| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
7,411 pcs
|
7411 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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6,530 pcs
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6530 pcs | On Request | 1 | On Request | On Request | 15+ | On Request | On Request | |
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5,000 pcs
|
5000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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1,096 pcs
|
1096 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 | |
| SVHC Present | |
| Supplier Device Package | |
| Synchronous Rectifier | |
| Topology | |
| Voltage |
The TL3843P from Texas Instruments is an 8-pin PDIP current mode PWM controller. It is optimized for off-line and DC-to-DC converters, supporting topologies such as Boost, Flyback, and Forward. This controller features an operating voltage range from 7.6V to 30V and can operate at frequencies up to 500kHz.
Key electrical characteristics include a maximum duty cycle of 97% and a low start-up current of less than 1mA. The device includes features like undervoltage lockout with hysteresis, pulse-by-pulse current limiting, and a high-current totem-pole output. It is designed for through-hole mounting.
The TL3843P is suitable for various power supply applications requiring efficient and stable voltage regulation. Its robust design and integrated features minimize the need for external components, simplifying circuit design and reducing board space.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.47 | $0.47 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The TL3843P operates with an input voltage range of 7.6V to 30V.
The TL3843P operates at a fixed 500kHz switching frequency.
The TL3843P is specified for operating temperatures from 0°C to 70°C.
The TL3843P is available in an 8-pin PDIP package (0.300", 7.62mm pitch) with through-hole mounting.
The TL3843P supports boost, flyback, and forward topologies.
Yes, the TL3843P has undervoltage lockout (UVLO) with minimum threshold of 7.6V and maximum of 8.4V.
According to the manufacturer, the maximum duty cycle is 100%.