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R2A20114AFPW5 Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R2A20114AFPW5 Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 17 page R2A20114AFP/ASP Preliminary R03DS0051EJ0100 Rev.1.00 Page 9 of 16 Aug 29, 2011 Electrical Characteristics (cont.) (Ta = 25°C, VCC = 12 V, CT = 1000 pF, RT = 27 k , CS1, CS2 = GND, IRAMP = 10 k, BO = 1 V, VAC = 0 V, RS = 220 k , FMC = GND (*1), FM = GND (*2), FB = COMP) Item Symbol Min Typ Max Unit Test Conditions SYNC threshold voltage (rising) Vsync 2.0 2.5 3.0 V SYNC Min. pulse Psync 2 — — s SYNC-OUT shunt current (* 1) Isync-s 5.0 — — mA Synchroni- zation SYNC-OUT leakage current (* 1) Isync-l — — 1.0 A RS output voltage 1 Vrs1 0.42 0.51 0.6 V VAC = 0 V, VOVP2 = 2.5 V RS output voltage 2 Vrs2 –0.1 0 0.1 V VAC = 2.5 V, VOVP2 = 0 V Current slope VAC bias current Ivac –0.8 –0.5 –0.2 A Measured pin: VAC Soft start Source current Iss –40 –28 –16 A SS = 2 V Phase drop threshold voltage (* 1) Vpd 2.4 2.5 2.6 V Phase drop hysteresis (* 1) Hya-pd 150 200 250 mV Phase drop PD bias current (* 1) Ipd 0.05 0.2 0.5 A Measured pin: PD CSO offset voltage1 Voffset 0.68 0.88 1.0 V Vcs = 0 V CSO offset voltage2 Vcaoh 2.83 3 3.17 V Vcs = 0.24 V AMP1, 2 CS Bias current Ics-r –0.4 –0.2 –0.05 A Measured pin: CS1, 2 Gate drive rise time tr-gd — 30 100 ns CL = 500 pF Gate drive fall time tf-gd — 30 100 ns CL = 500 pF Vol1-gd — 0.05 0.2 V Isink = 10 mA Gate drive low voltage Vol2-gd — 1 1.25 V Isink = 0.25 mA, VCC = 5 V Gate drive high voltage Voh-gd 11.5 11.9 — V Isource = –10 mA Minimum duty cycle Dmin-out — — 0 % Gate drive 1, 2 Maximum duty cycle Dmax-out 90 95 98 % Dynamic OVP Threshold voltage Vdovp VFB 1.025 VFB 1.040 VFB 1.055 V Static OVP Threshold voltage Vsovp VFB 1.065 VFB 1.080 VFB 1.095 V COMP = OPEN Static OVP Hysteresis Hys-sovp 30 80 130 mV COMP = OPEN OVP2 Threshold voltage (* 1) Vovp2 VFB 1.065 VFB 1.080 VFB 1.095 A OVP2 Hysteresis (* 1) Hys-ovp2 30 80 130 mV COMP = OPEN OVP2 Bias current (* 1) Iovp2 –0.8 –0.5 –0.2 A Measured pin: OVP2 FB Open Detect Threshold voltage Vfbopen 0.45 0.5 0.55 V Over voltage protection FB Open Detect hysteresis Vfbopen 0.16 0.2 0.24 V OCP Threshold voltage (* 1) VCL 0.28 0.31 0.34 V Over current protection Delay to output td-CL — 100 250 ns Notes: *1 Applied to R2A20114AFP *2 Applied to R2A20114ASP |
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