onsemi UC3843BVD1R2G Microcontrollers
PWM Controller IC, SOIC-8, 500kHz, 25V, 1A

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3843BVD1R2G
Detailed Description
PWM Controller IC, SOIC-8, 500kHz, 25V, 1A
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3843BVD1R2G Datasheet
Quick Jump:
Technical Specifications
onsemi UC3843BVD1R2G Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Flyback
Control Features
Frequency Control
Alternate Parts Comparison (UC3843BVD1R2G vs LM2904EDR2G vs MC33071DR2G vs MC33077DR2G)
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 | -40°C ~ 105°C (TA) | -40°C ~ 105°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Amplifier Type | -- | General Purpose | General Purpose | General Purpose |
| Current Input Bias | -- | 45 nA | 100 nA | 280 nA |
| Current Output Channel | -- | 40 mA | 30 mA | 33 mA |
| Current Supply | -- | 1.5mA (x2 Channels) | 1.9mA | 3.5mA |
| Gain Bandwidth Product | -- | 1 MHz | 4.5 MHz | 37 MHz |
| Number of Circuits | -- | 2 | 1 | 2 |
| Slew Rate | -- | 0.6V/µs | 13V/µs | 11V/µs |
| Voltage Input Offset | -- | 2 mV | 1 mV | 130 µV |
| Voltage Supply Span Max | -- | 32 V | 44 V | 36 V |
| Action |
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.