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R2A20124AFP-U0 Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R2A20124AFP-U0 Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 13 page R2A20124AFP/R2A20124ASP Preliminary R03DS0031EJ0300 Rev.3.00 Page 9 of 12 Mar 11, 2011 Electrical Characteristics (cont.) (Ta = 25°C, Vcc = 12 V, RT = 180 k , Rdelay = 51 k, Rramp-slp = 27 k, unless otherwise specified.) Item Symbol Min Typ Max Unit Test Conditions PHASE MODULATOR: R2A20124AFP/ASP RAMP offset voltage VRAMP 1.035 1.135 1.235 V RAMP source current Isource-RAMP –220 –185 –150 A RAMP = 0.15 V, COMP; open RAMP sink current ISINK-RAMP 3 10 — mA RAMP = 0.15 V, COMP = 0 V Minimum phase shift Dmin — 0* 1*4 — % RAMP = 0 V, COMP = 0 V Maximum phase shift Dmax — 97.0* 1*4 — % RAMP = 0 V, COMP = 2.1 V Delay to OUT-C, -D * 2 Tpd — 100 200 ns COMP = 1.6 V RAMP discharge time * 1 Tdis — 80 120 ns FB(–) = 0.75 V, COMP; open RAMP-SLP voltage VRAMP-SLP 2.1 2.3 2.5 V DELAY: R2A20124AFP/ASP DELAY-1, -2 * 3 TD1, 2 70 100 130 ns Delay set R = 51 k DELAY-3 * 3 TD3 45 65 85 ns Delay set R = 51 k DELAY2-1, -2 * 1*3 TD2_1, _2 140 220 300 ns Delay set R = 180 k DELAY2-3 * 1*3 TD2_3 110 170 230 ns Delay set R = 180 k Terminal voltage VD1, 2, 3 1.9 2.0 2.1 V Delay set R = 51 k SOFT START: R2A20124AFP/ASP Source current ISS –14 –10 –6 A SS = 1 V SS high voltage VOH-SS 3.9 4.0 4.1 V Notes: 1. Design specification (reference data) 2. Tpd is defined as; RAMP OUT-C/D Tpd 0 V 1 V 50% 50% VCC 0 V 3. TD1, TD2, and TD3 are defined as; OUT-A OUT-B OUT-C OUT-D OUT-E OUT-F TD1 TD1 TD2 TD2 TD3 TD3 50% For primary control For secondary control 4. Maximum/Minimum phase shift is defined as; T1 T1 T2 OUT-A OUT-D T2 OUT-B OUT-C D = × 2 × 100 (%) T2 T1 |
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