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R1215D002A Datasheet(PDF) 7 Page - RICOH electronics devices division |
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R1215D002A Datasheet(HTML) 7 Page - RICOH electronics devices division |
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7 / 22 page  R1215D 7 • R1215D002F Topt =25°C Symbol Item Conditions Min. Typ. Max. Unit VIN Operating Input Voltage 1.8 5.5 V VFB VFB Voltage Tolerance VIN =2.5V 0.985 1.000 1.015 V ∆VFB/∆VIN VFB Voltage Line Regulation VIN: from 1.8V to 5.5V 3 mV ∆VFB/∆Topt VFB Voltage Temperature Coefficient − 40 °C < = Topt < = 85°C ± 150 ppm/ °C IFB VFB Input Current VIN =5.5V, VFB=0V or 5.5V −0.1 0 0.1 µ A AV Open Loop Voltage Gain VIN =2.5V 100 dB fT Unity Gain Frequency Band VIN =2.5V, AV=0 1.0 MHz fosc Oscillator Frequency VIN =2.5V, VDLY=VFB=0V 1.190 1.400 1.610 MHz ∆fosc/∆VIN Oscillator Frequency Line Regulation VIN: from 1.8V to 5.5V 100 KHz ∆fosc/∆Topt Oscillator Frequency Temperature Coefficient − 40 °C < = Topt < = 85°C ± 0.6 KHz/ °C IDD1 Supply Current 1 VIN =5.5V, VDLY=VFB=0V 900 1800 µ A VREFOUT VREFOUT Voltage VIN =2.5V,IROUT=1mA 1.280 1.300 1.320 V IOUT VREFOUT Maximum Output Current VIN =2.5V 10 mA ∆VREFOUT/ ∆VIN VREFOUT Line Regulation VIN: from 1.8V to 5.5V 5 10 mV ∆VREFOUT/ ∆IROUT VREFOUT Load Regulation VIN =2.5V, IROUT: from 0.1mA to 5.0mA 6 20 mV ILIM VREFOUT Short Current Limit VIN =2.5V, VREFOUT=0V 15 mA ∆VREFOUT/ ∆Topt VREFOUT Voltage Temperature Coefficient − 40 °C < = Topt < = 85°C ± 150 ppm/ °C REXTH EXT "H" ON Resistance VIN =2.5V, IEXT=−50mA 2.8 6.0 Ω REXTL EXT "L" ON Resistance VIN =2.5V, IEXT=50mA 1.8 4.0 Ω tr EXT Rising Time VIN =2.5V, CEXT=1000pF 12 ns tf EXT Falling Time VIN =2.5V, CEXT=1000pF 8 ns IDLY1 DELAY Pin Charge Current VIN =2.5V, VDLY=VFB=0V 3.0 6.0 8.5 µ A IDLY2 DELAY Pin Discharge Current VIN =VFB=1.8V, VDLY=0.1V 0.08 0.18 0.36 mA VDLY DELAY Pin Detector Threshold VIN =2.5V, VFB=0V, VDLY=0V to 2V 0.95 1.00 1.05 V VUVLO1 UVLO Detector Threshold VIN =2.5V to 0V, VDLY=VFB=0V 1.50 1.60 1.70 V VUVLO2 UVLO Released Voltage VIN =0V to 2.5V, VDLY=VFB=0V 1.56 1.67 1.78 V VHYS UVLO Hysteresis Range 0.03 0.07 0.11 V VDTC0 Duty =0% DTC Pin Voltage VIN =2.5V 0.28 0.38 0.48 V VDTC20 Duty =20% DTC Pin Voltage VIN =2.5V 0.47 V VDTC80 Duty =80% DTC Pin Voltage VIN =2.5V 0.93 V VDTC100 Duty =100% DTC Pin Voltage VIN =2.5V 0.92 1.02 1.12 V IAMPH AMP "H" Output Current VIN =2.5V, VAMP=1.0V, VFB=0.9V 1.6 3.2 5.8 mA IAMPL AMP "L" Output Current VIN =2.5V, VAMP=1.0V, VFB=1.1V 40 85 130 µ A |
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Similar Description - R1215D002A |
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