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R5212D017A Datasheet(PDF) 8 Page - RICOH electronics devices division |
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R5212D017A Datasheet(HTML) 8 Page - RICOH electronics devices division |
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8 / 26 page  R5212D 8 • R5212DxxxD Topt =25°C Symbol Item Conditions Min. Typ. Max. Unit VIN Operating Input Voltage 3.0 5.5 V IDD Supply Current VIN =5.0V, VOUT1=0V 400 800 µA VUVLO2 UVLO Release Voltage 2.35 2.50 2.65 V VUVLOHYS UVLO Detector Threshold Voltage Hysteresis 0.05 0.15 0.25 V • DC/DC Part Topt =25°C Symbol Item Conditions Min. Typ. Max. Unit VOUT1 DC/DC Output Voltage VIN =5.0V, at no load OPEN LOOP VOUT1 ×0.98 VOUT1 ×1.02 V ∆VOUT1/ ∆Topt DC/DC Output Voltage Temperature Coefficient 40 °C < = Topt < = 85°C ±100 ppm / °C fosc Oscillator Frequency VIN =5.0V 960 1200 1440 kHz RLX Lx on Resistance VIN =5.0V, ILX=100mA 0.4 0.8 Ω ILXleak Lx Leakage Current VIN =VOUT1=5.5V, VLX=0V 0.01 5.00 µA ILXLIM Lx Current Limit VIN =5.0V 600 850 mA Maxduty Maximum duty cycle 100 % tstart Soft-start Time VIN =5.0V 0.35 1.00 3.00 ms • VR Part Topt =25°C Symbol Item Conditions Min. Typ. Max. Unit VOUT2 VR Output Voltage VOUT1 =3.3V IOUT2 =10mA VOUT2 ×0.98 VOUT2 ×1.02 V IOUT2 Maximum Output Current of VR VIN =5.0V, VOUT1=3.3V 200 mA VREG2 VR Load Regulation VIN −VOUT2=0V 1mA < = IOUT2 < = 80mA 20 60 mV VDIF2 Dropout Voltage IOUT2 =100mA 0.2 0.3 V ILIM2 Short Current Limit VOUT2 =0V 50 mA ∆VOUT2/ ∆Topt VR Output Voltage Temperature Coefficient 40 °C < = Topt < = 85°C ±100 ppm / °C • VD Part Topt =25°C Symbol Item Conditions Min. Typ. Max. Unit −VDET VD Detector Threshold −VDET ×0.975 −VDET ×1.025 V ∆−VDET/ ∆Topt VD Detector Threshold Temperature Coefficient 40 °C < = Topt < = 85°C ±100 ppm / °C VHYS Hysteresis Range −VDET ×0.05 V tPLH VD Output Delay Time for Release VIN =VDOUT=−VDET×0.9 to 5.0 10 50 120 ms IDOUTL VDOUT “L” Output Current VIN =2.0V, VDOUT=0.1V 2 7 20 mA |
Similar Part No. - R5212D017A |
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Similar Description - R5212D017A |
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