NCP1575D ON Semiconductor, NCP1575D Datasheet
NCP1575D
Specifications of NCP1575D
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NCP1575D Summary of contents
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... Synchronous N−Channel Buck Design “12 V Only” or Dual Supply Operation Semiconductor Components Industries, LLC, 2004 November, 2004 − Rev and ground. This device OSC NCP1575D NCP1575DG NCP1575DR2 NCP1575DR2G †For information on tape and reel specifications, 1 http://onsemi.com MARKING DIAGRAM 8 SOIC−8 1575 8 D SUFFIX ...
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1.0 mH BAS20HT1 D2 BAV99LT1 R1 470 C11 0 MMBT3904LT1 Zener R C4 BZX84C18V OSC 1 COMP R3 NCP1575 Option C11 0.1 mF Figure 1. 12 ...
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5.6 V Zener BZX84C5V6 D2 R1 BAV99LT1 OSC 205 NC COMP R3 Option open C11 0.1 mF Figure Only Applications Diagram ...
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MAXIMUM RATINGS Operating Junction Temperature Storage Temperature Range ESD Susceptibility (Human Body Model) ESD Susceptibility (Charged Device Model) Lead Temperature Soldering: Moisture Sensitivity Level Package Thermal Resistance, SOIC−8: Maximum ratings are those values beyond which device damage can occur. Maximum ...
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ELECTRICAL CHARACTERISTICS = 0.1 mF kW; unless otherwise specified.) Note 3 COMP OSC Characteristic GATE(H) and GATE(L) Rise Time Fall Time GATE(H) to GATE(L) Delay GATE(L) to GATE(H) Delay Minimum Pulse Width High Voltage (AC) Low ...
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PACKAGE PIN DESCRIPTION PIN # PIN SYMBOL 1 V Power supply input Frequency adjust pin. If not used, oscillator frequency is nominally 200 kHz. Connecting R OSC through a single resistor will increase oscillator frequency ...
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TYPICAL PERFORMANCE CHARACTERISTICS Temperature ( C) Figure 5. Supply Current vs. Temperature 600 500 400 300 200 100 10 100 R Value (kW) OSC Figure 7. Oscillator Frequency vs. R ...
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TYPICAL PERFORMANCE CHARACTERISTICS 470 465 460 455 450 Temperature ( C) Figure 11. PWM Offset Voltage vs. Temperature 0.60 0.55 0.50 0.45 0. Temperature ( C) Figure 13. V Bias ...
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TYPICAL PERFORMANCE CHARACTERISTICS 38 36 GATEH Fall Time GATEH Rise Time GATEL Rise Time 26 GATEL Fall Time Temperature ( C) Figure 17. GATE Output Rise and Fall ...
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THEORY OF OPERATION The NCP1575 is a simple, synchronous, fixed−frequency, low−voltage buck controller using the Control Method 2 The V control method uses a ramp signal generated by the ESR of the output capacitors. This ramp is ...
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V 0.465 V UVLO STARTUP NORMAL OPERATION t S Figure 21. Idealized Waveforms Normal Operation During normal operation, the duty cycle of the gate drivers remains approximately constant as the V maintains the regulated output voltage under steady state ...
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Series Resistance (ESR), and Equivalent Series Inductance (ESL). For best transient response, a combination of low value/high frequency and bulk capacitors placed close to the load will be required. In order to determine the number of output capacitors the maximum ...
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In order to choose the minimum value of inductance, input voltage, output voltage and output current must be known. Most computer applications use reasonably well regulated bulk power supplies so that, while the equations below specify ...
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ignore the small current variation due IN(AVE) to the output ripple current, we can approximate the input capacitor current waveform as a square wave. We can then calculate the RMS input capacitor ripple current: V ...
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Layout Considerations 2 1. The fast response time of V technology increases the IC’s sensitivity to noise on the V Fortunately, a simple RC filter, formed by the feedback network and a small capacitor (100 pF works well) placed between ...
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... *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/ trademark of Switch Power, Inc. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...