KA5L0380——the switch power supply integrated circuit

Published:2011/7/13 11:34:00 Author:Borg | Keyword: switch power supply, integrated circuit | From:SeekIC

KA5L0380R is a single chip switch power supply integrated circuit of current mode, which is used in DVD players.1.the internal circuitKA5L0380R contains crystal clock circuit, power clamp sampling gating circuit, 5V regulated circuit, internal bias circuit, logic circuit, current limit circuit, over-voltage/current/heat and low voltage protection circuit, whose internal circuit is shown in figure 1-1. 2.pin functions and dataKA5L0380R is packaged in two ways, on of them is 4-pin TO-220F type.



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