LM2576-5.0WU 开关稳压器 Conv DC-DC 4V to 40V Step Down Single-Out 5V 3A 6-Pin(5+Tab) TO-263 Tube
LM2575-3.3WU-TR 开关稳压器 Conv DC-DC 4V to 40V Step Down Single-Out 3.3V 1A 6-Pin(5+Tab) TO-263 T/R
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