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NJW4152GM1-A-T Datasheet(PDF) 4 Page - New Japan Radio |
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NJW4152GM1-A-T Datasheet(HTML) 4 Page - New Japan Radio |
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4 / 23 page  NJW4152-AB - 4 - Ver.2013-01-23 ELECTRICAL CHARACTERISTICS (Unless otherwise noted, V+=VON/OFF=12V, RT=27kΩ, Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Under Voltage Lockout Block ON Threshold Voltage VT_ON V+= L → H 3.2 3.4 3.6 V OFF Threshold Voltage VT_OFF V+= H → L 3.1 3.3 3.5 V Hysteresis Voltage VHYS 60 100 – mV Soft Start Block Soft Start Time TSS VB=0.75V 2 4 8 ms Oscillator Block Oscillation Frequency fOSC 630 700 770 kHz Oscillation Frequency (Low Frequency Control) fOSC_LOW VIN-=0.4V, VFB=0.55V – 270 – kHz RT pin Voltage VRT 0.24 0.275 0.31 V Oscillation Frequency deviation (Supply voltage) fDV V+=4.6V to 40V – 1 – % Oscillation Frequency deviation (Temperature) fDT Ta=-40 °C to +85°C – 2 – % Error Amplifier Block Reference Voltage VB -1.0% 0.8 +1.0% V Input Bias Current IB -0.1 – +0.1 µA Open Loop Gain AV – 80 – dB Gain Bandwidth GB – 0.6 – MHz Output Source Current IOM+ VFB=1V, VIN-=0.7V 8 16 24 µA Output Sink Current IOM- VFB=1V, VIN-=0.9V 1 2 4 mA PWM Comparate Block Maximum Duty Cycle MAXDUTY VIN-=0.7V 100 – – % Output Block Output ON Resistance RON ISW=1A – 0.3 0.5 Ω Switching Current Limit ILIM 1.4 1.7 2.0 A Switching Leak Current ILEAK VON/OFF=0V, V +=45V, V SW=0V – – 1 µA ON/OFF Block ON Control Voltage VON VON/OFF= L → H 1.6 – V+ V OFF Control Voltage VOFF VON/OFF= H → L 0 – 0.5 V Pull-down Resistance RPD – 480 – k Ω General Characteristics Quiescent Current IDD RL=no load, VIN-=0.7V, VFB=0.55V – 2.5 2.8 mA Standby Current IDD_STB VON/OFF=0V – – 1 µA |
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