LM2840YMK-ADJL/NO.A

Marking：SF1B；Package：SOT-23-THIN；LM284x SIMPLE SWITCHER® 4.5-V to 42-V Input, 0.1-, 0.3-, or 0.6-A Output Step-Down DC/DC Regulator in Thin SOT

1Features 1•Inputvoltage4.5Vto42V •Outputcurrentoptionsof100mA,300mA,and 600mA •Feedbackpinvoltageof0.765V •550-kHz(X)or1.25-MHz(Y)switchingfrequency •LowshutdownIQ:16-μAtypical •Short-circuitprotected •Internallycompensated •Soft-startcircuitry

LM2840YMK-ADJL/NOPB

Marking：SF1B；Package：SOT-23-THIN；LM284x SIMPLE SWITCHER® 4.5-V to 42-V Input, 0.1-, 0.3-, or 0.6-A Output Step-Down DC/DC Regulator in Thin SOT

1Features 1•Inputvoltage4.5Vto42V •Outputcurrentoptionsof100mA,300mA,and 600mA •Feedbackpinvoltageof0.765V •550-kHz(X)or1.25-MHz(Y)switchingfrequency •LowshutdownIQ:16-μAtypical •Short-circuitprotected •Internallycompensated •Soft-startcircuitry

LM2840YMK-ADJLSLASHNO.A

Marking：SF1B；Package：SOT-23-THIN；LM284x SIMPLE SWITCHER® 4.5-V to 42-V Input, 0.1-, 0.3-, or 0.6-A Output Step-Down DC/DC Regulator in Thin SOT

1Features 1•Inputvoltage4.5Vto42V •Outputcurrentoptionsof100mA,300mA,and 600mA •Feedbackpinvoltageof0.765V •550-kHz(X)or1.25-MHz(Y)switchingfrequency •LowshutdownIQ:16-μAtypical •Short-circuitprotected •Internallycompensated •Soft-startcircuitry

LM2840YMK-ADJLSLASHNOPB

Marking：SF1B；Package：SOT-23-THIN；LM284x SIMPLE SWITCHER® 4.5-V to 42-V Input, 0.1-, 0.3-, or 0.6-A Output Step-Down DC/DC Regulator in Thin SOT

1Features 1•Inputvoltage4.5Vto42V •Outputcurrentoptionsof100mA,300mA,and 600mA •Feedbackpinvoltageof0.765V •550-kHz(X)or1.25-MHz(Y)switchingfrequency •LowshutdownIQ:16-μAtypical •Short-circuitprotected •Internallycompensated •Soft-startcircuitry