The L4974A is a step down monolithic power switching regulator delivering 3.5A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4974A include reset and power fail for microprocessors, feed forward line regulation, soft start, limiting current and thermal protection. The device is mounted in a Power dip 16 + 2 + 2 plastic package and requires few external components. Efficient operation at switching frequencies up to 200KHz allows reduction in the size and cost of external filter component.
SKU:
RW-02195
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The L4974A is a step down monolithic power switching regulator delivering 3.5A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4974A include reset and power fail for microprocessors, feed forward line regulation, soft start, limiting current and thermal protection. The device is mounted in a Power dip 16 + 2 + 2 plastic package and requires few external components. Efficient operation at switching frequencies up to 200KHz allows reduction in the size and cost of external filter component.
Features:-
? 3.5a Output Current
? 5.1v To 40v Output Voltage Range
? 0 To 90% Duty Cycle Range
? Internal Feed-Forward Line Reg
? Internal Current Limiting
? Precise 5.1v ? 2% On Chip Reference
? Reset And Power Fail Functions .Input/Output Sync Pin
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