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MC34065-H Datasheet(PDF) 3 Page - ON Semiconductor |
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MC34065-H Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 14 page MC34065–H, L MC33065–H, L 3 MOTOROLA ANALOG IC DEVICE DATA ELECTRICAL CHARACTERISTICS (VCC = 15 V [Note 2], RT = 8.2 kΩ, CT = 3.3 nF, for typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies to [Note 3].) Characteristics Symbol Min Typ Max Unit CURRENT SENSE SECTION Current Sense Input Voltage Gain (Notes 4 and 5) AV 2.75 3.0 3.25 V/V Maximum Current Sense Input Threshold (Note 4) Vth 0.9 1.0 1.1 V Input Bias Current IIB – – 2.0 –10 µA Propagation Delay (Current Sense Input to Output) tPLN(In/Out) – 150 300 ns DRIVE OUTPUT 2 ENABLE PIN Enable Pin Voltage – High State (Output 2 Enabled) Enable Pin Voltage – Low State (Output 2 Disabled) VIH VIL 3.5 0 – – Vref 1.5 V Low State Input Current (VIL = 0 V) IIB 100 250 400 µA DRIVE OUTPUTS Output Voltage – Low State (Isink = 20 mA) Output Voltage – Low State (Isink = 200 mA) Output Voltage – High State (Isource = 20 mA) Output Voltage – High State (Isource = 200 mA) VOL VOH – 1.6 12.8 10 0.3 2.4 13.3 11.2 0.5 3.0 – 12.3 V Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 1.0 mA) VOL(UVLO) – 0.1 1.1 V Output Voltage Rise Time (CL = 1.0 nF) tr – 50 150 ns Output Voltage Fall Time (CL = 1.0 nF) tf – 50 150 ns UNDERVOLTAGE LOCKOUT SECTION Startup Threshold (VCC Increasing) –L Suffix –H Suffix Vth 7.8 13 8.4 14 9.0 15 V Minimum Operating Voltage After Turn–On (VCC Decreasing) –L Suffix –H Suffix VCC(min) 7.2 9.0 7.8 10 8.4 11 V TOTAL DEVICE Power Supply Current Startup –L Suffix (VCC = 6.0 V) –H Suffix (VCC = 12 V) Operating (Note 2) ICC – – – 0.4 0.6 20 0.8 1.0 25 mA NOTES: 1. Maximum package power dissipation limits must be observed. NOTES: 2. Adjust VCC above the startup threshold before setting to 15 V. NOTES: 3. Low duty cycle pulse techniques are used during test to maintain junction NOTES: 3. temperature as close to ambient as possible: Tlow = 0°C for the MC34065 Thigh = +70°C for MC34065 Tlow = –40°C for the MC33065 Thigh = +85°C for MC33065 4. This parameter is measured at the latch trip point with VFB = 0 V 5. Comparator gain is defined as AV = ∆V Compensation ∆V Current Sense Figure 1. Timing Resistor versus Oscillator Frequency Figure 2. Maximum Output Duty Cycle versus Oscillator Frequency 4.0 6.0 8.0 10 14 16 fOSC, OSCILLATOR FREQUENCY (Hz) 12 3.3 nF 500 pF 220 pF 330 pF 2.2 nF 5.0 nF 1.0 nF 10 k 30 k 50 k 300 k 500 k 100 k 1.0 M 100 pF fOSC, OSCILLATOR FREQUENCY (Hz) 38 40 42 44 48 50 46 Output 2 Output 1 10 k 30 k 50 k 300 k 500 k 100 k 1.0 M VCC =15 V RT = 4.0 k to 16 k TA = 25° CL =15 pF CT = 10 nF VCC =15V TA =25°C |
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