R2A20111SP_09

R2A20111SP Power Factor Correction Controller IC REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Description The R2A20111 is a power-factor correction (PFC) controller IC. This IC adopts continuous conduction mode as PFC operation. Various functions such as constant power limit, overvoltage detection, overcurrent detection, soft start, feedback-loop disconnection detection, and holding function of PFC operation through momentary outage (PFC hold function) are incorporated in a single chip. These functions reduce external circuitry. The constant power limit function allows to eliminate a significant amount of coil noise which is generated due to overcurrent detection operation in case of conventional overload. The PFC hold function enables quick recovery by continuing PFC operation after momentary outage. The hold time can be adjusted by an external capacitance. Overcurrent detection pin is separately provided. Latch mode shutdown function is incorporated. A soft-start control pin provides for the easy adjustment of soft-start operation, and can be used to prevent overshooting of the output voltage. Features • Maximum ratings ⎯ Power-supply voltage Vcc: 24 V ⎯ Operating junction temperature Tjopr: – 40 to 125°C • Electrical characteristics ⎯ VREF output voltage VREF: 5.0 V ± 3% ⎯ UVLO operation start voltage VH: 10.5 ± 0.9 V ⎯ UVLO operation stop voltage VL: 9.0 ± 0.7 V ⎯ PFC output maximum ON duty Dmax-out: 95% (typ.) • Functions ⎯ Constant power limit function ⎯ Continuous conduction mode ⎯ Hold function of PFC operation on momentary outage (PFC hold function) ⎯ Overvoltage detection ⎯ Overcurrent detection ⎯ Soft start ⎯ Feedback loop disconnection detection ⎯ IC shutdown function ⎯ Package lineup: SOP-16 Applications • • • • Flat panel display Projector Desktop PC White goods Ordering Information Part No. R2A20111SPW0 Package Name FP-16DAV Package Code PRSP0016DH-B Taping Spec. 2000 pcs./one taping product REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 1 of 7 R2A20111SP System Diagram Rec+ 150 μH B+ 680k To FB 680k B+ OUT (385V dc) T1 Q1 Rec– From OUT 470μF ×2 (450V) from auxiliary 24V 4.7μ VRB1 GND VCC 16 62k RT 9 VREF 5V Internal Bias 3.6V 0.65V 27.5V H L 10.5V UVLO 9.0V 5V VREF Generator 6 VREF In GOOD Out VREF 0.1μ CT 10 390p UVL VREF CAO 6800p 2.2k 7 470p Logic Gate Driver +/– 1.0A (PEAK) To Q1 gate 1 VREF OUT 82k IAC CAMP 12 1.28M 1000p Multiplier SS CAI 2.4k VREF 22k 100 5 CLIMIT 10k 0.0165 (5W) 2.4k 100p CLIMIT 8 1.3V CGND EO 4 820k 14 2.5V VREF VREF 0.033μ VAMP FB 13 2.688V 2.638V 15 B+OVP 25μA 0.47μ SS From VRB1(B+ monitor1) 720k 0.52V AC-Det 2 GND PFC-ON 1μ 11 0.1 μ Circuit Ground 14k 0.82V 0.79V 3 DELAY 0.22μ REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 2 of 7 R2A20111SP Pin Arrangement OUT 1 GND 2 DELAY 3 CGND 4 CAI 5 VREF 6 CAO 7 CLIMIT 8 (Top view) 16 VCC 15 SS 14 EO 13 FB 12 IAC 11 PFC-ON 10 CT 9 RT Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name OUT GND DELAY CGND CAI VREF CAO CLIMIT RT CT PFC-ON IAC FB EO SS VCC I/O Output — Input/Output Input Input/Output Output Output Input Input/Output Output Input Input Input Output Output Input Function Power MOS FET gate driver output Ground Hold time adjust and IC shutdown Non-inverting input of current amplifier Inverting input of current amplifier and Current output for PFC control Reference voltage output Current amplifier output Overcurrent detection Timing resistor for settings of operational frequency, and the maximum CAI pin and DELAY pin current Timing capacitor for operational frequency adjust Detection of input AC voltage level Detection of input AC waveform Voltage amplifier input Voltage amplifier output Timing capacitor for soft-start time adjust Power supply voltage input REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 3 of 7 R2A20111SP Absolute Maximum Ratings (Ta = 25°C) Item Supply voltage OUT peak current OUT DC current Terminal voltage CAO voltage EO voltage DELAY voltage CAI voltage RT current IAC current VREF current Power dissipation Operating junction temperature Storage temperature Notes: 1. 2. 3. 4. Symbol VCC Ipk-out Idc-out Vi-group1 Vi-group2 Vcao Veo Vdelay Vi-cs Irt Iiac Io-ref Pt Tj-opr Tstg Ratings 24 ±1.0 ±0.1 –0.3 to Vcc –0.3 to Vref –0.3 to Vcaoh –0.3 to Veoh –0.3 to +6.5 –1.5 to +0.3 –200 0.6 –5 1 –40 to +125 –55 to +150 Unit V A A V V V V V V μA mA mA W °C °C Note 3 4 5 6 Rated voltages are with reference to the GND pin. For rated currents, inflow to the IC is indicated by (+), and outflow by (–). The transient current when driving capacitive load. This is the rated voltage for the following pin: OUT. 5. This is the rated voltage for the following pins: CGND, VREF, CLIMIT, RT, CT, PFC-ON, IAC, FB, SS 6. Thermal resistance of packages Package θja θjc Note SOP16 120°C/W — — 35°C/W 40 × 40 × 1.6 [mm], Mounted on a glass epoxy printed board with 10% wiring density Infinite heat sink REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 4 of 7 R2A20111SP Electrical Characteristics (Ta = 25°C, VCC = 12 V, RT = 27 kΩ, CT = 1000 pF) Supply Item Start threshold Shutdown threshold UVLO hysteresis Startup current Is temperature stability Operating current VREF Output voltage Line regulation Load regulation Temperature stability Initial accuracy fout temperature stability fout voltage stability CT peak voltage Ramp valley voltage RT voltage Soft start Current limit VAMP Sink current Threshold voltage Delay to output Feedback voltage Input bias current Open loop gain High voltage Low voltage Source current Sink current Transconductance Input offset voltage Open loop gain High voltage Low voltage Source current Sink current Transconductance 1. Design spec. Symbol VH VL dVUVL Is dIs/dTa Icc Vref Vref-line Vref-load dVref fout dfout/dTa fout-line Vct-H Vct-L Vrt Iss VCL td-CL Vfb Ifb Av-v Veoh Veol Isrc-eo Isnk-eo Gm-v Vio-ca Av-ca Vcaoh Vcaol Isrc-ca Isnk-ca Gm-c Min 9.6 8.3 1.0 140 — 3.45 4.85 — — — 58.5 — –1.5 — — 1.17 15.0 1.222 — 2.40 –0.3 — 5.2 — –180 90 150 — — 5.2 — –135 67 530 Typ 10.5 9.0 1.5 200 –0.3 4.5 5.00 5 5 ±80 65 ±0.1 0.5 3.6 0.65 1.25 25.0 1.3 100 2.50 0 53 5.7 0.1 –120 120 200 (–10) 68 5.7 0.1 –90 90 700 Max 11.4 9.7 2.0 260 — 6.45 5.15 20 20 — 71.5 — 1.5 4.0 — 1.33 35.0 1.378 200 2.60 0.3 — 6.2 0.3 –90 180 290 0 — 6.2 0.3 –67 135 1000 Unit V V V μA %/°C mA V mV mV ppm/°C kHz %/°C % V V V μA V ns V μA dB V V μA μA μA/V mV dB V V μA μA μA/V Test Conditions VCC = 9.5 V * 1 IAC = 0 A, CL = 0 F Isource = 1 mA Isource = 1 mA, VCC = 12 V to 23 V Isource = 1 mA to 5 mA Ta = –40 to 125°C * Measured pin: OUT Ta = –40 to 125°C * VCC = 12 V to 18 V *1 *1 SS = 2 V CLIMIT = 2 to 0 V FB-EO Short Measured pin: FB *1 FB = 2.3 V, EO: Open FB = 2.7 V, EO: Open FB = 1.0 V, EO = 2.5 V FB = 4.0 V, EO = 2.5 V FB = 2.5 V, EO = 2.5 V *1 *1 1 1 Oscillator CAMP CAO = 2.5 V CAO = 2.5 V *1 Note: REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 5 of 7 R2A20111SP Electrical Characteristics (cont.) (Ta = 25°C, VCC = 12 V, RT = 27 kΩ, CT = 1000 pF) IAC/ Multiplier Item IAC pin voltage Imo current 1 Imo current 2 Imo current 3 Imo current 4 OUT Minimum duty cycle Maximum duty cycle Rise time Fall time Low voltage Symbol Viac Imo1 Imo2 Imo3 Imo4 Dmin-out Dmax-out tr-out tf-out Vol1-out Vol2-out Vol3-out Voh1-out Voh2-out Vshut Vres Ishut Von-pfc Voff-pfc Vd-pfc Ipfc-on dVovps dVovpr Vfbls Isrc-delay Isnk-delay Min 1.6 –61.3 –197.9 –32.8 –110.4 — 90 — — — — — 11.5 10.0 3.30 — 120 0.74 0.71 1.05 –1.0 0.125 0.075 0.425 –47.5 — Typ 2.3 –51.5 –165 –27 –92 — 95 30 30 0.05 0.5 0.03 11.9 11.0 4.00 — 190 0.82 0.79 1.20 –0.2 0.188 0.138 0.52 –42.5 770 Max 3.0 –41 –131.5 –21.2 –73.6 0 98 100 100 0.2 2.0 0.7 — — 4.70 4.0 260 0.9 0.86 1.30 1 0.250 0.200 0.615 –38 — Unit V μA μA μA μA % % ns ns V V V V V V V μA V V V μA V V V μA μA Test Conditions IAC = 100 μA EO = 2.5 V, IAC = 150 μA PFC-ON = 1.2 V EO = Vcaoh, IAC = 150 μA PFC-ON = 1.2 V EO = 2.5 V, IAC = 375 μA PFC-ON = 2.5 V EO = Vcaoh, IAC = 375 μA PFC-ON = 2.5 V CAO = 4.0 V CAO = 0 V CL = 1000 pF CL = 1000 pF Iout = 20 mA Iout = 200 mA (Pulse test) Iout = 10 mA, VCC = 5 V Iout = –20 mA Iout = –200 mA (Pulse test) Input: DELAY Input: Vcc VCC = 9 V Input pin: PFC-ON Input pin: PFC-ON Input pin: DELAY PFC-ON = 2 V Input pin: FB *2 Input pin: FB * Input pin: FB DELAY = 1 V RT = 27 kΩ DELAY = 1 V 1 RT = 27 kΩ * 2 High voltage Shut down Shut down voltage Reset voltage Shut down current PFC enable voltage PFC disable voltage PFC disable delay threshold voltage Input current B+ OVP set voltage B+ OVP reset voltage FB low set voltage DELAY source current DELAY sink current Supervisor Notes: 1. Design spec. 2. dVovps = Vovps – Vref × 0.5 dVovpr = Vovpr – Vref × 0.5 FB Vovps Vfbls Vovpr Vref × 0.5 OUT REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 6 of 7 R2A20111SP Package Dimensions JEITA Package Code P-SOP16-5.5x10.06-1.27 RENESAS Code PRSP0016DH-B Previous Code FP-16DAV MASS[Typ.] 0.24g *1 D F 9 16 NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. bp HE E Index mark *2 Terminal cross section ( Ni/Pd/Au plating ) 1 Z e *3 8 bp x M L1 Reference Dimension in Millimeters Symbol c θ A1 y L Detail F D E A2 A1 A bp b1 c c1 θ HE e x y Z L L1 Min Nom Max 10.06 10.5 5.50 0.00 0.10 0.20 2.20 0.34 0.40 0.46 0.15 0.20 0.25 0° 8° 7.50 7.80 8.00 1.27 0.12 0.15 0.80 0.50 0.70 0.90 1.15 REJ03F0231-0200 Rev.2.00 Sep 29, 2009 Page 7 of 7 A Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Notes: 1. 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