dual output digital multi-phase controller IR3564B ir3570b www.irf.com | ? 2013 international rectifier august 1, 2013 | v1.04 1 features ? dual output 4+1 and 3+2 phase pwm controllers ? 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 telemetryof 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 , 5x5mm, 40-pin, 0.4mm pitch qfn description the IR3564B/70b is a dual-loop digital multi-phase bu ck controller designed for cpu voltage regulation and is ful ly compliant with amd? svi1 & svi2 and intel? vr12 & vr12.5 specifications. the IR3564B/70b includes ir s efficiency shaping technology to deliver exceptional efficiency at minimum cost across the entire load range. 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. ir s 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 IR3564B/70b provides extensive ovp, uvp, ocp and otp fault protection and includes thermistor based temperature sensing with vrhot signal . the IR3564B/70b includes numerous features like register diagnostics for fast design cycles and platform differentiation, simplifying vrd design and enabling fastest time- to -mar ket (ttm) with set - and - forget methodology. applications ? amd? svi1 & svi2, intel? vr12 & vr12.5 based systems ? desktop & notebook cpu vrs ? gpu & memory vrs ordering information base part number package type standard pack orderable part number form quantity IR3564B ir3570b qfn 5 mm x 5 mm tape and reel 3000 IR3564Bmxxyytrp 1 r3570bmxxyytrp 1 IR3564B ir3570b qfn 5 mm x 5 mm tape and reel 3000 IR3564Bmtrpbf ir3570bmtrpbf IR3564B ir3570b qfn 5 mm x 5 mm tray 4900 IR3564Bmtypbf ir3570bmtypbf 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 IR3564B ir3570b www.irf.com | ? 2013 international rectifier august 1, 2013 | v1.04 2 ordering information IR3564Bm ir3570bm ? ? ? ? ? ? ? ? ? pwm1_l2 vrtn rcsm vsen pwm4 2 /pwm2_l2 1 pwrgd/ vrdy1 rcsp tsen1 pwm3 v18a rres vcc pwm2 pwm1 rcsm_l2 rcsp_l2 pwrok/en_l2/ inmode vrdy2 vrtn_l2 vsen_l2 1 2 7 8 5 6 3 4 10 9 30 29 24 23 26 25 28 27 21 22 41 gnd ir3570b/IR3564B 40 pin 5x5 qfn top view 12 16 14 19 13 17 15 20 18 11 39 35 37 32 38 34 36 31 33 40 irtn1 isen1 irtn1_l2 irtn2 isen2 irtn3 isen3 isen1_l2 isen4 2 /isen2_l2 1 vrhot_icrit# en addr_prot sm_dio sm_clk sv_dio/ vidsel0 sv_clk/ vidsel1 svt/ sv_alert vddio/ sv_addr vinsen irtn4 2 /irtn2_l2 1 1 = ir3570b 2 = IR3564B figure 1 : IR3564B/70b 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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