Adjusted to ꢀ.ꢃ V out - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ2ꢀxꢀ22ꢀµF,ꢀOutputꢀfilterꢀ1ꢀxꢀ150ꢀµF
Output Ripple
Turn Off
Outputꢀvoltageꢀrippleꢀ(20mV/div.)ꢀatꢀTref=+25ꢀ°C,ꢀVin=3.3ꢀV,ꢀꢀ
Turn-offꢀatꢀIO=16ꢀAꢀresistiveꢀloadꢀatꢀTref=+25ꢀ°C,ꢀ
Vin=3.3ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(2ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
IO=16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidth=5MHz.ꢀ
Timeꢀscale:ꢀ2µsꢀ/ꢀdiv.
Transient with 1ꢃ0 µFꢀoutputꢀcapacitor
Transient with ꢁ00 µFꢀoutputꢀcapacitor
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ3.3ꢀV.ꢀdI/dtꢀ=ꢀ5A/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ3.3ꢀV.ꢀdI/dtꢀ=ꢀ5A/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
ꢀ0
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ049ꢀR4Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMBꢀ4518TꢀWPꢀDatasheet
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