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MC34261D датащи(PDF) 3 Page - ON Semiconductor |
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MC34261D датащи(HTML) 3 Page - ON Semiconductor |
3 / 13 page MC34261, MC33261 http://onsemi.com 3 ELECTRICAL CHARACTERISTICS (VCC = 12 V, 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 CURRENT SENSE COMPARATOR Input Bias Current (VPin 4 = 0 V) IIB − −0.5 −2.0 μA Input Offset Voltage (VPin 2 = 1.1 V, VPin 3 = 0 V) VIO − 3.5 15 mV Delay to Output tPHL (in/out) − 200 400 ns DRIVE OUTPUT Output Voltage (VCC = 12 V) Low State (ISink = 20 mA) Low State (ISink = 200 mA) High State (ISource = 20 mA) High State (ISource = 200 mA) VOL VOH − 1.8 9.8 7.8 0.3 2.4 10.3 8.3 0.8 3.3 − 8.8 V Output Voltage (VCC = 30 V) High State (ISource = 20 mA, CL = 15 pF) VO(max) 14 16 18 V Output Voltage Rise Time (CL = 1.0 nF) tr − 50 120 ns Output Voltage Fall Time (CL = 1.0 nF) tf − 50 120 ns Output Voltage with UVLO Activated (VCC = 7.0 V, ISink = 1.0 mA) VOH(UVLO) − 0.2 0.8 V RESTART TIMER Restart Time Delay tDLY 150 400 − μs UNDERVOLTAGE LOCKOUT Startup Threshold (VCC Increasing) Vth 9.2 10.0 10.8 V Minimum Operating Voltage After Turn−On (VCC Decreasing) VShutdown 7.0 8.0 9.0 V Hysteresis VH 1.75 2.0 2.5 V TOTAL DEVICE Power Supply Current Startup (VCC = 7.0 V) Operating Dynamic Operating (50 kHz, CL = 1.0 nF) ICC − − − 0.3 7.1 9.0 0.5 12 20 mA Power Supply Zener Voltage VZ 30 36 − V NOTES: 1. Maximum package power dissipation limits must be observed. 3. Tlow = −40°C for MC34261 3. Tlow = −40°C for MC33261 Thigh = +70°C for MC34261 Thigh = +85°C for MC33261 Pin 4 Threshold Voltage VPin 3(VPin 2 − VFB) 2. K = 1.0 1.5 VM, MULTIPLIER INPUT VOLTAGE (V) −0.5 4.0 Figure 1. Current Sense Input Threshold versus Multiplier Input Figure 2. Current Sense Input Threshold versus Multiplier Input −0.12 VM, MULTIPLIER INPUT VOLTAGE (V) −0.08 0 0.04 0.08 0.12 0 0.5 2.0 2.5 3.0 3.5 −0.04 0 3.0 −0.5 0.16 −0.02 2.5 2.0 1.5 1.0 0.5 0 0.14 0.12 0.10 0.08 0.06 0.04 0.02 See Figure 2 |
Аналогичный номер детали - MC34261D |
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Аналогичное описание - MC34261D |
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