dual output digital multi-phase controller ir3567b www.irf.com | ? 2013 international rectifier august 1, 2013 | v1.04 1 features ? dual output 6+2 phase pwm controller ? easiest layout and fewest pins in the industry ? fully supports amd? svi1 & svi2 with dual ocp and intel? vr12 & vr12.5 ? complies with vr12.5 rev 1.3 requirement for svid register 15h to have <200 sec filter ? overclocking & gaming mode ? switching frequency from 200khz to 2mhz per phase ? ir efficiency shaping features including dynamic phase control and automatic power state switching ? ir adaptive transient algorithm (ata) on both loops minimizes output bulk capacitors and system cost ? auto-phase detection with auto-compensation ? per-loop fault protection: ovp, uvp, ocp, otp, cfp ? i2c/smbus/pmbus system interface for telemetry of temperature, voltage, current & power for both loops ? multiple time programming (mtp) with integrated charge pump for easy custom configuration ? compatible with ir atl and 3.3v tri-state drivers ? +3.3v supply voltage; -40c to 85c ambient operation ? pb -free, rohs, 7x7mm , 56 -pin, 0.4mm pitch qfn description the ir3567b is a dual-loop digital multi-phase buck controller designed for cpu voltage regulation and is fully compliant with amd? svi1 & svi2 and intel ? vr12 & vr12.5 specifications. the ir3567b includes ir s efficiency shaping technology to deliver exceptional efficiency at minimum cost across the entire load range. ir variable gate drive optimizes the mosfet gate drive voltage based on real-time load current. ir s dynamic phase control adds/drops active phases based upon load current and can be configured to enter 1-phase operation and diode emulation mode automatically or by command. irs unique adaptive transient algorithm (ata), based on proprietary non-linear digital pwm algorithms, minimizes output bulk capacitors and multiple time programmable (mtp) storage saves pins and enables a small package size. device configuration and fault parameters are easily defined using the ir digital power design center (dpdc) gui and stored in on- chip mtp. the ir3567b provides extensive ovp, uvp, ocp and otp fault protection and includes thermistor based temperature sensing with vrhot signal . the ir3567b includes numerous features like register diagnostics for fast design cycles and platform differentiation, simplifying vrd design and enabling fastest time- to - market (ttm) with set - and - forget methodology . applications ? amd? svi1 & svi2, intel? vr12 & vr12.5 based systems ? desktop & notebook cpu vrs ? high performance graphics processors ordering information base part number package type standard pack orderable part number form quantity ir35 67 b qfn 7 mm x 7 mm tape and reel 3000 ir3567bmxxyytrp 1 ir35 67 b qfn 7 mm x 7 mm tape and reel 3000 IR3567BMTRPBF ir35 67 b qfn 7 mm x 7 mm tray 2600 ir3567bmtypbf notes: 1. customer specific configuration file, where xx = cu stomer id and yy = configuration file (codes assigne d by ir marketing). downloaded from: http:///
dual output digital multi-phase controller ir3567b www.irf.com | ? 2013 international rectifier august 1, 2013 | v1.04 2 ordering information ir3567bm ? ? ? ? ? ? ? ? ? sm_alert# pwm5 isen2_l2 en vrtn rcsm isen5 isen4 isen3 pwm6 vsen sm_dio pwm4 pwrgd/ vrdy1 irtn3 irtn4 irtn2_l2 irtn5 rcsp tsen1 vrhot_icrit# pwm3 vinsen addr_prot v18 a rres vcc isen2 isen1 irtn1 irtn2 pwm2 pwm1 nc rcsm_l2 rcsp_l2 sm_clk cfp nc pwrok/en_l2/ inmode vrdy2 pwm2_l2 vrtn_l2 vsen_l2 57 gnd ir3567b 56 pin 7 x 7 qfn top view 55 51 53 48 54 50 52 47 49 56 46 45 43 44 1 2 7 8 5 6 3 4 10 9 12 11 14 13 16 20 18 23 17 21 19 24 22 15 25 26 28 27 42 41 36 35 38 37 40 39 33 34 31 32 29 30 isen 6 nc vargate pwm1_l2 isen1_l2 i rtn1_l2 irtn6 vddio/ sv_addr svt/ sv_alert sv_dio/ vidsel0 sv_clk/ vidsel1 tsne2/ vauxsen figure 1 : ir3567b pin diagram enlarged p/pbf C lead free tr C tape & reel / ty - tray yy C configuration file id xx C customer id package type (qfn) downloaded from: http:///
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