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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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APW7323KAI-TRG датащи(PDF) 4 Page - Anpec Electronics Coropration |
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APW7323KAI-TRG датащи(HTML) 4 Page - Anpec Electronics Coropration |
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4 / 22 page  Copyright © ANPEC Electronics Corp. Rev. A.5 - Aug., 2013 APW7323/A www.anpec.com.tw 4 Electrical Characteristics (Cont.) Unless otherwise specified, these specifications apply over V CC=VIN=5V, VOUT=3.3V and TA=-40~85 oC. Typical values are at T A=25 oC. APW7323/A Symbol Parameter Test Conditions Min. Typ. Max. Unit OSCILLATOR and DUTY CYCLE FOSC Oscillator Frequency 0.85 1 1.15 MHz Maximum Converter’s Duty VFB=0.7V - 100 - % Minimum on Time - 70 - ns POWER MOSFET High Side P-MOSFET Resistance VCC=VIN=5V, ILX=0.5A, TA=25 oC - 85 115 m Ω Low Side N-MOSFET Resistance VCC=VIN=5V, ILX=0.5A, TA=25 oC - 75 105 m Ω CURRENT -MODE PWM CONVERTER Gm Error Amplifier Transconductance - 680 - µA/V Error Amplifier DC Gain COMP=NC - 50 - dB Current Sense Resistance - 400 - m Ω TD Dead Time - 20 - ns PROTECTIONS ILIM High Side MOSFET Current-Limit Peak Current 4.2 5.4 6.6 A TOTP Over-temperature Trip Point (Re-softstart after OTP) - 160 - °C Over-Temperature Hysteresis - 50 - °C Over- Voltage Protection Threshold 120 125 130 %VREF OVP Debounce Time - 3 - µs Under-Voltage Protection Threshold 45 50 55 %VREF UVP Debounce Time - 3 - µs Low Side Switch Current-Limit From Drain to Source - -1.9 - A SOFT-START, ENABLE and INPUT CURRENTS Soft Start time - 2.5 - ms EN Enable Threshold Voltage VEN Rising 0.8 - 1.3 V EN Threshold Hysteresis - 0.2 - V EN Pull High Resistance - 300 - K Ω POWER GOOD POK in from lower (POK goes high) 85 87.5 90 %VOUT POK low hysteresis - 5 - %VOUT POK in from higher (POK goes high) 110 112.5 115 %VOUT POK Threshold POK high hysteresis - 5 - %VOUT POK Pull Low Resistance - 1 - k Ω POK Low-to-High Debounce Time - 0.5 - ms |
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