r03ds0032ej0200 rev.2.00 page 1 of 8 mar 05, 2012 preliminary datasheet R2A20131SP continuous conduction mode pfc control ic description the r2a20131 is power factor correction control ic of continuous conduction mode. the r2a20131 is built in load tracing boost, brownout, ov er voltage protection, over current protection, feedback loop open detection and power good function. load tracing boost function bring improvement of effi ciency at light load w ith few external parts. the feedback loop open detection, and over current protection are built in the r2a20131, and can constitute a power supply system of high reliability with few external parts. power good function monitors pfc output voltage and can adjust no-good level. features ? absolute maximum ratings ? supply voltage vcc: 24 v ? operating junction temperature tjopr: ?40 to +150c ? electrical characteristics ? error amplifier reference voltage vfb: 2.51 v ? 1.5% ? uvlo operation start voltage vuvlh: 10.5 v ? 0.7 v ? uvlo operation shutdown voltage vuvll: 9.3 v ? 0.5 v ? uvlo hysteresis voltage hysuvl: 1.2 v ? 0.5 v ? functions ? boost converter control with continuous conduction mode ? load tracing boost (ltb) function: vout is decreased at light load and ac 100 v system. ? brownout function ? over voltage protection ? feedback loop open detection ? over current protection ? power good information (open drain output) ? package: pb-free sop-16 this device uses halogen-free molding compound ordering information part no. package name package code package abbreviation taping abbreviation (quantity) R2A20131SP#w0 ? prsp0016dh-b sp w (2,000 pcs/reel) r03ds0032ej0200 rev.2.00 mar 05, 2012
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 2 of 8 mar 05, 2012 pin arrangement (top view) 1 2 3 4 5 6 7 8 vcc gd gnd cs comp cso pfc_in fb 16 15 14 13 12 11 10 9 ltb_cap pg_out ltb_res1 ltb_res2 rt bo delay ct pin functions pin no. pin name input/output function 1 ltb_cap input load tracing boost stability capacitor connection terminal 2 pg_out output power good ou tput terminal for house keeping 3 ltb_res1 output load tracing boost adjust resistor connection terminal1 4 ltb_res2 output load tracing boost adjust resistor connection terminal2 5 rt input/output oscillator frequency setting and internal bias cu rrent setting terminal 6 bo input brownout input terminal 7 delay input/output pg_out on delay adjustable terminal 8 ct output oscillator frequency setting terminal 9 fb input error amplifier input terminal 10 pfc_in input power good detection terminal 11 cso output current amplifier output terminal 12 comp output error amplifier output terminal 13 cs input current detection terminal 14 gnd ? ground 15 gd output power mosfet drive terminal 16 vcc input supply voltage terminal
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 3 of 8 mar 05, 2012 block diagram 2.51v e-amp uvl cs_amp ocp vref current source uvl 10 ltb_cap rt pg_out pfc_in powergood block brown-out block protection block driver block on duty < 5% ct osc uvl ramp block ltb block 5 cs 13 vcc 16 ct 8 cso 11 gd 15 fb 9 comp 12 10 gnd 14 bo 6 1 ltb_res1 3 ltb_res2 4 delay 7 2 ? + + ? ?0.3 v vref uvl ? + 4.3v
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 4 of 8 mar 05, 2012 absolute maximum ratings (ta = 25c) item symbol ratings unit note supply voltage vcc ?0.3 to +24 v gd sink current isnk-gd 1.2 a 3 gd source current isrc-gd ?0.8 a 3 gd dc sink current idc-snk-gd 0.12 a gd dc source current idc-src-gd ?80 ma cs terminal voltage vt-cs ?5 to +0.3 v bo terminal current ibom 300 ? a rt terminal current irt ?200 ? a comp terminal current icomp ? 1 ma ltb_res terminal current iltb_res ?100 ? a pg_out terminal current ipg_out 25 ma terminal voltage vt-group ?0.3 to +5.5 v 4 terminal voltage2 vt-group2 ?0.3 to vcc v 5 terminal voltage3 vt-group3 ?0.3 to +24 v 6 power dissipation pt 1 w 7 operating junction temperatur e tj-opr ?40 to +150 c storage temperature tstg ?55 to +150 c notes: 1. rated voltages are with reference to the gnd terminal. 2. for rated currents, inflow to the ic is indicated by (+), and outflow by (?). 3. shows the transient current when driving a capacitive load. 4. this is the rated voltage for the following pins: fb, comp, bo, rt, ct, ltb_cap, ltb_ res1, ltb_res2, cso, pfc_in, delay 5. this is the rated voltage for the following pin: gd 6. this is the rated voltage for the following pin: pg_out 7. in case of R2A20131SP (sop): ? ja = 120c/w this value is a thing mounting on 40 ? 40 ? 1.6 [mm], a glass epoxy bo ard of wiring density 10%.
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 5 of 8 mar 05, 2012 electrical characteristics (ta = 25c, vcc = 12 v, rt = 33 k ? , pfc_in = gnd, ct = 470 pf, cs = gnd, fb = comp, bo = 4 v, ltb_res1 = 33 k ? , ltb_res2 = 33 k ? ) item symbol min typ max unit test conditions uvlo turn-on threshold vuvlh 9.8 10.5 11.2 v uvlo turn-off threshold vuvll 8.8 9.3 9.8 v uvlo hysteresis hysuvl 0.7 1.2 1.7 v standby current istby ? 100 180 ? a vcc = 8.9 v supply operating current icc ? 2.5 4 ma bo threshold voltage vbo 1.35 1.40 1.45 v bo pin hysteresis current ibo (3.3) ? 0.92 (3.3) (3.3) ? 1.08 ? a bo = 1 v, rt = 33 k ? brownout bo pin current ibo2 0.05 0.15 0.4 ? a bo = 2 v feedback voltage vfb 2.472 2.51 2.548 v fb-comp short input bias current ifb ?0.4 ?0.15 ?0.05 ? a measured pin: fb fb = 3 v open loop gain av ? 50 ? db *1 upper clamp voltage vclamp_comp 4.0 4.3 ? v fb = 2.0 v comp: open low voltage vl-comp ? 0.1 0.3 v fb = 3.0 v comp: open error amplifier transconductance gm 100 180 270 ? s fb = 2.5 v comp: 2.5 v initial accuracy fgd 58.5 65 71.5 khz measured pin: gd fout temperature stability dfout/dta ? ? 0.1 ? %/c ta = ?40 to 125c * 1 fout voltage stability f out-line ?1.5 0.5 1.5 % vcc = 12 v to 18 v oscillator rt voltage vrt 1.595 1.65 1.705 v ocp threshold voltage vocp ?0.315 ?0.3 ?0.285 v over current protection cs bias current ics ?130 ?100 ?60 ? a measured pin: cs current amp cso output voltage v-cso 0.8 1 1.2 v cs = ?0.1 v source current iltb (?21.2) ? 1.05 (?21.2) (?21.2) ? 0.95 ? a bo = 2v, ltb_cap = 0 v fb = 2.5 v, pfc_in = 3 v measure pin: fb high threshold voltage vltb-hi 3. 2 3.6 4.0 v measured pin: bo load tracing boost low threshold voltage vltb-lo 2.9 3.2 3.5 v pfc_in threshold voltage 1 vpfc_in1 2.42 2.5 2.58 v pfc_in hysteresis current ipfc_in1 (?10) ? 1.08 (?10) (?10) ? 0.92 ? a pfc_in = 3 v, rt = 33 k ? pfc_in current ipfc_in2 ?0.4 ?0.15 ?0.05 ? a pfc_in = 2 v pg out leak current ipgh ? ? 5 ? a pfc_in = gnd vpg_out = 5 v power good function pg out low voltage vpgl ? ? 0.4 v pfc_in = 3 v pg out sink current = 20 ma note: * 1 design spec
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 6 of 8 mar 05, 2012 electrical characteristics (cont.) (ta = 25c, vcc = 12 v, rt = 33 k ? , pfc_in = gnd, ct = 470 pf, cs = gnd, fb = comp, bo = 4 v, ltb_res1 = 33 k ? , ltb_res2 = 33 k ? ) item symbol min typ max unit test conditions gate drive rise time tr-gd ? 30 100 ns gd: 1.2 v to 10.8 v cl = 1000 pf gate drive fall time tf-gd ? 30 100 ns gd: 10.8 v to 1.2 v cl = 1000 pf vol1-gd ? 0.02 0.1 v isink = 2 ma gate drive low voltage vol2-gd ? 0.01 0.2 v isink = 1 ma, vcc = 5 v gate drive high voltage voh-gd 11.5 11.9 ? v isource = ?2 ma maximum duty dmax 90 95 98 % comp: open, fb = 2 v cso = gnd gate drive minimum duty dmin ? ? 0 % fb = 2.5 v comp: gnd ovp threshold voltage vovp vfb ? 1.065 vfb ? 1.080 vfb ? 1.095 v comp = 2.5 v ovp hysteresis hys-ovp 50 100 150 mv comp = 2.5 v over voltage protection fb low detect threshold voltage vfblow 0.25 0.3 0. 35 v comp = 2.5 v delay threshold voltage vdelay 2.85 3 3.15 v pfc-in = 3 v pg on delay delay charge current ichrg-delay ?7 ?5 ?3 ? a delay = 2.5 v, pfc-in = 3 v note: * 1 design spec
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 7 of 8 mar 05, 2012 system diagram to dr1 l1 vout dr1 cout cin rfb2 (ex.6m) rfb1 aux. supply rpfc2 (ex.6m) rpfc1 rbo (ex.6m) 2.51v e-amp uvl cs_amp ocp vref current source uvl 10 ltb_cap rt pg_out pfc_in powergood block brown-out block protection block driver block on duty < 5% ct osc uvl ramp block ltb block 5 cs 13 vcc 16 ct 8 cso 11 gd 15 fb 9 comp 12 10 gnd 14 bo 6 1 ltb_res1 3 ltb_res2 4 delay 7 2 ? + + ? ?0.3 v vref uvl ? + 4.3v + d1 +
R2A20131SP preliminary r03ds0032ej0200 rev.2.00 page 8 of 8 mar 05, 2012 package dimensions note) 1. dimensions"*1 (nom)"and" *2" do not include mold flash. 2. dimension"*3"does not include trim offset. 10.06 1.15 0.12 0 8 7.80 0.15 0.20 0.25 0.46 0.00 0.10 0.20 5.50 0.50 0.70 0.90 2.20 reference symbol dimension in millimeters min nom max 10.5 e h e l a d e a 2 a 1 b p b 1 c x y z l 1 c 1 0.34 0.40 8.00 7.50 1.27 0.15 0.80 previous code jeita package code renesas code prsp0016dh-b fp-16dav mass[typ.] 0.24g p-sop16-5.5x10.06-1.27 terminal cross section ( ni/pd/au plating ) c detail f l y s s index mark f *3 mx 9 16 18 *2 *1 a e z e d l 1 a 1 b p b p h e
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