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MC33066DW データシート(PDF) 1 Page - Motorola, Inc |
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MC33066DW データシート(HTML) 1 Page - Motorola, Inc |
1 / 12 page MC34066 MC33066 SEMICONDUCTOR TECHNICAL DATA HIGH PERFORMANCE RESONANT MODE CONTROLLERS Order this document by MC34066/D DW SUFFIX PLASTIC PACKAGE CASE 751G (SO–16L) P SUFFIX PLASTIC PACKAGE CASE 648 PIN CONNECTIONS Osc Deadtime Osc RC Osc Control Current Gnd Vref Error Amp Out Error Amp Inverting Input Error Amp Noninverting Input (Top View) 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 One–Shot RC VCC Drive Output A Drive Output B Drive Gnd CSoft–Start Fault Input Enable/UVLO Adjust Device Operating Temperature Range Package ORDERING INFORMATION MC34066DW TA = 0° to +70°C SO–16L Plastic DIP SO–16L Plastic DIP TA = – 40° to +85°C MC34066P MC33066DW MC33066P 1 MOTOROLA ANALOG IC DEVICE DATA High Performance Resonant Mode Controllers The MC34066/MC33066 are high performance resonant mode controllers designed for off–line and dc–to–dc converter applications that utilize frequency modulated constant on–time or constant off–time control. These integrated circuits feature a variable frequency oscillator with programmable deadtime, precision retriggerable one–shot timer, temperature compensated reference, high gain wide–bandwidth error amplifier with a precision output clamp, steering flip–flop, and dual high current totem pole outputs ideally suited for driving power MOSFETs. Also included are protective features consisting of a high speed fault comparator and latch, programmable soft–start circuitry, input undervoltage lockout with selectable thresholds, and reference undervoltage lockout. These devices are available in dual–in–line and surface mount packages. • Variable Frequency Oscillator with a Control Range Exceeding 1000:1 • Programmable Oscillator Deadtime Allows Constant Off–Time Operation • Precision Retriggerable One–Shot Timer • Internally Trimmed Bandgap Reference • 5.0 MHz Error Amplifier with Precision Output Clamp • Dual High Current Totem Pole Outputs • Selectable Undervoltage Lockout Thresholds with Hysteresis • Enable Input • Programmable Soft–Start Circuitry • Low Startup Current for Off–Line Operation Simplified Block Diagram 15 9 1 2 3 16 6 8 7 11 VCC Enable/ UVLO Adjust Osc Deadtime Osc RC Osc Control Current One–Shot RC Error Amp Out Error Amp + Error Amp – CSoft–Start VCC UVLO Reference Regulator Vref UVLO Variable Frequency Oscillator One–Shot Error Amp Clamp Error Amplifier Soft–Start Steering Flip–Flop Aout Bout Fault–Detector/ Latch 5 4 14 12 13 10 Vref Gnd Drive Output A Drive Output B Drive Gnd Fault Input © Motorola, Inc. 1996 Rev 1 |
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同様の説明 - MC33066DW |
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