S-L2980A50MC-TF-G Seiko Instruments, S-L2980A50MC-TF-G Datasheet
S-L2980A50MC-TF-G
Specifications of S-L2980A50MC-TF-G
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S-L2980A50MC-TF-G Summary of contents
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... Seiko Instruments Inc., 2001-2010 The S-L2980 series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current consumption developed based on CMOS technology. A built-in low on-resistance transistor provides a low dropout voltage and a large output current. A shutdown circuit ensures long battery life ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series Block Diagram VIN ON/OFF VSS *1. Parasitic diode 2 + Shutdown circuit − Reference voltage circuit Figure 1 Seiko Instruments Inc. Rev.5.0 *1 VOUT _00 ...
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... Product Name Structure • The product types and output voltage for S-L2980 Series can be selected at the user’s request. Refer to the “1. Product Name” for the meanings of the characters in the product name, “2. Package” regarding the package drawings and “3. Product Name List” for the full product names. ...
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... V ±2.0 % 5.4 V ±2.0 % 5.5 V ±2.0 % 5.6 V ±2.0 % 5.7 V ±2.0 % 5.8 V ±2.0 % 5.9 V ±2.0 % 6.0 V ±2.0 % Remark 1. Please contact our sales office for type B products Please select products of environmental code = U for Sn 100%, halogen-free products. 4 Table 1 SOT-23-5 S-L2980A15MC-TF-x S-L2980A16MC-TF-x S-L2980A17MC-TF-x S-L2980A18MC-TF-x S-L2980A19MC-TF-x S-L2980A20MC-TF-x ...
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... Board size : (2) Board name : JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. Figure 3 Power Dissipation of Package (When Mounted on Board) Table 2 Pin No ...
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... 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. 6 Table 4 ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.5.0 _00 Test Circuits VIN VOUT ON/OFF VSS Set to power ON Figure 4 + VIN VOUT A ON/OFF VSS Set GND IN Figure 5 + VIN VOUT VSS ON/OFF Set to power ON Figure 6 VIN VOUT + A ON/OFF VSS Figure 7 VIN VOUT ON/OFF ...
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... IN *2. A ceramic capacitor of 1.0 μF or more can be used for C 2.2 μF or more can be used for the product whose output voltage is 1 less. Caution The above connection diagram and constant will not guarantees successful operation. Perform through evaluation using the actual application to set the constant. ...
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... L can be used. 3. Output Voltage (V ) OUT The accuracy of the output voltage is ensured at ± 2.0 % under the specified conditions of fixed input *1 voltage , fixed output current, and fixed temperature. *1. Differs depending upon the product. Caution If the above conditions change, the output voltage value may vary and exceed the accuracy range of the output voltage. Refer to the “ ...
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... Temperatur e Coefficien t of The shadowed area in Figure 10 is the range where V when the temperature coefficient of the output voltage is ±100 ppm/°C. V OUT(E) *1. V Temperature change ratio in the output voltage [mV/°C] is calculated by using the following equation. Δ OUT *1 ° = mV/ C ΔTa *1. Temperature change ratio of the output voltage *2 ...
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... Operation 1. Basic Operation Figure 11 shows the block diagram of the S-L2980 Series. The error amplifier compares the reference voltage (V resistance-divided by the feedback resistors R voltage necessary to ensure certain output voltage free of any fluctuations of input voltage and temperature. VIN Current source V Reference voltage circuit VSS *1 ...
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... In addition, please note that current consumption increases if a voltage of 0 VIN–0 applied to the ON/OFF pin. When the ON/OFF pin is not used, connect it to the VIN pin in case the logic type is “A” and to the VSS pin in case of “B”. ...
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... Equivalent Series Resistance (ESR): 10 Ω or less Input series resistance (R IN *1. If the product whose output voltage will less is used, the capacitance should be 2.2 μF or more. • A voltage regulator may oscillate when the impedance of the power supply is high and the input capacitor is small or not connected. • ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series Typical Characteristics 1. Output voltage versus Output current (When load current increases) S-L2980A15 (Ta=25°C) 2.0 1.5 1 2.0 V 0.5 0.0 0 100 200 I [mA] OUT S-L2980A50 (Ta=25°C) 6.0 5 ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.5.0 _00 3. Output voltage versus Input voltage S-L2980A15 (Ta=25°C) 1.60 1.55 I =1.0 mA OUT 1.50 100 mA 1. 1.40 1.0 1.5 2 S-L2980A50 (Ta=25°C) 5.20 5.10 I =1.0 mA OUT 5.00 100 mA 4. 4.80 4.5 5.0 5 ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series 5. Output voltage versus Ambient Temperature S-L2980A15 1.53 1.52 1.51 1.50 1.49 1.48 1.47 – [°C] S-L2980A50 5.10 5.05 5.00 4.95 4.90 – [°C] 6. Line regulation versus Ambient Temperature S-L2980Axx S-L2980A30 30 S-L2980A15 ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.5.0 _00 8. Threshold voltage of ON/OFF pin versus Input voltage S-L2980A15 =100 Ω, C =4.7 μ 1.5 85°C 1.0 0.5 85°C 25°C 0 Current consumption versus Input voltage S-L2980A15 100 80 60 Ta=–40° S-L2980A50 100 Ta=– ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series Reference Data 1. Transient Response Characteristics (S-L2980A30MC, Typical data, Ta=25°C) Input voltage or Load current Output voltage 1-1. Power Source Fluctuation Overshoot =4.0 →5 ON/OFF 3. 3.05 V OUT 3.0 =2.2 μ TIME (20 μs / div.) ...
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... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.5.0 _00 1-2. Load Fluctuation Overshoot =4 ON/OFF I OUT 3.10 3.05 V OUT 3.0 =2.2 μ TIME (20 μs / div.) 1-3. ON/OFF Switching (S-L2980A50MC, Typical data, Ta=25°C) Overshoot V =6 =5.0 kΩ ON/OFF OUT 0 TIME (20 μs / div.) Undershoot =50 mA→ ...
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... Seiko Instruments Inc. is strictly prohibited. • The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc. ...