| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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3,500 pcs
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3500 pcs | On Request | 1 | On Request | On Request | 0630+ | On Request | On Request |
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| Tape & Reel |
The LT1243IS8#TRPBF is an 8-pin, fixed frequency, current mode, pulse width modulator from Linear Technology. It is an improved, plug-compatible version of the industry-standard UC1842 series, offering enhanced speed and lower quiescent current.
This device is optimized for off-line and DC/DC converter applications. Key electrical specifications include a maximum operating frequency of 500 kHz, a typical supply current of 7 mA, and a minimum operating threshold of 8.4 V. It supports a maximum input voltage of 25 V and a minimum input voltage of 8.2 V, with a nominal output current of 1 A.
The LT1243IS8#TRPBF operates within a temperature range of -40°C to 85°C. It is supplied in an SO-8 package and is available on tape and reel, making it suitable for automated assembly processes.
This PWM controller contains a temperature-compensated reference, a high-gain error amplifier, a current-sensing comparator, and a high-current totem pole output stage designed for driving power MOSFETs. Start-up current is reduced to less than 250 µA, and cross-conduction current spikes in the output stage have been eliminated.
The operating frequency is 500 kHz.
The typical supply current is 7 mA.
The minimum operating threshold is 8.4 V.
The maximum input voltage is 25 V.
The minimum input voltage is 8.2 V.
The output current rating is 1 A.
The operating temperature range is -40 to 85 °C.
It is supplied in an SO-8 package.