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AP3783RCK6TR-G1 Datasheet(PDF) 5 Page - Diodes Incorporated |
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AP3783RCK6TR-G1 Datasheet(HTML) 5 Page - Diodes Incorporated |
5 / 17 page AP3783R Document number: DS37448 Rev. 5 - 2 5 of 17 www.diodes.com October 2015 © Diodes Incorporated AP3783R Electrical Characteristics (Cont.) (@V CC=15V, TA=+25° C, unless otherwise specified.) Symbol Parameter Conditions Min Typ Max Unit FREQUENCY JITTER ΔV CS/VCS VCS Modulation 6.5% to 100% IO(MAX) 4.5 5 5.5 % fMOD VCS Modulation Frequency 3.6 4 4.4 kHz CURRENT SENSE SECTION VCS_H Peak Current Sense Threshold Voltage 37% to 100% IO(MAX) 828 900 972 mV VCS_L 0% to 37% IO(MAX) 460 500 540 mV RLINE Built-in Line Compensation Resistor (Note 7) 245 260 275 tLEB Leading Edge Blanking (Note 6) 400 500 600 ns CONSTANT VOLTAGE SECTION VFB Feedback Threshold Voltage Closed loop test of VOUT 3.95 4.01 4.07 V RFB FB Pin Input Resistance VFB=4V 560 700 840 k VCABLE/VOUT% Cable Compensation Ratio AP3783RA 7 8 9 % AP3783RB 3 4 5 % AP3783RC 1 2 3 % CONSTANT CURRENT SECTION tONS/tSW Secondary Winding Conduction Duty VFB=4V 0.47 0.5 0.53 – VALLEY-ON SECTION tVAL-ON Valid Off Time of Valley-on From the end of tONS 14.4 16 17.6 μs DYNAMIC SECTION VTRIGGER Trigger Voltage for Dynamic Function – 74 83 92 mV tDELAY Delay Time for Dynamic Function From the end of tONS 115 128 141 μs VUV_H Under Voltage of FB Pin for VCS_H – 3.82 3.89 3.96 V tOFF(MAX) Maximum Off Time – 6 8 10 ms PROTECTION FUNCTION SECTION VFB(OVP) Over Voltage Protection at FB Pin – 7.1 7.5 7.9 V VCC(OVP) Over Voltage Protection at VCC Pin – 28 30 32 V tONP(MAX) Maximum Turn-on Time – 13 19 25 μs VFB(SCP) Short Circuit Protection VFB @ Hiccup 2.45 2.6 2.75 V tSCP Maximum Time under VFB(SCP) – 115 128 141 ms TOTP Shutdown Temperature – +126 +140 +154 ºC THYS Temperature Hysteresis – +36 +40 +44 ºC Notes: 5. The output constant-current design value, generally set to 110% to 120% of full load. 6. Guaranteed by design. 7. Line compensation voltage on CS reference: AUX LINE FB LINE REF CS V R R R V 1 _ 438 . 0 Δ |
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