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R1212D100A Datasheet(PDF) 9 Page - RICOH electronics devices division |
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R1212D100A Datasheet(HTML) 9 Page - RICOH electronics devices division |
9 / 41 page R1212D 9 • R1212D102C Topt =25°C Symbol Item Conditions Min. Typ. Max. Unit VIN Operating Input Voltage 3.3 5.5 V VFB VFB Voltage Tolerance VIN =3.3V 0.985 1.000 1.015 V ∆VFB/∆VIN VFB Voltage Line Regulation VIN: from 2.2V 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 0.1 µ A AV Open Loop Voltage Gain VIN =3.3V 100 dB fT Unity Gain Frequency Band VIN =3.3V, AV=0 1.0 MHz fosc Oscillator Frequency VIN =3.3V, VDLY=VFB=0V 240 300 360 KHz ∆fosc/∆VIN Oscillator Frequency Line Regulation VIN: from 2.2V to 5.5V 25 KHz ∆fosc/ ∆Topt Oscillator Frequency Temperature Coefficient − 40 °C < = Topt < = 85°C ± 0.5 KHz/ °C IDD1 Supply Current 1 VIN =5.5V, VDLY=VFB=0V EXT at no load 400 800 µ A VREFOUT VREFOUT Voltage VIN =3.3V, IROUT=1mA 1.478 1.500 1.522 V IOUT VREFOUT Maximum Output Current VIN =3.3V 10 mA ∆VREFOUT/ ∆VIN VREFOUT Line Regulation VIN: from 2.2V to 5.5V 5 10 mV ∆VREFOUT/ ∆IROUT VREFOUT Load Regulation VIN =3.3V, IROUT: from 0.1mA to 5.0mA 6 15 mV Ilim VREFOUT Short Current Limit VIN =3.3V, VREFOUT=0V 20 mA ∆VREFOUT/ ∆Topt VREFOUT Voltage Temperature Coefficient − 40 °C < = Topt < = 85°C ± 150 ppm/ °C REXTH EXT "H" ON Resistance VIN =3.3V, IEXT=−50mA 2.5 6.0 Ω REXTL EXT "L" ON Resistance VIN =3.3V, IEXT=50mA 1.5 4.0 Ω tr EXT Rising Time VIN =3.3V, CL=1000pF 12 ns tf EXT Falling Time VIN =3.3V, CL=1000pF 8 ns IDLY1 DELAY Pin Charge Current VIN =3.3V, VDLY=VFB=0V 2.0 4.5 7.0 µ A IDLY2 DELAY Pin Discharge Current VIN =VFB=2.2V, VDLY=0.1V 0.08 0.20 0.36 mA VDLY DELAY Pin Detector Threshold VIN =3.3V, VFB=0V, VDLY=0V to 2V 0.95 1.00 1.05 V VUVLO1 UVLO Detector Threshold VIN =3.3V to 0V, VDLY=VFB=0V 2.6 2.8 3.0 V VUVLO2 UVLO Released Voltage VIN =0V to 3.3V, VDLY=VFB=0V VUVLO1 + 0.25 3.30 V VDTC0 Duty =0% DTC Pin Voltage VIN =3.3V 0.05 0.18 0.25 V VDTC20 Duty =20% DTC Pin Voltage VIN =3.3V 0.3 V VDTC80 Duty =80% DTC Pin Voltage VIN =3.3V 0.75 V Maxduty Maximum Duty Cycle VIN =3.3V 85.5 91.5 97.5 % IAMPH AMP "H" Output Current VIN =3.3V, VAMP=1.0V, VFB=0.9V 0.5 1.0 1.8 mA IAMPL AMP "L" Output Current VIN =3.3V, VAMP=1.0V, VFB=1.1V 50 90 150 µ A |
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Similar Description - R1212D100A |
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