| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
1,651 pcs
|
1651 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Clock Sync | |
| Control Features | |
| Duty Cycle (Max) | |
| Frequency | |
| Function | |
| Halogen Free | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Operating Voltage | |
| Output Configuration | |
| Output Current | |
| Output Phases | |
| Output Type | |
| Output Voltage | |
| Supplier Device Package | |
| Synchronous Rectifier | |
| Topology | |
| Voltage |
The UC3843BVD1G from ON Semiconductor is a fixed-frequency, current-mode controller designed for efficient Off-Line and DC-DC converter applications. It offers a cost-effective solution with minimal external components, featuring a trimmed oscillator for precise duty cycle control and a temperature-compensated reference.
Key electrical specifications include an operating voltage range of 7.6V to 30V, a maximum duty cycle of 96%, and a switching frequency of up to 500kHz. The device also provides features such as cycle-by-cycle current limiting, programmable output deadtime, and undervoltage lockouts with hysteresis.
This controller is housed in an 8-pin SOIC package, suitable for surface mount applications. Its robust design and integrated features make it ideal for various power supply designs requiring reliable voltage regulation and current control.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.78 | $0.78 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The UC3843BVD1G operates from 7.6V to 30V.
The maximum switching frequency is 500kHz.
The operating temperature range is -40°C to 105°C.
The UC3843BVD1G is available in an 8-SOIC surface mount package.
The maximum duty cycle is 96%.
The UC3843BVD1G supports boost, flyback, and forward topologies.