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R1250V301A Datasheet(PDF) 6 Page - RICOH electronics devices division |
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R1250V301A Datasheet(HTML) 6 Page - RICOH electronics devices division |
6 / 14 page R1250V××1A 5 ELECTRICAL CHARACTERISTICS R1250V ××1A (Unless otherwise provided, VIN=5.0V, Topt=25°C, CP, COUT = Ceramic 4.7µF) Symbol Item Conditions MIN. TYP. MAX. Unit Set Output Voltage = -2.7V to -2.0V 2.7 VIN Operating Input Voltage Set Output Voltage = -4.0V to -2.8V |Set VOUT| 5.5 V -2.4V to -2.0V 1.50 2.30 -2.9V to -2.5V 1.60 2.55 -3.4V to -3.0V 1.70 2.75 ISS Supply Current Operation: Active, for IC itself *Note1 -4.0V to -3.5V 1.80 3.00 mA ISTB Shut-down Current Operation: Shut-down, for IC itself *Note2 0.1 1 µA -2.4V to -2.0V ×0.95 ×1.05 -2.9V to -2.5V ×0.96 ×1.04 -3.4V to -3.0V ×0.97 ×1.03 IOUT=0mA/10mA -4.0V to -3.5V ×0.97 ×1.03 IOUT=50mA -2.4V to -2.0V ×0.88 ×1.12 -2.9V to -2.5V ×0.89 ×1.11 -3.4V to -3.0V ×0.91 ×1.09 VOUT Output Voltage IOUT=75mA -4.0V to -3.5V ×0.92 ×1.08 V Vref Reference Voltage*Note3 No load VOUT V IOUT=10mA to 50mA -2.4V to -2.0V ∆VOUT/ ∆IOUT Load Regulation IOUT=10mA to 75mA -4.0V to -2.5V 0.7 mV/ mA fosc Oscillator Frequency Output Frequency 238 280 322 kHz ∆fosc/∆T Oscillator Frequency Temperature Coefficient ±0.25 kHz/ °C Duty Oscillator Duty Cycle At no Load 50 % VSDH CE “H” Input Voltage 1.5 V VSDL CE “L” Input Voltage 0.25 V RPU CE Pull-up Resistance 0.68 1.25 3.00 MΩ RO Resistance between VOUT and GND 5kΩ *Note1 Refer to Test Circuit 1. *Note2: Refer to Test Circuit 6. *Note3: Do not connect ant load. Refer to Technical Notes. *Use Ceramic Capacitors with low ESR. Capacitors with high ESR could have bad effect on the performance of this IC. |
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