Version 4 SymbolType CELL RECTANGLE Normal -256 -544 1872 1024 TEXT 834 223 Center 2 LT WINDOW 0 836 -20 Center 2 WINDOW 3 842 468 Center 2 SYMATTR Value LTM4681 SYMATTR Prefix X SYMATTR Description Dual Output 50A Polyphase Step-Down Power Supply Module with Digital Power System Management\n\nNote: SDA, SCL, _Alert, Share_clk, WP, GPIOs, ASEL, TSNSs are not modeled SYMATTR ModelFile LTM4681.sub SYMATTR SpiceLine Vin01ON=5.5 Vin01OFF=5 Vo0=1 Vo1=1 ILM0=0 ILM1=0 OC0=1 OC1=1 Mode01=1 Fault01=0 Retry01=.1m gm0=3m gm1=3m Rth0=5K Rth1=5K Sync01=0 Fsw01=500K PH0=0 PH1=180 Ton0=.3m Ton0r=.5m Ton1=.3m Ton1r=.5m Toff0=.2m Toff0f=.3m Toff1=.2m Toff1f=.3m Vo0r=0 Vo1r=0 SYMATTR SpiceLine2 Vin23ON=5.5 Vin23OFF=5 Vo2=1 Vo3=1 ILM2=0 ILM3=0 OC2=1 OC3=1 Mode23=1 Fault23=0 Retry23=.1m gm2=3m gm3=3m Rth2=5K Rth3=5K Sync23=0 Fsw23=500K PH2=0 PH3=180 Ton2=.3m Ton2r=.5m Ton3=.3m Ton3r=.5m Toff2=.2m Toff2f=.3m Toff3=.2m Toff3f=.3m Vo2r=0 Vo3r=0 PIN -256 0 LEFT 8 PINATTR PinName Vosns0+ PINATTR SpiceOrder 1 PIN -256 96 LEFT 8 PINATTR PinName Vosns0- PINATTR SpiceOrder 2 PIN -256 -480 LEFT 8 PINATTR PinName VIN_Vbias PINATTR SpiceOrder 3 PIN -256 288 LEFT 8 PINATTR PinName Vout1 PINATTR SpiceOrder 4 PIN 320 1024 BOTTOM 8 PINATTR PinName Comp0a PINATTR SpiceOrder 5 PIN 464 1024 BOTTOM 8 PINATTR PinName Comp0b PINATTR SpiceOrder 6 PIN 1872 -384 RIGHT 8 PINATTR PinName Vin23 PINATTR SpiceOrder 7 PIN -256 -96 LEFT 8 PINATTR PinName Vout0 PINATTR SpiceOrder 8 PIN 32 1024 BOTTOM 8 PINATTR PinName Vtrim0_cfg PINATTR SpiceOrder 9 PIN 1616 1024 BOTTOM 8 PINATTR PinName Vtrim1_cfg PINATTR SpiceOrder 10 PIN 608 1024 BOTTOM 8 PINATTR PinName SYNC_01 PINATTR SpiceOrder 11 PIN 1872 768 RIGHT 8 PINATTR PinName IntVcc_23 PINATTR SpiceOrder 14 PIN 1872 864 RIGHT 8 PINATTR PinName VDD33_23 PINATTR SpiceOrder 15 PIN 1872 960 RIGHT 8 PINATTR PinName VDD25_23 PINATTR SpiceOrder 16 PIN -256 576 LEFT 8 PINATTR PinName Run0 PINATTR SpiceOrder 17 PIN -256 672 LEFT 8 PINATTR PinName Run1 PINATTR SpiceOrder 18 PIN 1024 -544 TOP 8 PINATTR PinName Fswph_23_cfg PINATTR SpiceOrder 19 PIN 608 -544 TOP 8 PINATTR PinName SYNC_23 PINATTR SpiceOrder 20 PIN 176 1024 BOTTOM 8 PINATTR PinName Vout0_cfg PINATTR SpiceOrder 21 PIN 1472 1024 BOTTOM 8 PINATTR PinName Vout1_cfg PINATTR SpiceOrder 22 PIN 1872 -192 RIGHT 8 PINATTR PinName SW2 PINATTR SpiceOrder 23 PIN 1040 1024 BOTTOM 8 PINATTR PinName Fswph_01_cfg PINATTR SpiceOrder 24 PIN -256 960 LEFT 8 PINATTR PinName VDD25_01 PINATTR SpiceOrder 25 PIN 1872 0 RIGHT 8 PINATTR PinName Vosns2+ PINATTR SpiceOrder 27 PIN -256 864 LEFT 8 PINATTR PinName VDD33_01 PINATTR SpiceOrder 28 PIN 1328 1024 BOTTOM 8 PINATTR PinName Comp1b PINATTR SpiceOrder 29 PIN 1184 1024 BOTTOM 8 PINATTR PinName Comp1a PINATTR SpiceOrder 30 PIN -256 480 LEFT 8 PINATTR PinName Vosns1- PINATTR SpiceOrder 31 PIN -256 384 LEFT 8 PINATTR PinName Vosns1+ PINATTR SpiceOrder 32 PIN 1760 1024 BOTTOM 8 PINATTR PinName PGood1 PINATTR SpiceOrder 33 PIN -256 192 LEFT 8 PINATTR PinName SW1 PINATTR SpiceOrder 34 PIN 1872 96 RIGHT 8 PINATTR PinName Vosns2- PINATTR SpiceOrder 35 PIN 320 -544 TOP 8 PINATTR PinName Comp2a PINATTR SpiceOrder 36 PIN 176 -544 TOP 8 PINATTR PinName Vout2_cfg PINATTR SpiceOrder 37 PIN -256 768 LEFT 8 PINATTR PinName IntVcc_01 PINATTR SpiceOrder 38 PIN -256 -384 LEFT 8 PINATTR PinName Vin01 PINATTR SpiceOrder 39 PIN 880 -544 TOP 8 PINATTR PinName Vbias PINATTR SpiceOrder 40 PIN 896 1024 BOTTOM 8 PINATTR PinName PGND PINATTR SpiceOrder 41 PIN 1872 576 RIGHT 8 PINATTR PinName Run2 PINATTR SpiceOrder 42 PIN 1872 672 RIGHT 8 PINATTR PinName Run3 PINATTR SpiceOrder 43 PIN 1872 192 RIGHT 8 PINATTR PinName SW3 PINATTR SpiceOrder 44 PIN -256 -192 LEFT 8 PINATTR PinName SW0 PINATTR SpiceOrder 45 PIN 1168 -544 TOP 8 PINATTR PinName Comp3a PINATTR SpiceOrder 46 PIN 1456 -544 TOP 8 PINATTR PinName Vout3_cfg PINATTR SpiceOrder 47 PIN -112 1024 BOTTOM 8 PINATTR PinName PGood0 PINATTR SpiceOrder 48 PIN 752 1024 BOTTOM 8 PINATTR PinName SGND PINATTR SpiceOrder 49 PIN 752 -544 TOP 8 PINATTR PinName Runp PINATTR SpiceOrder 51 PIN -256 -288 LEFT 8 PINATTR PinName SVin_01 PINATTR SpiceOrder 52 PIN 464 -544 TOP 8 PINATTR PinName Comp2b PINATTR SpiceOrder 53 PIN 1312 -544 TOP 8 PINATTR PinName Comp3b PINATTR SpiceOrder 54 PIN 1872 384 RIGHT 8 PINATTR PinName Vosns3+ PINATTR SpiceOrder 55 PIN 1872 480 RIGHT 8 PINATTR PinName Vosns3- PINATTR SpiceOrder 56 PIN -112 -544 TOP 8 PINATTR PinName PGood2 PINATTR SpiceOrder 57 PIN 1744 -544 TOP 8 PINATTR PinName PGood3 PINATTR SpiceOrder 58 PIN 1872 -96 RIGHT 8 PINATTR PinName Vout2 PINATTR SpiceOrder 59 PIN 1872 288 RIGHT 8 PINATTR PinName Vout3 PINATTR SpiceOrder 60 PIN 32 -544 TOP 8 PINATTR PinName Vtrim2_cfg PINATTR SpiceOrder 61 PIN 1600 -544 TOP 8 PINATTR PinName Vtrim3_cfg PINATTR SpiceOrder 62 PIN 1872 -288 RIGHT 8 PINATTR PinName SVin_23 PINATTR SpiceOrder 63