r1112n RICOH Co.,Ltd., r1112n Datasheet
r1112n
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r1112n Summary of contents
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OUTLINE FEATURES • • • • • • • • • • • • • • APPLICATIONS • • • LOW NOISE 150mA LDO REGULATOR µ µ 287 ° NO. EA-059-0204 1 ...
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... R1112N BLOCK DIAGRAM R1112Nxx1A Vref Current Limit CE 3 SELECTION GUIDE ↑ ↑ ↑ ↑ Code OUT DD GND ← Contents 287 R1112Nxx1B 5 V OUT Vref Current Limit GND 2 ...
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... PIN CONFIGURATION PIN DESCRIPTION Pin No. ABSOLUTE MAXIMUM RATINGS Symbol ,1 &( 287 287 ' SOT-23 OUT (mark side) V GND Symbol Description '' 287 Item R1112N Rating Unit ,1 ,1 ° ° 3 ...
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... R1112N ELECTRICAL CHARACTERISTICS • R1112Nxx1A Symbol Item 287 287 ∆ ∆ 287 287 ',) 66 ∆ ∆ 287 ,1 ,1 ∆ ∆ 287 38 &(+ &(/ 4 Conditions Min. ,1 287 287 ≤ ≤ × 287 ,1 287 ,1 287 ≤ ≤ 287 ,1 287 ,1 &( 287 ≤ ≤ 287 ...
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... R1112Nxx1B Symbol Item 287 287 ∆ ∆ 287 287 ',) 66 ∆ ∆ 287 ,1 ,1 ∆ ∆ 287 3' &(+ &(/ • ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Output Voltage V (V) OUT ≤ ≤ 287 ≤ ≤ 287 ≤ ≤ 287 ≤ ≤ 287 ≤ ...
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... R1112N OPERATION R1112Nxx1A Vref CE Current Limit 3 TECHNICAL NOTES '' OUT GND 287 287 µ R1112Nxx1B 5 V OUT R1 Vref R2 Current Limit GND 2 '' ...
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... Test Circuit V V OUT DD OUT R1112Nxx1B Series I I OUT SS 2.2µF Fig.2 Supply Current Test Circuit V V OUT DD OUT R1112Nxx1B Series I OUT 2.2µF Fig.4 Load Transient Response Test Circuit R1112N OUT OUT 5 2 GND OUT OUT 5 2 GND I1 I2 ...
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... R1112N TYPICAL APPLICATION R1112Nxx1A DD Series GND Cap OUT IN OUT Cap. Cap. µ µ µ R1112Nxx1B OUT DD Series GND Cap. OUT ...
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... V =7. 100 200 300 Output Current I OUT 2.5 2 1 400 500 (mA 400 500 0 (mA) 400 500 (mA) R1112N R11x2N201B V =2. =2. =3. =4.0V IN 100 200 300 400 500 Output Current I (mA) OUT R11x2N401B V =4. =4. =5. =6.0V IN ...
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... R1112N 2) Output Voltage vs. Input Voltage R11x2N151B 1.600 1.500 1.400 1.300 1.200 1.100 1.000 Input Voltage V R11x2N301B 3.100 3.000 2.900 2.800 2.700 2.600 2.500 2 3 Input Voltage V R11x2N501B 5.500 5.000 4.500 4.000 3.500 3.000 2.500 2 3 Input Voltage =1mA OUT ...
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... OUT 0.600 0.500 0.400 0.300 0.200 0.100 0.000 100 150 0 (mA) OUT 100 150 (mA) OUT R1112N R11x2N201B Topt=-40°C Topt=25°C Topt=85°C 50 100 150 Output Current I (mA) OUT R11x2N401B Topt=-40°C Topt=25°C Topt=85°C 50 100 150 Output Current I ...
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... R1112N 4) Output Voltage vs. Temperature R11x2N151A/B 1.53 1.52 1.51 1.50 1.49 1.48 1.47 -50 -25 0 Temperature Topt (°C) R11x2N301A/B 3.06 3.04 3.02 3.00 2.98 2.96 2.94 -50 -25 0 Temperature Topt (°C) R11x2N501A/B 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -50 -25 0 Temperature Topt (° =2.5V C =1µ =2.2µF I =30mA OUT OUT 2.10 2.08 2.06 2.04 2.02 2.00 1.98 1.96 1.94 1.92 1.90 25 100 =4.0V C =1µ =2.2µF I =30mA OUT OUT 4.08 4.06 4.04 4.02 4.00 3.98 3.96 3.94 3. 100 V =6.0V C =1µ =2.2µ ...
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... Input Voltage V 120 100 (V) IN 120 100 ( (V) IN R1112N R11x2N201B Input Voltage V (V) IN R11x2N401B Input Voltage V ( ...
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... R1112N 6) Supply Current vs. Temperature R11x2N151A/B 200 150 100 50 0 -50 -25 0 Temperature Topt (°C) R11x2N301A/B 200 150 100 50 0 -50 -25 0 Temperature Topt (°C) R11x2N501A/B 200 150 100 50 0 -50 -25 0 Temperature Topt (° =2.5V C =1µ =2.2µF OUT 100 V =4.0V C =1µF ...
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... OUT 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0.1 1 Frequency Freq (kHz) V =2.5V+0.5Vp-p IN =30mA OUT 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 10 100 0.1 V =4.0V+0.5Vp-p IN =30mA OUT 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 10 100 0.1 V =6.0V+0.5Vp-p IN =30mA OUT 10 100 R1112N R11x2N201A/B V =3.0V+0.5Vp =2.2µF I =30mA OUT OUT 1 10 100 Frequency Freq (kHz) R11x2N401A/B V =5.0V+0.5Vp =2.2µF I =30mA OUT OUT 1 10 100 Frequency Freq (kHz) 15 ...
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... R1112N 8) Ripple Rejection vs. Input Voltage (DC bias) R11x2N301B 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 3.10 3.20 Input Voltage V R11x2N301B 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 3.10 3.20 Input Voltage V 9) Input Transient Response Tek Run : 2.50MS/s Average V IN 1→ V OUT 2→ Ch1 Ch1 1.00V 16 C =Ceramic 2.2µF OUT I =1mA OUT 90.00 80.00 70.00 60.00 50.00 40.00 30.00 f=400Hz 20.00 f=1kHz f=10kHz 10.00 3.30 3.40 3.50 ( =Ceramic 2.2µF OUT I =50mA ...
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... V OUT 2→ Ch1 1.00V Ch2 20.0mV M20.0µs R11x2N401B Tek Run : 2.50MS/s Average V IN 1→ V OUT 2→ Ch1 1.00V Ch2 20.0mV M20.0µs R1112N ° ↔ ,1 287 ,1 µ 287 µ ° ↔ ,1 287 ,1 µ 287 µ ° ↔ ,1 287 ,1 µ ...
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... R1112N Tek Run : 2.50MS/s Average V IN 1→ V OUT 2→ Ch1 1.00V 10) Load Transient Response Tek Run : 2.50MS/s Average I OUT 1→ V OUT 2→ Ch1 500mV Tek Run : 2.50MS/s Average I OUT 1→ V OUT 2→ Ch1 500mV 18 R11x2N501B Ch2 20.0mV M20.0µs R11x2N151B Ch2 50.0mV M20.0µ ...
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... V OUT 2→ Ch1 500mV Ch2 50.0mV M20.0µs R11x2N501B Tek Run : 2.50MS/s Average I OUT 1→ V OUT 2→ Ch1 500mV Ch2 50.0mV M20.0µs R1112N ° ↔ 287 ,1 µ ,1 µ 287 µ ° ↔ 287 ,1 µ ,1 µ 287 µ ° ↔ 287 ,1 µ ...
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... OUT 100 10 1 0.1 0. OUT 20 287 OUT1 Ceramic R1112Nxx1B Cap. ESR 1 V GND IN 2 Measuring Circuit for white noise; R1112Nxx1B 287 µ =2.2µ 120 150 (mA) S.A Spectrum I Analyzer OUT R11x2N151B C =4.7µF,C =2.2µF OUT IN 100 10 1 0.1 0. ...
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... R11x2N301B C =2.2µF,C =2.2µF OUT IN 100 10 1 0.1 0. 120 I (mA) OUT R11x2N301B C =4.7µF,C OUT 100 10 1 0.1 0.01 150 0 30 R1112N =2.2µ 120 150 I (mA) OUT 21 ...