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MC34262D Datasheet(PDF) 3 Page - ON Semiconductor |
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MC34262D Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 16 page MC34262 MC33262 3 MOTOROLA ANALOG IC DEVICE DATA 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 CURRENT SENSE COMPARATOR Input Bias Current (VPin 4 = 0 V) IIB — – 0.15 –1.0 µA Input Offset Voltage (VPin 2 = 1.1 V, VPin 3 = 0 V) VIO — 9.0 25 mV Maximum Current Sense Input Threshold (Note 5) Vth(max) 1.3 1.5 1.8 V 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 — — 9.8 7.8 0.3 2.4 10.3 8.4 0.8 3.3 — — 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) VO(UVLO) — 0.1 0.5 V RESTART TIMER Restart Time Delay tDLY 200 620 — µs UNDERVOLTAGE LOCKOUT Startup Threshold (VCC Increasing) Vth(on) 11.5 13 14.5 V Minimum Operating Voltage After Turn–On (VCC Decreasing) VShutdown 7.0 8.0 9.0 V Hysteresis VH 3.8 5.0 6.2 V TOTAL DEVICE Power Supply Current Startup (VCC = 7.0 V) Operating Dynamic Operating (50 kHz, CL = 1.0 nF) ICC — — — 0.25 6.5 9.0 0.4 12 20 mA Power Supply Zener Voltage (ICC = 25 mA) VZ 30 36 — V NOTES: 1. Maximum package power dissipation limits must be observed. 2. Adjust VCC above the startup threshold before setting to 12 V. Pin 4 Threshold VPin 3 (VPin 2 – Vth(M)) 4. K = 3. Tlow =0°C for MC34262 3. Tlow =– 40°C for MC33262 Thigh =+ 85°C for MC34262 Thigh = +105°C for MC33262 5. This parameter is measured with VFB = 0 V, and VPin 3 = 3.0 V. 1.4 – 0.2 3.8 0.6 2.2 3.0 VPin 2 = 2.0 V VCC = 12 V TA = 25°C VM, MULTIPLIER PIN 3 INPUT VOLTAGE (V) Figure 1. Current Sense Input Threshold versus Multiplier Input – 0.12 VM, MULTIPLIER PIN 3 INPUT VOLTAGE (V) – 0.06 0.06 0.12 0.18 0.24 0 VCC = 12 V TA = 25°C Figure 2. Current Sense Input Threshold versus Multiplier Input, Expanded View 0.2 0 1.6 0.08 1.4 1.2 1.0 0.8 0.6 0.4 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 VPin 2 = 3.75 V VPin 2 = 2.25 V VPin 2 = 2.5 V VPin 2 = 2.75 V VPin 2 = 3.0 V VPin 2 = 2.25 V VPin 2 = 2.5 V VPin 2 = 3.75 V VPin 2 = 2.75 V VPin 2 = 2.0 V VPin 2 = 3.25 V VPin 2 = 3.0 V VPin 2 = 3.25 V VPin 2 = 3.5 V VPin 2 = 3.5 V |
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