers
PWM Controller IC, 1A, 500kHz, 8-Pin PDIP, Through Hole
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3843BNG
Detailed Description
PWM Controller IC, 1A, 500kHz, 8-Pin PDIP, Through Hole
Package
8-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
UC3843BNG Datasheet
Quick Jump:
Technical Specifications
onsemi UC3843BNG Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°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 (UC3843BNG 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 | 8-DIP | 14-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°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
TL2843BPTexas InstrumentsDirectonsemi
Pin YesPkg YesElec Yes
IC REG CTRLR MULT TOPOLOGY 8DIP
TL3843BPTexas InstrumentsDirectonsemi
Pin YesPkg YesElec Yes
IC REG CTRLR MULT TOPOLOGY 8DIP
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