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TDA4605 데이터시트(PDF) 3 Page - STMicroelectronics |
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TDA4605 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 6 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Pin Value Unit V1 Supply Voltage 1 -0.3, +3 V V2 2 -0.3 V V3 3 -0.3 V V4 4 -0.3 V V6 6 -0.3, +20 V V7 7 -0.3 V I1 Supply Current 13 mA I2 23 mA I3 33 mA I4 tp ≤ 50µs, V ≤ 0.1 4 - 1.5 A I5 tp ≤ 50µs, V ≤ 0.1 5 -0.5, +1.5 A I6 tp ≤ 50µs, V ≤ 0.1 6 0.5 A I7 73 mA I8 8 -3, +3 mA Tj Junction Temperature (autom. thermal disjunction) +125 oC Tstg Storage Temperature -40, +125 oC THERMAL DATA Symbol Parameter Value Unit Rth(j-a) Junction-ambient Thermal Resistance 80 oC/W Rth(j-c) Junction-case Thermal Resistance 45 oC/W Tamb Ambient Temperature -20, +85 oC ELECTRICAL CHARACTERISTICS (VCC = 10V, Tamb =25 oC, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit START-UP HYSTERESIS I6E0 Start-up Current Drain V6 =V6E 0.6 0.8 mA V6E Switch-on Voltage 11 12 13 V V6A Switch-off Voltage 4.5 5 5.5 V I6E1 Switch-on Current V6 =V6E 11 mA I6A1 Switch-off Current V6 =V6A 10 mA VOLTAGE CLAMP (V6 = 10V, IC Switched off) V2(Max.) At Pin 2 (V6 <V6E)I2 = 1mA 5.6 6.6 9 V V3(Max.) At Pin 3 (V6 <V6E)I3 = 1mA 5.6 6.6 9 V CONTROL RANGE V1R Control Input Voltage 400 410 420 mV -VR Voltage Gain of the Control Circuit in the Control Range VR = d(V2S -V2B)/dV1 f = 1kHz 43 dB PRIMARY CURRENT SIMULATION VOLTAGE V2B Basic Value 0.955 1.00 1.03 V OVERLOAD RANGE AND SHORT CIRCUIT OPERATION V2O Peak Value in the Range of Secondary Overload V1 =V1R - 10mV 2.8 2.95 3.1 V DV2 Maximum Ramp Amplitude V2O -V2B 1.82 1.95 2.08 V V2S Peak Value in the Range of Secondary Short Circuit Operation V1 = 0 2.3 2.5 2.7 V FOLDBACK POINT CORRECTION -I2 Foldback Point Correction Current V3 = 3.7V 300 500 650 µA TDA4605 3/6 |
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