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R1111N301B-TR-FE Datasheet(PDF) 6 Page - RICOH electronics devices division |
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R1111N301B-TR-FE Datasheet(HTML) 6 Page - RICOH electronics devices division |
6 / 18 page R1111N 6 ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Topt = 25°C Output Current IOUT (mA) Output Voltage VOUT (V) Condition Min. 1.5 ≤ VSET ≤ 1.7 100 1.8 ≤ VSET ≤ 5.0 VIN=V + SET 1V 150 Topt = 25°C Dropout Voltage VDIF (V) Output Voltage VOUT (V) Condition Min. Typ. Max. 1.5 0.5 1.6 0.4 1.7 0.3 1.8 ≤ VSET ≤ 1.9 0.60 1.40 2.0 ≤ VSET ≤ 2.4 0.35 0.70 2.5 ≤ VSET ≤ 2.7 0.24 0.35 2.8 ≤ VSET ≤ 3.3 0.20 0.30 3.4 ≤ VSET ≤ 5.0 IOUT = 100mA 0.17 0.26 OPERATION R1111Nxx1A R1111Nxx1B VDD 15 2 3 VOUT GND R2 R1 CE Current Limit Vref VDD 15 2 3 VOUT GND R2 R1 CE Current Limit Vref In these ICs, fluctuation of output voltage, VOUT is detected by feed-back registers R1, R2, and the result is compared with a reference voltage by the error amplifier, so that a constant voltage is output. A current limit ircuit for protection at short mode and a chip enable circuit, are included. c |
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