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MC34262D Folha de dados(PDF) 2 Page - ON Semiconductor |
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MC34262D Folha de dados(HTML) 2 Page - ON Semiconductor |
2 / 16 page MC34262 MC33262 2 MOTOROLA ANALOG IC DEVICE DATA MAXIMUM RATINGS Rating Symbol Value Unit Total Power Supply and Zener Current (ICC + IZ) 30 mA Output Current, Source or Sink (Note 1) IO 500 mA Current Sense, Multiplier, and Voltage Feedback Inputs Vin –1.0 to +10 V Zero Current Detect Input High State Forward Current Low State Reverse Current Iin 50 –10 mA Power Dissipation and Thermal Characteristics P Suffix, Plastic Package, Case 626 Maximum Power Dissipation @ TA = 70°C Thermal Resistance, Junction–to–Air D Suffix, Plastic Package, Case 751 Maximum Power Dissipation @ TA = 70°C Thermal Resistance, Junction–to–Air PD R θJA PD R θJA 800 100 450 178 mW °C/W mW °C/W Operating Junction Temperature TJ +150 °C Operating Ambient Temperature (Note 3) MC34262 MC33262 TA 0 to + 85 – 40 to +105 °C Storage Temperature Tstg – 65 to +150 °C ELECTRICAL CHARACTERISTICS (VCC = 12 V (Note 2), for typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies [Note 3], unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ERROR AMPLIFIER Voltage Feedback Input Threshold TA = 25°C TA = Tlow to Thigh (VCC = 12 V to 28 V) VFB 2.465 2.44 2.5 — 2.535 2.54 V Line Regulation (VCC = 12 V to 28 V, TA = 25°C) Regline — 1.0 10 mV Input Bias Current (VFB = 0 V) IIB — – 0.1 – 0.5 µA Transconductance (TA = 25°C) gm 80 100 130 µmho Output Current Source (VFB = 2.3 V) Sink (VFB = 2.7 V) IO — — 10 10 — — µA Output Voltage Swing High State (VFB = 2.3 V) Low State (VFB = 2.7 V) VOH(ea) VOL(ea) 5.8 — 6.4 1.7 — 2.4 V OVERVOLTAGE COMPARATOR Voltage Feedback Input Threshold VFB(OV) 1.065 VFB 1.08 VFB 1.095 VFB V MULTIPLIER Input Bias Current, Pin 3 (VFB = 0 V) IIB — – 0.1 – 0.5 µA Input Threshold, Pin 2 Vth(M) 1.05 VOL(EA) 1.2 VOL(EA) — V Dynamic Input Voltage Range Multiplier Input (Pin 3) Compensation (Pin 2) VPin 3 VPin 2 0 to 2.5 Vth(M) to (Vth(M) + 1.0) 0 to 3.5 Vth(M) to (Vth(M) + 1.5) — — V Multiplier Gain (VPin 3 = 0.5 V, VPin 2 = Vth(M) + 1.0 V) (Note 4) K 0.43 0.65 0.87 1/V ZERO CURRENT DETECTOR Input Threshold Voltage (Vin Increasing) Vth 1.33 1.6 1.87 V Hysteresis (Vin Decreasing) VH 100 200 300 mV Input Clamp Voltage High State (IDET = + 3.0 mA) Low State (IDET = – 3.0 mA) VIH VIL 6.1 0.3 6.7 0.7 — 1.0 V |
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