r1122n RICOH Co.,Ltd., r1122n Datasheet
r1122n
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r1122n Summary of contents
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OUTLINE FEATURES • • • • • • • • • • • • • APPLICATIONS • • • LOW NOISE 150mA LDO REGULATOR µ µ 287 ± ° ± NO. EA-060-0204 1 ...
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... R1122N BLOCK DIAGRAM R1122Nxx1A Vref Current Limit CE 4 SELECTION GUIDE ↑ ↑ ↑ Code OUT GND ← Contents 287 R1122Nxx1B 1 V OUT _ + Vref GND Current Limit 2 ...
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... PIN CONFIGURATION PIN DESCRIPTION Pin No. ABSOLUTE MAXIMUM RATINGS Symbol ,1 &( 287 287 ' SOT-23 (mark side) V GND V OUT Symbol Description 287 '' Item R1122N Rating Unit ,1 ,1 ° ° 3 ...
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... R1122N ELECTRICAL CHARACTERISTICS • R1122Nxx1A Symbol Item 287 287 ∆ ∆ 287 287 ',) 66 ∆ ∆ 287 ,1 ,1 ∆ ∆ 287 38 &(+ &(/ 4 Conditions Min. ,1 287 287 ≤ ≤ × 287 ,1 287 287 287 ,1 287 ≤ ≤ 287 ,1 287 ,1 &( 287 ≤ ...
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... R1122Nxx1B Symbol Item 287 287 ∆ ∆ 287 287 ',) 66 ∆ ∆ 287 ,1 ,1 ∆ ∆ 287 3' &(+ &(/ Conditions Min. ,1 287 287 ≤ ≤ × 287 ,1 287 287 287 ,1 287 ≤ ≤ 287 ,1 287 ,1 287 &( ≤ ≤ 287 ,1 287 ...
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... R1122N • ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Output Voltage V ≤ ≤ ≤ ≤ ≤ OPERATION R1122xx1A Vref CE Current Limit 4 6 Dropout Voltage (V) OUT Conditions ≤ 287 ≤ 287 ≤ 287 287 ≤ 287 ≤ 287 OUT GND CE 2 287 ° ...
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... Test Circuit V OUT V DD OUT OUT SS 2.2µF Fig.2 Supply Current Test Circuit V OUT OUT OUT 2.2µF Fig.4 Load Transient Response Test Circuit R1122N OUT OUT R1122Nxx1B 1 Series 2 GND OUT OUT R1122Nxx1B 1 Series I OUT 2 GND ...
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... R1122N TECHNICAL NOTES '' TYPICAL APPLICATION CE R1122Nxx1A IN V Series DD + GND Cap. 8 287 µ V OUT OUT IN + Cap. Cap. µ µ µ R1122Nxx1B V OUT V Series DD + GND OUT + Cap. ...
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... 100 200 300 Output Current I OUT 2.5 2 1 400 500 (mA 400 500 0 (mA) 400 500 (mA) R1122N R1122N201B V =2. =2. =3. =4.0V IN 100 200 300 400 500 Output Current I (mA) OUT R1122N401B V =4. =4. =5. =6.0V IN 100 ...
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... I =1mA OUT I =30mA OUT I =50mA OUT ( =1mA OUT I =30mA OUT I =50mA OUT (V) IN R1122N201B 2.100 2.000 1.900 1.800 1.700 I OUT 1.600 I OUT I OUT 1.500 Input Voltage V (V) IN R1122N401B 4.500 4.000 3.500 3.000 I OUT I 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 R1122N R1122N201B Topt=-40°C Topt=25°C Topt=85°C 50 100 150 Output Current I (mA) OUT R1122N401B Topt=-40°C Topt=25°C Topt=85°C 50 100 150 Output Current I (mA) ...
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... =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 =2.2µF I =30mA OUT OUT 25 100 50 75 R1122N201B V =3.0V C =1µ =2.2µF I =30mA OUT OUT -50 - Temperature Topt (°C) R1122N401A/B V =5.0V C =1µ =2.2µF I =30mA OUT OUT -50 - Temperature Topt (° ...
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... Input Voltage V 120 100 (V) IN 120 100 ( (V) IN R1122N R1122N201B Input Voltage V (V) IN R1122N401B Input Voltage V ( ...
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... OUT 100 V =4.0V C =1µ =2.2µF OUT 100 V =6.0V C =1µ =2.2µF OUT 100 R1122N201A/B V =3. =2.2µF OUT 200 150 100 50 0 -50 - Temperature Topt (°C) R1122N401A/B V =5. =2.2µF OUT 200 150 100 50 ...
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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 R1122N R1122N201A/B V =3.0V+0.5Vp =2.2µF I =30mA OUT OUT 1 10 100 Frequency Freq (kHz) R1122N401A/B V =5.0V+0.5Vp =2.2µF I =30mA OUT OUT 1 10 100 Frequency Freq (kHz) 15 ...
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... 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 OUT f=400Hz f=1kHz f=10kHz 3.30 3.40 3.50 (V) IN R1122N151B Ch2 20.0mV M20.0µs R1122N301B C =Ceramic 2.2µF OUT I =10mA OUT f=400Hz f=1kHz f=10kHz 0.00 3.10 3.20 3.30 3.40 Input Voltage V (V) IN ↔ ,1 287 ,1 µ 287 µ 3.50 ° ...
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... V OUT 2→ Ch1 1.00V Ch2 20.0mV M20.0µs R1122N401B Tek Run : 2.50MS/s Average V IN 1→ V OUT 2→ Ch1 1.00V Ch2 20.0mV M20.0µs R1122N ° ↔ ,1 287 ,1 µ 287 µ ° ↔ ,1 287 ,1 µ 287 µ ° ↔ ,1 287 ,1 µ ...
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... Ch1 500mV Tek Run : 2.50MS/s Average I OUT 1→ V OUT 2→ Ch1 500mV 18 R1122N501B Ch2 20.0mV M20.0µs R1122N151B Ch2 50.0mV M20.0µs R1122N201B Ch2 50.0mV M20.0µs ° ↔ ,1 287 ,1 µ 287 µ ° ↔ 287 ,1 µ ,1 µ 287 µ ...
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... V OUT 2→ Ch1 500mV Ch2 50.0mV M20.0µs R1122N501B Tek Run : 2.50MS/s Average I OUT 1→ V OUT 2→ Ch1 500mV Ch2 50.0mV M20.0µs R1122N ° ↔ 287 ,1 µ ,1 µ 287 µ ° ↔ 287 ,1 µ ,1 µ 287 µ ° ↔ 287 ,1 µ ...
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... R1122N TECHNICAL NOTES Ceramic V Cap 287 ° OUT1 Ceramic Cap. R1122Nxx1B ESR 3 V GND DD 2 Measuring Circuit for white noise; R1122Nxx1B 287 µ Spectrum Analyzer S.A I OUT ...