List of figures

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List of figures

Figure 1: Basic application schematic ........................................................................................................1

Figure 2: Connection diagram ....................................................................................................................5

Figure 3: RthJA/(RthJA@A=100 mm²) ............................................................................................................7

Figure 4: IDLIM vs TJ ...................................................................................................................................12

Figure 5: FOSC vs TJ...................................................................................................................................12

Figure 6: VHV_START vs TJ ...........................................................................................................................12

Figure 7: VFB_REF vs TJ ..............................................................................................................................12

Figure 8: Quiescent current Iq vs TJ .........................................................................................................12

Figure 9: Operating current ICC vs TJ ........................................................................................................12

Figure 10: ICH1 vs TJ ..................................................................................................................................13

Figure 11: ICH1 vs VDRAIN............................................................................................................................13

Figure 12: ICH2 vs TJ ..................................................................................................................................13

Figure 13: ICH2 vs VDRAIN............................................................................................................................13

Figure 14: ICH3 vs TJ ..................................................................................................................................13

Figure 15: ICH3 vs VDRAIN............................................................................................................................13

Figure 16: GM vs TJ ...................................................................................................................................14

Figure 17: ICOMP vs TJ................................................................................................................................14

Figure 18: RDS(on) vs TJ..............................................................................................................................14

Figure 19: Static drain-source on-resistance ............................................................................................14

Figure 20: VBVDSS vs TJ .............................................................................................................................14

Figure 21: Output characteristic................................................................................................................14

Figure 22: SOA SSOP10 package ...........................................................................................................15

Figure 23: Maximum avalanche energy vs TJ...........................................................................................15

Figure 24: Block diagram ..........................................................................................................................16

Figure 25: IC supply modes: self-supply and external supply ..................................................................17

Figure 26: Power-ON and power-OFF......................................................................................................18

Figure 27: Soft startup ..............................................................................................................................19

Figure 28: Pulse-skipping during startup ..................................................................................................20

Figure 29: Short-circuit condition ..............................................................................................................22

Figure 30: Connection for input overvoltage protection (isolated or non-isolated topologies) .................23

Figure 31: Connection for output overvoltage protection (non-isolated topologies) .................................24

Figure 32: Thermal shutdown timing diagram ..........................................................................................25

Figure 33: Flyback converter (non-isolated) .............................................................................................26

Figure 34: Flyback converter with line OVP (non-isolated) ......................................................................26

Figure 35: Flyback converter (isolated) ....................................................................................................27

Figure 36: Primary side regulation isolated flyback converter ..................................................................27

Figure 37: Buck converter (positive output) ..............................................................................................28

Figure 38: Buck-boost converter (negative output) ..................................................................................28

Figure 39: PIN versus VIN in no-load, VOUT = 5 V.......................................................................................29

Figure 40: PIN versus VIN in light load, VOUT = 5 V ....................................................................................29

Figure 41: Recommended routing for flyback converter...........................................................................31

Figure 42: Recommended routing for buck converter ..............................................................................31

Figure 43: SSOP10 package outline ........................................................................................................32

Figure 44: SSOP10 recommended footprint.............................................................................................33