| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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71 pcs
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71 pcs | On Request | 1 | On Request | On Request | 03+ | On Request | On Request |
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The LM3478MM from Texas Instruments is a versatile DC-DC switching controller designed for Boost, SEPIC, and Flyback topologies. It features a wide input voltage range from 2.97V to 40V, making it suitable for various power supply applications.
This controller operates in current mode and offers features such as adjustable current limit, enable functionality, and frequency synchronization. It supports light-load efficiency and nonsynchronous rectification. The adjustable clock frequency can be set between 100kHz and 1MHz, providing design flexibility. The internal reference voltage has a tolerance of ±2.5% over temperature.
The LM3478MM is available in 8-lead SOIC and VSSOP packages. Its operating temperature range is -40°C to 125°C. Key electrical characteristics include a maximum duty cycle of 100% and a typical quiescent current of 2.7mA. The device also includes undervoltage lockout with hysteresis and an internal soft-start feature.
This controller is ideal for applications requiring efficient power conversion over a broad input voltage range. Its adjustable features allow for optimization in various design scenarios.
The LM3478MM operates with an input voltage from 2.97V to 40V.
The output voltage can be adjusted from 1.26V to 500V.
The switching frequency is adjustable from 100kHz to 1MHz.
The operating temperature range is -40°C to 125°C.
The LM3478MM is available in 8-pin SOIC and 8-pin VSSOP packages.
The LM3478MM supports boost, flyback, forward, and SEPIC topologies.
The LM3478MM uses current mode control.