MC33363P Motorola, MC33363P Datasheet
MC33363P
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MC33363P Summary of contents
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... Protection Input OVP 11 16 Power Switch Drain Regulator Output LEB Compensation 9 10 Voltage Feedback Input MC33363DW MC33363P Motorola, Inc. 1998 Order this document by MC33363/D MC33363 HIGH VOLTAGE OFF–LINE SWITCHING REGULATOR SEMICONDUCTOR TECHNICAL DATA SUFFIX PLASTIC PACKAGE CASE 751N (SOP–16L) 16 ...
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... Reg line – Reg load – V reg 5.3 f OSC 260 255 OSC / V – 2.52 Reg line – – VOL – GBW – MOTOROLA ANALOG IC DEVICE DATA Typ Max Unit 6.5 7 500 mV 44 200 mV – 8.0 V kHz 285 310 – 315 67.5 75 – ...
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... Figure 1. Oscillator Frequency versus Timing Resistor 1 100 pF 500 200 pF 200 500 1.0 nF 100 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 (min) – R DS(on) – – I D(off) – ...
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... Charge Resistor Pin reg 2.0 3.0 5.0 7.0 TIMING RESISTOR RATIO Voltage versus Load Current Source Saturation V ref (Load to Ground) Sink Saturation (Load to V ref ) Gnd 0.2 0.4 0.6 0 OUTPUT LOAD CURRENT (mA) Transient Response –1 1.0 s/DIV MOTOROLA ANALOG IC DEVICE DATA 10 1.0 ...
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... AMBIENT TEMPERATURE ( C) Figure 13. Supply Current versus Supply Voltage 3 390 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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... CC potential on Pin 3. CC Printed circuit board heatsink example Ï Ï Ï Ï Ï Ï 2 Ï Ï Ï Copper Ï Ï Ï 3.0 mm Graphs represent symmetrical layout P D(max) for LENGTH OF COPPER (mm) MOTOROLA ANALOG IC DEVICE DATA 5.0 4.0 3.0 2.0 1.0 0 ...
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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 ...
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... chosen second to set the desired Oscillator frequency. A graph of the Power Switch peak drain current versus shown in Figure 2 with the related Blanking Pulse formula below 5.4 chg dscg resistor. This voltage level – 1.077 T I 8.8 1000 pk MOTOROLA ANALOG IC DEVICE DATA ...
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... Pin 3 and when it exceeds 14.5 V, the reset signal is removed from the PWM Latch allowing operation of the Power Switch. To prevent erratic switching as the threshold is crossed, 5 hysteresis is provided. MOTOROLA ANALOG IC DEVICE DATA MC33363 Startup Control An internal Startup Control circuit with a high voltage enhancement mode MOSFET is included within the MC33363 ...
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... 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 330 330 120 1635 R8 220 2.80 k 330 C11 220 C7 2 100 nF IC2 3 MOC 1 C12 8103 1.0 IC3 2 TL431B R10 2.74 k Results MOTOROLA ANALOG IC DEVICE DATA ...
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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 C12 C11 L1 R8 C10 ...
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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 the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...