MC44602P2 ON Semiconductor, MC44602P2 Datasheet
MC44602P2
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MC44602P2 Summary of contents
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High Performance Current Mode Controller The MC44602 is an enhanced high performance fixed frequency current mode controller that is specifically designed for off–line and high voltage dc–to–dc converter applications. This device has the unique ability of changing operating modes if ...
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MAXIMUM RATINGS Rating Total Power Supply and Zener Current Sink Ground Voltage with Respect to Gnd (Pin 9) Output Supply Voltage with Respect to Sink Gnd (Pins 4, 5, 12, 13) Output Current (Note 1) Source Sink Output Energy (Capacitive ...
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ELECTRICAL CHARACTERISTICS (V CC and [Note 2 10k 1.0 nF, for typical values for min/max values – +85 C ...
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ELECTRICAL CHARACTERISTICS (V CC and [Note 2 10k 1.0 nF, for typical values for min/max values – +85 C ...
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Figure 3. Oscillator Discharge Current versus Temperature 9.0 8.0 7.0 –55 – AMBIENT TEMPERATURE ( C) Figure 5. Error Amp Small Signal Transient Response 2.55 V 2 ...
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Figure 9. Voltage Feedback Input, Voltage versus Current 2.6 2 Clamp = 0 1.8 V Clamp = 0.3 V 1.4 V Clamp = 0.1 V 1.0 –500 –400 ...
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Figure 15. Output Waveform Voltage 90% Current 10% t, TIME (100 ns/DIV) Figure 17. Sink Output Saturation Voltage versus Sink Current 3.0 Sink Saturation (Load 2 ...
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Figure 21. Valid Load Comparator Threshold versus Temperature 3.2 2.8 2.4 2.0 –55 – AMBIENT TEMPERATURE ( C) Figure 23. Load Detect Input Propagation Delay versus Temperature 1 ...
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Figure 27. Representative Block Diagram V ref 16 R Internal R Bias 2.5V Sync Input 7 10k R T Oscillator Compensation Error 1 Amplifier Voltage Feedback Input 2. 2. 2.8V Capacitor ...
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The MC44602 is a high performance, fixed frequency, current mode controller specifically designed to directly drive a bipolar power switch in off–line and high voltage dc–to–dc converter applications. This device offers the designer a cost effective solution with minimal external ...
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A narrow spike on the leading edge of the current waveform can usually be observed and may cause the power supply to exhibit an instability when the output is lightly loaded. This spike is due to the power transformer interwinding ...
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Design Considerations Do not attempt to construct the converter on wire–wrap or plug–in prototype boards. High frequency circuit layout techniques are imperative to prevent pulse–width jitter. This is usually caused by excessive noise pick–up imposed on the Current Sense or ...
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Figure 32. Logic Truth Table of Functional Blocks Demag Output Output Power Power Load Transistor Input Nominal On <85mV At Turn–Off >85 mV, <2.5 V Off >2.5 V Short On < Turn–Off >85 mV, <2.5 V Off <85 ...
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Pin Function 1 Compensation 2 Load Detect Input 3 Voltage Feedback Input 4, 5, 12, 13 Sink Ground 6 Current Sense Input 7 Sync Input Ground 10 Sink Output 11 Source Output 14 V ...
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Figure 33. 60 Watt Off–Line Flyback Regulator 1N5404 2 265 Vac 470 1N4148 0.1 470pF 15k 1N4148 1 0.1 F 24k 2 47k 10k 3 470k 4 1. 10k 7 8 2.2nF 1.0nF Test Line Regulation ...
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Figure 34. 150 Watt Off–Line Flyback Regulator 1N5404 4.7 220 Vac 100 1N4148 0.1 470pF 15k 1N4148 1 0.1 F 24k 2 47k 10k 3 470k 4 1. 10k 7 8 2.2nF 1.0nF Test Line Regulation 155V 24.5V ...
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NOTE 5 –T– SEATING PLANE 0.13 (0.005 MOTOROLA ANALOG IC DEVICE DATA MC44602 OUTLINE DIMENSIONS P2 SUFFIX PLASTIC PACKAGE CASE 648C–03 ISSUE C 9 –B– ...
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Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of ...