MC44604PG ON Semiconductor, MC44604PG Datasheet
MC44604PG
Specifications of MC44604PG
Related parts for MC44604PG
MC44604PG Summary of contents
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... C Output 3 GND 4 Foldback Input 5 Overvoltage 6 Protection Current Sense Input 7 Demagnetization 8 Detection Input (Top View) ORDERING INFORMATION Device Package MC44604PG PDIP−16 (Pb−Free ref 15 Standby Management 14 Error Amp Input Error Amp Output 13 12 Clamp Error Amp Input Soft-Start/D / max 11 Voltage Mode ...
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Demagnetization Demagnetization 8 Management Detection Clamp Error V stby 12 Ampllifier Input i ref 4.7 V Oscillator Standby 15 Standby Management Management V ref + Error Voltage AMP Feedback 14 − Input E/A Output 13 Standby (lpk)max ...
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MAXIMUM RATINGS Rating Total Power Supply and Zener Current Output Supply Voltage with Respect to Ground Output Current (Note 1) − Source − Sink Output Energy (Capacitive Load per Cycle) Soft−Start Clamp Error Amp Input Foldback Input, Stand−by Management Overvoltage ...
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ELECTRICAL CHARACTERISTICS for min/max values T = −25° to +85°C [Note 7], unless otherwise noted.) A Characteristic ERROR AMPLIFIER SECTION (continued) Output Current Sink ( 2.7 V) E/A out −25° to +85°C ...
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ELECTRICAL CHARACTERISTICS for min/max values T = −25° to +85°C [Note 9], unless otherwise noted.) A Characteristic CURRENT SENSE SECTION Maximum Current Sense Input Threshold (V = 2.3 V and V Feedback (pin14) foldback (pin6) Input Bias Current Propagation Delay ...
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T , AMBIENT TEMPERATURE (°C) A Figure 1. Propagation Delay Current Sense Input vs. Temperature 3.2 3.1 3.0 2.9 2.8 −50 − AMBIENT ...
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F, FREQUENCY (kHz) Figure 7. Error Amplifier Gain and Phase vs. Frequency 49000 48000 47000 46000 45000 44000 43000 42000 41000 40000 −50 − ...
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T , AMBIENT TEMPERATURE (°C) A Figure 13. Peak Standby Current Setting Ratio vs. Temperature 1.2 1.0 0.8 0.6 0.4 0 100 200 300 I ...
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V , STARTUP THRESHOLD VOLTAGE stup 13.5 12.5 11.5 10 UVLO1 9.5 disable1 8 UVLO2 disable2 7.5 6.5 −50 − AMBIENT TEMPERATURE (°C) A Figure 19. Startup Threshold, UVLO1, UVLO2 ...
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Pin Name Output 4 GND 5 Foldback Input 6 Overvoltage Protection 7 Current Sense Input 8 Demagnetization Detection 9 Standby Current Set Soft−Start/D /Voltage−Mode max 12 Clamp Error Amplifier ...
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Operating Description Schematics stup−th V disable1 V disable2 V ref UVLO1 V Pin 11 (Soft−Start) Output (Pin 0.3 mA Figure 24. Switching Off Behavior http://onsemi.com 11 Î Î Î Î Î Î ...
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Operating Description Schematics No−Take Over V CC Startup V CC prot V stup−th V disable1 V disable2 V ref UVLO1 V Pin 11 (Soft−Start) V OVP Out Output Î Î Î Î Î Î 0.3 mA ...
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Operating Description Schematics V ref V + 1.6 V CSS V 3 low 1 OSC Output (Pin 3) Figure 26. Soft−Start and D V demag in Output (Pin 3) V demag out Demagnetization V ...
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Error Amplifier A fully compensated Error Amplifier with access to the inverting input and output is provided. It features a typical DC voltage gain of 70 dB. The non−inverting input is internally biased at 2.5 V and is not pinned ...
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The Sawtooth Generation In the steady state, the oscillator voltage varies between about 1.6 V and 3.6 V. Indeed, the sawtooth is obtained by charging and discharging an external capacitor C T distinct current sources = I and I charge ...
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Zero Current V Detection Pin 8 On−Time Off−Time Dead−Time Figure 31. Demagnetization Detection A diode D has been incorporated to clamp the positive applied voltages while an active clamping system limits the negative voltages to typically −0.33 V. This negative ...
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Pin Connected to V Pin 0.4 I ref Figure 35. Different Possible Uses of Pin 11 In any case (particularly if no external component is connected to pin 11), an internal zener ...
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The overvoltage section is enabled 5 ms after the regulator has started to allow the reference V ref By connecting external resistors to pin 6, the threshold V level can be changed ref enable V CC (Pin 1) ...
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That is why, as explained in the transitions §, at each change of mode, the MC44604 is first turned off so that a new startup should be performed. V gets higher than V cc stup−th Startup YES ...
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V (14.5 V) stup V CC Stby V disable 2 (12 stby m P supply voltage V pin 15 I zener I reg I pin 15 I det output Î Î Î Î Î Î Î Î The ...
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Vac to 270 Vac RFI Filter C4....C7 1 nF/1000 V D1 ... D4 1N4007 (2W) 100 mF C16 R19 27 kW 100 ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...