MC33363 Motorola, MC33363 Datasheet
MC33363
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MC33363 Summary of contents
Page 1
... High Voltage Switching Regulator The MC33363 is a monolithic high voltage switching regulator that is specifically designed to operate from a rectified 240 Vac line source. This integrated circuit features an on–chip 700 V/1.0 A SenseFET power switch, 450 V active off–line startup FET, duty cycle controlled oscillator, current ...
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... Line Regulation ( Input Bias Current ( 2.6 V) Open Loop Voltage Gain ( Gain Bandwidth Product (f = 100 kHz NOTES: 1. Maximum power dissipation limits must be observed. 2. Tested junction temperature range for the MC33363: T low = – high = +125 C 2 MC33363 ...
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... TIMING RESISTOR (k ) MOTOROLA ANALOG IC DEVICE DATA MC33363 ( 390 pF, C Pin 8 = 1.0 F, for typical values Symbol Min – 2. – DC (max) ...
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... FREQUENCY (Hz) Figure 7. Error Amplifier Small Signal Transient Response 1.80 V 1.75 V 1.70 V 1.0 s/DIV 4 MC33363 Figure 4. Maximum Output Duty Cycle 1.0 Figure 6. Error Amp Output Saturation 1.0 to 4.0 V –1 ...
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... 390 pF 2.4 1.6 0 SUPPLY VOLTAGE (V) MOTOROLA ANALOG IC DEVICE DATA MC33363 Figure 10. Peak Startup Current versus Power Supply Voltage PIN Pulse tested with an on–time 300 s at < 1.0% duty cycle. The on–time is adjusted at Pin 1 for a maximum peak current out of Pin 3 ...
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... Power Switch Drain, and the ground potential on Pins 12 and 13. 16 Power Switch This pin is designed to directly drive the converter transformer and is capable of switching a Drain maximum of 700 V and 1 MC33363 Figure 16. P Suffix (DIP–16) Thermal Resistance and Maximum Power Dissipation versus P.C.B. Copper Length 2.8 100 2.4 80 2.0 Ï ...
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... Capacitor C T Compensation Oscillator Output PWM Comparator Output PWM Latch Q Output Power Switch Gate Drive Leading Edge Blanking Input (Power Switch Drain Current) MOTOROLA ANALOG IC DEVICE DATA MC33363 Figure 17. Representative Block Diagram Startup Input 1 Startup Control UVLO Overvoltage 14.5 V/ Protection 9.5 V Input 11 OVP 2 ...
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... Introduction The MC33363 represents a new higher level of integration by providing all the active high voltage power, control, and protection circuitry required for implementation of a flyback or forward converter on a single monolithic chip. This device is designed for direct operation from a rectified 240 Vac line source and requires a minimum number of external components to implement a complete converter ...
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... It is not intended to be used as a substitute for proper heatsinking. The MC33363 is contained in a heatsinkable plastic dual–in–line package in which the die is mounted on a special heat tab copper alloy lead frame. This tab consists of the four center ground pins that are specifically designed to improve thermal conduction from the die to the circuit board ...
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... UVLO 10 14 9 OVP 2 Driver LEB I Limit 2 IC1 MC33363 Figure 21. Converter Test Data Conditions = 1 4 4.0 mV Triangular = 2.0 mVpp, Spike = 12 mVpp Triangular = 2.0 mVpp, Spike = 12 mVpp 78.6%* 75. 2 5.05 V/1 C10 MBR T1 DC Output 330 ...
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... Figure 22. Printed Circuit Board and Component Layout Caution! High Voltages Line C2 Input MC33363 MOTOROLA ANALOG IC DEVICE DATA MC33363 (Circuit of Figure 20) C4 IC3 IC2 R2 C7 IC1 (Top View) 2.75” (Bottom View) DC Output ...
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... D 0.015 0.021 0.39 0.53 F 0.050 0.070 1.27 1.77 G 0.100 BSC 2.54 BSC H 0.050 BSC 1.27 BSC J 0.008 0.015 0.21 0.38 K 0.120 0.140 3.05 3.55 L 0.295 0.305 7.50 7. 0.200 BSC 5.08 BSC R 0.300 BSC 7.62 BSC S 0.015 0.035 0.39 0.88 Mfax is a trademark of Motorola, Inc. MOTOROLA ANALOG IC DEVICE DATA MC33363/D ...