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S-L2980A31MC-TF-G Datasheet(PDF) 6 Page - Seiko Instruments Inc |
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S-L2980A31MC-TF-G Datasheet(HTML) 6 Page - Seiko Instruments Inc |
6 / 23 page HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series Rev.4.1_00 Seiko Instruments Inc. 6 Electrical Characteristics Table 4 (Ta=25 °C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test circuit Output voltage *1 VOUT(E) VIN =VOUT(S)+1.0 V, IOUT=50 mA VOUT(S) × 0.98 VOUT(S) VOUT(S) × 1.02 V 1 Output current *2 IOUT VIN ≥VOUT(S)+1.0 V 150 *5 ⎯ ⎯ mA 3 Dropout voltage *3 Vdrop IOUT = 50 mA 1.5 V ≤V OUT(S) ≤1.7 V ⎯ 0.17 0.33 V 1 1.8 V ≤V OUT(S) ≤1.9 V ⎯ 0.16 0.29 V 1 2.0 V ≤V OUT(S) ≤2.4 V ⎯ 0.15 0.26 V 1 2.5 V ≤V OUT(S) ≤2.9 V ⎯ 0.13 0.20 V 1 3.0 V ≤V OUT(S) ≤3.2 V ⎯ 0.12 0.15 V 1 3.3 V ≤V OUT(S) ≤6.0 V ⎯ 0.11 0.14 V 1 Line regulation OUT IN 1 OUT V V Δ V Δ • VOUT(S)+0.5 V ≤VIN ≤10 V, IOUT=50 mA ⎯ 0.05 0.2 %/V 1 Load regulation ΔV OUT2 VIN=VOUT(S)+1.0 V, 1.0 mA ≤IOUT ≤80 mA ⎯ 12 40 mV 1 Output voltage temperature coefficient *4 OUT OUT V Ta Δ V Δ • VIN=VOUT(S)+1.0 V, IOUT =50 mA, –40 °C ≤Ta ≤85°C ⎯ ±100 ⎯ ppm/ °C 1 Current consumption during operation ISS1 VIN=VOUT(S)+1.0 V, ON/OFF pin=ON, No load ⎯ 90 140 μA 2 Current consumption when shutdown ISS2 VIN=VOUT(S)+1.0 V, ON/OFF pin =OFF, No load ⎯ 0.1 1.0 μA 2 Input voltage VIN ⎯ 2.0 ⎯ 10 V ⎯ ON/OFF pin input voltage “H” VSH VIN=VOUT(S)+1.0 V, RL=1.0 kΩ 1.5 ⎯ ⎯ V 4 ON/OFF pin input voltage “L” VSL VIN=VOUT(S)+1.0 V, RL=1.0 kΩ ⎯ ⎯ 0.3 V 4 ON/OFF pin input current “H” ISH VIN=VOUT(S)+1.0 V, VON/OFF=7.0 V –0.1 ⎯ 0.1 μA 4 ON/OFF pin input current “L” ISL VIN=VOUT(S)+1.0 V, VON/OFF=0 V –0.1 ⎯ 0.1 μA 4 Ripple rejection RR 1.5 V ≤V OUT(S) ≤3.3 V ⎯ 70 ⎯ dB 5 3.4 V ≤V OUT(S) ≤5.0 V ⎯ 65 ⎯ dB 5 VIN=VOUT(S)+1.0 V, f = 1.0 kHz, ΔV rip=0.5 V rms, IOUT=50 mA 5.1 V ≤V OUT(S) ≤6.0 V ⎯ 60 ⎯ dB 5 *1. VOUT(S): Specified output voltage VOUT(E): Actual output voltage at the fixed load The output voltage when fixing IOUT(=50 mA) and inputting VOUT(S)+1.0 V *2. Output current at which output voltage becomes 95 % of VOUT after gradually increasing output current. *3. Vdrop=VIN1−(VOUT×0.98) VIN1 is the input voltage at which output voltage becomes 98 % of VOUT after gradually decreasing input voltage. *4. Temperature change ratio in the output voltage [mV/°C] is calculated by using the following equation. [] [ ] [] 1000 C ppm/ T V ΔTa ΔV V V C mV/ ΔTa ΔV OU OUT OUT(S) OUT ÷ ° • × = ° 3 * 2 * *1 *1. Temperature change ratio of the output voltage *2. Specified output voltage *3. Output voltage temperature coefficient *5. The output current can be supplied at least to this value. Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation of the package when the load is large. This specification is guaranteed by design. |
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