PKS603-607
PeakSwitch® Family
Enhanced, Energy-Efficient, Off-Line Switcher
IC With Super Peak Power Performance
Product Highlights
EcoSmart®– Extremely Energy-Efficient
•ꢀ Standbyꢀoutputꢀpowerꢀ≥0.6ꢀWꢀforꢀ1ꢀWꢀinputꢀ(highꢀline)ꢀ
•ꢀ Sleepꢀmodeꢀpowerꢀ≥2.4ꢀWꢀatꢀ3ꢀWꢀinputꢀ(highꢀline)
•ꢀ No-loadꢀconsumptionꢀ<200ꢀmWꢀatꢀ265ꢀVACꢀinput
•ꢀ SurpassesꢀCaliforniaꢀEnergyꢀCommissionꢀ(CEC),ꢀ
ENERGYꢀSTAR,ꢀandꢀEUꢀrequirements
+
AC
IN
DC
OUT
PeakSwitch Features Reduce System Cost
•ꢀ Deliversꢀpeakꢀpowerꢀofꢀupꢀtoꢀthreeꢀtimesꢀmaximumꢀ
Optional Smart
AC Sense
D
S
EN/UV
BP
continuousꢀoutputꢀpower
•ꢀ 277ꢀkHzꢀoperationꢀduringꢀpeakꢀpowerꢀsignificantlyꢀ
reducesꢀtransformerꢀsize
PeakSwitch
•ꢀ ProgrammableꢀsmartꢀACꢀlineꢀsensingꢀprovidesꢀlatchingꢀ
shutdownꢀduringꢀshortꢀcircuit,ꢀoverloadꢀandꢀopenꢀloopꢀ
faults,ꢀandꢀpreventsꢀglitchesꢀduringꢀpowerꢀdownꢀorꢀ
brownout
PI-3995-051006
Figure 1. Typical Peak Power Application.
•ꢀ TwoꢀexternalꢀcomponentsꢀresetꢀlatchꢀonꢀACꢀremoval
•ꢀ Adaptiveꢀswitchingꢀcycleꢀon-timeꢀextensionꢀincreasesꢀlowꢀ
lineꢀpeakꢀoutputꢀpower,ꢀminimizingꢀbulkꢀcapacitorꢀsize
•ꢀ Adaptiveꢀcurrentꢀlimitꢀreducesꢀoutputꢀoverloadꢀpowerꢀ
•ꢀ FrequencyꢀjitteringꢀreducesꢀEMIꢀfilterꢀcost
•ꢀ TightꢀI2fꢀtolerancesꢀandꢀnegligibleꢀtemperatureꢀvariationꢀ
ofꢀkeyꢀparametersꢀeaseꢀdesignꢀandꢀlowerꢀcost
•ꢀ Accurateꢀhystereticꢀthermalꢀshutdownꢀwithꢀautomaticꢀ
recoveryꢀprovidesꢀcompleteꢀsystemꢀlevelꢀoverloadꢀ
protectionꢀandꢀeliminatesꢀneedꢀforꢀmanualꢀreset
OUTPUT POWER TABLE
230 VAC ±15%
85-265 VAC
PRODUCT3
Adapter Adapter Adapter Adapter
Cont.1
13 W
23 W
35 W
31 W
46 W
35 W
68 W
75 W
Peak2
32 W
56 W
56 W
60 W
79 W
66 W
117 W
126 W
Cont.1
Peak2
25 W
44 W
44 W
44 W
58 W
46 W
86 W
93 W
PKS603 P
PKS604 P
PKS604 Y/F
PKS605 P
PKS605 Y/F
PKS606 P
PKS606 Y/F
PKS607 Y/F
9 W
16 W
23 W
21 W
30 W
25 W
45 W
50 W
Better System Cost/Performance over RCC & Discrete
•ꢀ SimpleꢀON/OFFꢀcontrolꢀ–ꢀnoꢀloopꢀcompensationꢀneeded
•ꢀ Veryꢀlowꢀcomponentꢀcountꢀ–ꢀhigherꢀreliabilityꢀandꢀsingleꢀ
sideꢀprintedꢀcircuitꢀboard
•ꢀ Highꢀbandwidthꢀprovidesꢀfastꢀturnꢀonꢀwithꢀnoꢀovershootꢀ
andꢀexcellentꢀtransientꢀloadꢀresponse
Table 1.ꢀ
•ꢀ Peakꢀcurrentꢀlimitꢀoperationꢀrejectsꢀlineꢀfrequencyꢀripple
•ꢀ Built-inꢀcurrentꢀlimitꢀandꢀhystereticꢀthermalꢀprotection
Notes:
1. Typical continuous power in a non-ventilated enclosed adapter
measured at +50 °C ambient.
Applications
•ꢀ Inkjetꢀprinter
•ꢀ Dataꢀstorage,ꢀaudioꢀamplifier,ꢀDCꢀmotorꢀdrives
2. Typical peak power for a period of 100 ms and a duty cycle of
10% in a non-ventilated enclosed adapter measured at +50 °C
(see Key Applications section for details).
3. See Part Ordering Information.
Description
andꢀthermalꢀshutdownꢀontoꢀaꢀmonolithicꢀdevice.ꢀInꢀaddition,ꢀ
theseꢀdevicesꢀincorporateꢀauto-restart,ꢀlineꢀunder-voltageꢀsenseꢀ
andꢀfrequencyꢀjittering.ꢀAnꢀinnovativeꢀdesignꢀminimizesꢀaudioꢀ
frequencyꢀcomponentsꢀinꢀtheꢀsimpleꢀON/OFFꢀcontrolꢀschemeꢀ
toꢀpracticallyꢀeliminateꢀaudibleꢀnoiseꢀwithꢀstandardꢀvarnishedꢀ
transformerꢀconstruction.ꢀ
PeakSwitchꢀisꢀdesignedꢀtoꢀaddressꢀapplicationsꢀwithꢀhighꢀpeak-
to-continuousꢀpowerꢀratioꢀdemands.ꢀTheꢀveryꢀhighꢀswitchingꢀ
frequencyꢀduringꢀpeakꢀpowerꢀloadsꢀandꢀexcellentꢀloadꢀtransientꢀ
responseꢀreduceꢀsystemꢀcostꢀasꢀwellꢀasꢀcomponentꢀcountꢀandꢀsize.ꢀ
PeakSwitchꢀincorporatesꢀaꢀ700ꢀVꢀpowerꢀMOSFET,ꢀoscillator,ꢀ
highꢀvoltageꢀswitchedꢀcurrentꢀsourceꢀforꢀstartup,ꢀcurrentꢀlimit,ꢀ
February 2007