DSASW00231559.pdf by Leshan Radio Company

Partial File Text LESHAN RADIO COMPANY, LTD. LR2257 AC/DC Current Mode PWM power management controller The LR2257 AC--DC is a high efficiency current-mode PWM power supply controller that drives an internal NPN
Datasheet Type Original
RoHS Unknown
Pb Free Unknown
Lifecycle Unknown

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1N4148 1N5817 330UF 400V 4.7uF 400V ac PWM 220v D2257 EN55022A LR2257 maxim 1909 pc817a TL431