| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2,139 pcs
|
2139 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
1,574 pcs
|
1574 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 | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Output Configuration | |
| Output Phases | |
| Output Type | |
| Supplier Device Package | |
| Supplier Package | |
| Synchronous Rectifier | |
| Topology | |
| Voltage |
The UC3843AN from Texas Instruments is a high-performance current mode PWM controller suitable for various off-line and DC-DC power supply applications. This device operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz, offering flexibility in power supply design.
Key features include a maximum duty cycle of 96% and an output type of Transistor Driver. The controller supports multiple topologies such as Boost, Buck, Flyback, and Forward. It is housed in an 8-DIP package and designed for through-hole mounting.
The operating temperature range for the UC3843AN is 0°C to 70°C, making it suitable for a wide array of environmental conditions. Its design incorporates features like low start-up current and undervoltage lockout with hysteresis for enhanced performance and reliability.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.78 | $0.78 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The UC3843AN operates from 7.6V to 30V.
The maximum switching frequency is 500kHz.
The operating temperature range is 0°C to 70°C.
The UC3843AN is available in an 8-DIP (0.300", 7.62mm) through-hole package.
The UC3843AN supports boost, buck, flyback, and forward topologies.
The maximum duty cycle is 100%.