AP2301A/AP2311A 2.0A SINGLE CHANNEL CURRENT-LLIIMMIITTEEDD PPOOWWEERR SSWWIITTCCHH Description Pin Assignments The AP2301A and AP2311A aarree ssiinnggllee cchhaannnneell, current-limited, (((( TTTTTTTToooooooopppppppp VVVVVVVViiiiiiiieeeeeeeewwwwwwww )))) integrated high-ssiiddee ppoowweerr sswwiittcchheess ooppttiimmiizzeedd ffoorr UUnniivveerrssaall SSeerriiaall GND 1 8 NC Bus (USB) and other hot-sswwaapp aapppplliiccaattiioonnss.. TThhee ffaammiillyy ooff ddeevviicceess ccoommpplliieess wwiitthh UUSSBB ssttaannddaarrddss aanndd iiss aavvaaiillaabbllee wwiitthh bbootthh ppoollaarriittiieess ooff IN 2 7 OUT Enable input. IN 3 6 OUT The devices have fast short-circuit resppoonnssee ttiimmee ffoorr iimmpprroovveedd oovveerraallll EN 4 5 FLG ssyysstteemm rroobbuussttnneessss,, aanndd hhaavvee iinntteeggrraatteedd oouuttppuutt ddiisscchhaarrggee ffuunnccttiioonn ttoo SSSSOOOO----8888 ensure ccoommpplleetteellyy ccoonnttrroolllleedd ddiisscchhaarrggiinngg ooff tthhee oouuttppuutt vvoollttaaggee ccaappaacciittoorr.. TThheeyy pprroovviiddee aa ccoommpplleettee pprrootteeccttiioonn ssoolluuttiioonn ffoorr aapppplliiccaattiioonnss ( TToopp VViieeww ) subject to heavy capacciittiivvee llooaaddss aanndd tthhee pprroossppeecctt ooff sshhoorrtt cciirrccuuiitt,, 1 8 GND NC and offer reverse current blocking, over-ccuurrrreenntt,, oovveerr-temperature 7 IN 2 OUT and short-cciirrccuuiitt pprrootteeccttiioonn,, aass wweellll aass ccoonnttrroolllleedd rriissee ttiimmee aanndd uunnddeerr- 6 3 OUT IN voltage lockout functionality. A 7ms ddeegglliittcchh ccaappaabbiilliittyy oonn tthhee ooppeenn- 4 EN 5 FLG drain Flag output prevents false over-ccuurrrreenntt rreeppoorrttiinngg aanndd ddooeess nnoott require any external components. MMSSOOPP--88 //MMSSOOPP--88EEPP Note: llaatttteerr wwiitthh eexxppoosseedd ppaadd (ddootttteedd lliinnee) All devices are available in SO-8, MSOP-88,, MMSSOOPP-8EP, U-DFN3030- 8 and U-DFN2020-6 packages. ((TToopp VViieeww)) GND 1 8 Features NC 2 7 OUT IN Single Channel Current-Limited Power Swwiittcchh OUT IN 3 6 Output Discharge Function FLG Fast Short-Circuit Response Time: 2s EN 4 5 2.5A Accurate Current Limiting UU--DDFFNN33003300--88 TTyyppee EE Reverse Current Blocking 70m on-Resistance Input Voltage Range: 2.7V - 5.5V Built-in Soft-Start with 0.6ms Typical Rise TTime Over-Current and Thermal Protection Fault Report (FLG) with Blanking Tiimmee ((77mmss ttyypp)) ESD Protection: 2kV HBM, 200V MM Ambient Temperature Range: -40C to +85C SO-8, MSOP-8, MSOP-8EP, U-DFN3030-88 and U-DFN2020-6: U-DDFFNN22002200-6 Available in Green Molding CCoommppoouunndd ((NNoo BBrr,, SSbb)) Totally Lead-Frreeee && FFuullllyy RRooHHSS CCoommpplliiaanntt ((NNootteess 11 && 22)) HHaallooggeenn aanndd AAnnttiimmoonnyy FFrreeee.. GGrreeeenn DDeevviiccee ((NNoottee 33)) Applications UL Recognized, File Number E322375 LCD TVs & Monitors IEC60950-1 CB Scheme Certified Set-Top-BBooxxeess,, RReessiiddeennttiiaall GGaatteewwaayyss Laptops, Desktops, Servers, E-RReeaaddeerrss,, Printers, Docking Stations, HUBs Notes: 1. NNoo ppuurrppoosseellyy aaddddeedd lleeaadd.. FFuullllyy EEUU DDiirreeccttiivvee 22000022//9955//EECC ((RRooHHSS)) && 22001111//6655//EEUU (RoHS 2) compliant. 2. SSeeee hhttttpp::////wwwwww..ddiiooddeess..ccoomm//qquuaalliittyy//lleeaadd ffrreeee..hhttmmll ffoorr mmoorree iinnffoorrmmaattiioonn aabboouutt DDiiooddeess IInnccoorrppoorraatteeddss ddeeffiinniittiioonnss ooff HHaallogen- and Antimony-free,Gree and Lead-free. 3. Halogen- and Antimony-ffrreeee GGrreeeenn pprroodduuccttss aarree ddeeffiinneedd aass tthhoossee wwhhiicchh ccoonnttaaiinn <<990000ppppmm bbrroommiinnee,, <<990000ppppmm cchhlloorriinnee ((<<11550000ppppmm ttoottaall BBrr ++ CCll)) aanndd <1000ppm antimony compounds. 1 of 17 March 2015 AP2301A/AP2311A Diodes Incorporated www.diodes.com Document number: DS37743 Rev. 1 - 2 AP2301A/AP2311A Typical Applications Circuit Enable Active High IN Load Power Supply OUT 2.7V to 5.5V 0.1uF 0.1uF 10k 120uF FLG EN GND ON OFF Available Options Recommended Maximum Typical Current Part Number Channel Enable Pin (EN) Package Continuous Load Current (A) Limit (A) SO-8 AP2301A 1 Active Low MSOP-8 2A 2.5A MSOP-8EP U-DFN3030-8 AP2311A 1 Active High U-DFN2020-6 Pin Descriptions Pin Number Pin Function SO-8, MSOP-8EP, Name U-DFN2020-6 MSOP-8 U-DFN3030-8 GND 1 1 2 Ground 1 Voltage Input Pin Connect a 0.1F or larger ceramic capacitor from IN to GND as close IN 2, 3 2, 3 as possible. (all IN pins must be tied together externally) EN 4 4 3 Enable input, active low (AP2301A) or active high (AP2311A) 4 Over-temperature and over-current fault reporting with 7ms deglitch active low open- FLG 5 5 drain output. FLG is disabled for 7ms after turn-on. OUT 6, 7 6, 7 5 Voltage Output Pin All OUT pins must be tied together externally. 6 NC: NC 8 8 No Internal Connection recommend tie to OUT pins Exposed pad. Exposed Exposed Exposed It should be externally connected to GND and thermal mass for enhanced thermal Pad Pad Pad impedance. It should not be used as electrical ground conduction path. 2 of 17 March 2015 AP2301A/AP2311A Diodes Incorporated www.diodes.com Document number: DS37743 Rev. 1 - 2