S-1111 Copal Electronics Inc, S-1111 Datasheet
S-1111
Specifications of S-1111
T0737709
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S-1111 Summary of contents
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... An ON/OFF circuit ensures a long battery life, and a small SOT-23-5 package realize high-density mounting. The lineup includes the S-1111 and S-1121 Series, which differ in pin configuration. 1 5.5 V, selectable in 0.1 V steps. 200 mV typ. (3.0 V output product, I During operation: 35 μ ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series Block Diagram VIN ON/OFF VSS *1. Parasitic diode 2 Overcurrent protector + ON/OFF − circuit Reference voltage circuit Figure 1 Seiko Instruments Inc. Rev.4.1 _00 *1 VOUT ...
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... Product Name Structure • The product types and output voltage for the S-1111/1121 Series can be selected at the user’s request. Refer to the “Product name” for the meanings of the characters in the product name and “Product name list” for the full product names. ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series 2. Product name list (S-1111 Series) Output Voltage 1.5V±1.0% 1.6V±1.0% 1.7V±1.0% 1.8V±1.0% 1.9V±1.0% 2.0V±1.0% 2.1V±1.0% 2.2V±1.0% 2.3V±1.0% 2.4V±1.0% 2.5V±1.0% 2.6V±1.0% 2.7V±1.0% 2.8V± ...
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... Refer to the “Product name list”. *3. Refer to 3. Shutdown pin (ON/OFF pin) in the “Operation”. MC – xxx TF G Seiko Instruments Inc. S-1111/1121 Series IC direction in tape specifications *2 Product name (abbreviation) Package name (abbreviation) MC: SOT-23-5 Output voltage (e.g., when the output voltage is 1 expressed as 15 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series 4. Product name list (S-1121 Series) Output Voltage 1.5V±1.0% 1.6V±1.0% 1.7V±1.0% 1.8V±1.0% 1.9V±1.0% 2.0V±1.0% 2.1V±1.0% 2.2V±1.0% 2.3V±1.0% 2.4V±1.0% 2.5V±1.0% 2.6V±1.0% 2.7V±1.0% 2.8V± ...
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... VIN 4 ON/OFF * *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Seiko Instruments Inc. S-1111/1121 Series (S-1111 Series) Description Input voltage pin GND pin Shutdown pin No connection Output voltage pin (S-1121 Series) Description Output voltage pin GND pin Input voltage pin ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series Absolute Maximum Ratings Item Input voltage Output voltage Power dissipation Operating ambient temperature Storage temperature *1. When mounted on board [Mounted on board] 114.3 mm × 76.2 mm × t1.6 mm (1) Board size : (2) Board name : JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage ...
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... V and I IN OUT(S) OUT Δ ° ÷ OUT 3 * ppm/ C 1000 Δ • OUT Seiko Instruments Inc. S-1111/1121 Series ( °C unless otherwise specified) Min. Typ OUT(S) OUT(S) × 0.99 ⎯ *5 150 ≤ 1.9 V ⎯ 0.60 ≤ 2.4 V ⎯ 0.35 ≤ 2.7 V ⎯ 0.24 ≤ ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series Test Circuits 1. Set to power VIN VOUT + V ON/OFF VSS Figure VIN VOUT ON/OFF VSS Set GND IN Figure 5 + VIN VOUT A ON/OFF VSS Set to power ON Figure 6 VOUT VIN + A V ON/OFF VSS Figure 7 VIN VOUT + V ON/OFF ...
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... Caution A general series regulator may oscillate, depending on the external components selected. Check that no oscillation occurs with the application using the above capacitor. Input VIN VOUT *1 ON/OFF C IN VSS Single GND * capacitor for stabilizing the input. IN *2. A tantalum capacitor (2.2 μF or more) can be used. Figure 9 Seiko Instruments Inc. S-1111/1121 Series Output * GND 11 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series Explanation of Terms 1. Low dropout voltage regulator The low dropout voltage regulator is a voltage regulator whose dropout voltage is low due to its built-in low on-resistance transistor. 2. Output voltage (V ) OUT The accuracy of the output voltage is ensured at ±1.0% under the specified conditions of fixed input ...
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... Change in temperature of output voltage *2. Specified output voltage *3. Output voltage temperature coefficient Δ ⎛ V OUT ⎜ ⎜ output voltage Δ • ⎝ OUT Ex. S-1111/1121B28 Typ. V OUT [V] *1 − the value of the output voltage measured at 25°C. OUT(E) Figure 10 Δ × ° ÷ OUT ...
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... Current supply V ref Reference voltage VSS *1. Parasitic diode 2. Output transistor The S-1111/1121 Series uses a low on-resistance P-channel MOS FET as the output transistor. Be sure that V does not exceed V OUT to inverse current flowing from VOUT pin through a parasitic diode to VIN pin. 14 ref and R ...
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... ESR (Equivalent Series Resistance) of the output capacitor to enable stable operation independent of changes in the output load. Therefore, always place a capacitor (C For stable operation of the S-1111/1121 Series essential to employ a capacitor whose ESR is within an optimum range. Using a capacitor whose ESR is outside the optimum range (approximately 0 Ω), whether larger or smaller, may cause an unstable output, resulting in oscillation ...
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... This IC performs phase compensation by using an internal phase compensator and the ESR of an output capacitor. Therefore, always place a capacitor of 2.2 μF or more between VOUT and VSS pins. A tantalum type capacitor is recommended. Moreover, to secure stable operation of the S-1111/1121 Series necessary to employ a capacitor with an ESR within an optimum range (0 Ω). Using a capacitor whose ESR is outside the optimum range (approximately 0 Ω ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.4.1 _00 Characteristics (Typical Data) Remark The following, which describes the S-1111 Series as the typical product, shows typical data common to the S-1121 Series. (1) Output Voltage vs. Output current (when load current increases) S-1111B15 ( °C) 2 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series (3) Dropout voltage vs. Output current S-1111B15 0.45 0.4 85°C 0.35 0.3 0.25 0.2 0.15 0.1 0. 100 I [mA] OUT S-1111B50 0.25 0.2 85°C 0.15 0.1 0. 100 I [mA] OUT (4) Dropout voltage vs. Set output voltage 0.4 150 mA 0 ...
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... Ta [ ° C] (6) Current consumption vs. Input voltage S-1111B15 25° −40° [V] IN S-1111B50 45 40 85° −40° [V] IN S-1111B30 3.05 2. 100 60 80 100 S-1111B30 85° 25° Seiko Instruments Inc. S-1111/1121 Series 3.1 3 2.9 -40 - ° 25°C 30 85°C 25 −40° [ 100 8 19 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1111/1121 Series (7) Ripple rejection S-1111B15 ( ° 2.2 μ OUT 100 100 1 k Frequency [Hz] S-1111B50 ( ° 2.2 μ OUT 100 100 1 k Frequency [Hz] 20 S-1111B30 ( ° OUT 100 OUT 100 Seiko Instruments Inc. = 2.2 μF OUT 100 100 Frequency [Hz] Rev ...
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... mA 5.0 μ OUT 6 3.025 5 3.02 4 3.015 3 3.01 V OUT 2 3.005 1 0 2.995 = 4 ↔ 100 mA I OUT 150 100 3. 3.05 -50 -100 2.95 V OUT -150 S-1111B30 ( ° Seiko Instruments Inc. S-1111/1121 Series = 4.7 μ OUT - 100 120 140 160 180 t [ μ 4.7 μ 1.0 μ ...
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... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of 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 ...