| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
3,200 pcs
|
3200 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Clock Sync | |
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| Duty Cycle (Max) | |
| Frequency | |
| Function | |
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| Number of Outputs | |
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| Synchronous Rectifier | |
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| Voltage |
The Texas Instruments UC3843AD8 is an 8-SOIC packaged current mode PWM controller. It is optimized for off-line and DC-DC converters, offering features such as adjustable switching frequency, current limiting, and undervoltage lockout with hysteresis. This controller supports multiple topologies including Boost, Buck, Flyback, and Forward.
Key electrical characteristics include an operating voltage range of 7.6V to 30V, a maximum duty cycle of 96%, and an operating frequency of up to 500kHz. It boasts a low start-up current of less than 0.5mA and a high-current totem pole output. The device operates within a temperature range of 0°C to 70°C.
Designed for efficient power management, the UC3843AD8 provides features like automatic feedforward compensation and pulse-by-pulse current limiting. Its surface mount package makes it suitable for various electronic designs requiring robust power control.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.63 | $0.63 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 7.6V to 30V.
The maximum operating frequency is 500kHz.
The UC3843AD8 is available in an 8-SOIC package.
The operating temperature range is 0°C to 70°C (TA).
The maximum duty cycle is 96%.
The UC3843AD8 uses current mode control.