| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
24,150 pcs
|
24150 pcs | On Request | 1 | On Request | On Request | 0044+ | On Request | On Request |
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| Clock Sync | |
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| Duty Cycle (Max) | |
| Frequency | |
| Function | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
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| Synchronous Rectifier | |
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| Voltage |
The TL3843DR from Texas Instruments is an economy single-ended, current mode PWM controller. It is optimized for use in off-line and DC-to-DC converters, requiring a minimum number of external components.
Key electrical specifications include an operating voltage range of 7.6V to 30V, a maximum duty cycle of 97%, and an operating frequency of up to 500kHz. It features low start-up current (<1mA), pulse-by-pulse current limiting, and undervoltage lockout with hysteresis.
This controller is housed in a 14-SOIC surface mount package. The operating temperature range is 0°C to 70°C (TA). It is designed to be interchangeable with the UC2842 and UC3842 series controllers, offering flexibility in design.
The TL3843DR is suitable for various power management applications requiring efficient and stable DC-DC conversion.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.27 | $0.27 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
7.6V to 30V.
14-SOIC surface mount package.
0°C to 70°C (ambient).
97%.
Boost, flyback, and forward.
Up to 500kHz.
Yes, with UC2842 and UC3842 series.