S-1155 Seiko Instruments, S-1155 Datasheet
S-1155
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S-1155 Summary of contents
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... The S-1155 Series provides the very small dropout voltage and the large output current due to the built-in transistor with low on-resistance. The overcurrent protector prevents the load current from exceeding the capacitance of output transistor ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series ■ Block Diagram www.datasheet4u.com VIN ON/OFF VSS *1. Parasitic diode 2 Overcurrent protection circuit Thermal shutdown circuit + ON/OFF circuit − Reference voltage circuit Figure 1 Seiko Instruments Inc. Rev.1.1 *1 VOUT _00 ...
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... Rev.1.1 _00 Product Name Structure Users can select the product type, output voltage, and package type for the S-1155 Series. Refer to “1. Product www.datasheet4u.com Name” regarding the contents of product name, “2. Product Name List” regarding details of product name. 1. Product Name ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series 2. Product Name List www.datasheet4u.com Remark Please contact our sales office for products with an 4 Table 1 Output Voltage S-1155B10-U5T1G 1.0 V ±15 mV S-1155B11-U5T1G 1.1 V ±15 mV S-1155B12-U5T1G 1.2 V ±15 mV S-1155B13-U5T1G 1.3 V ±15 mV S-1155B14-U5T1G 1.4 V ±15 mV S-1155B15-U5T1G 1.5 V ±1.0% S-1155B16-U5T1G 1.6 V ± ...
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... Top view www.datasheet4u.com Figure 2 Table 2 Pin No. Symbol 1 ON/OFF Shutdown pin 2 VSS GND pin * connection 4 VIN Input voltage pin 5 VOUT Output voltage pin *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Seiko Instruments Inc. S-1155 Series Description 5 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series Absolute Maximum Ratings www.datasheet4u.com Parameter Input voltage Output voltage Power dissipation Operating ambient temperature Storage temperature *1. When mounted on board [Mounted board] (1) Board size : (2) Name : Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage ...
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... OUT( 1 OUT(S) ON/OFF pin = OFF, 1.0 V ≤ load = 5 ON/OFF pin = OFF, 4.5 V < load − Seiko Instruments Inc. S-1155 Series (Ta = 25°C unless otherwise specified) Min. Typ. Max OUT(S) OUT(S) OUT(S) < 1.5 V OUT(S) − 0.015 + 0.015 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series Parameter Symbol www.datasheet4u.com Shutdown pin input V SH voltage “H” Shutdown pin input V SL voltage “L” Shutdown pin input I SH current “H” Shutdown pin input I SL current “L” ...
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... Set to power ON VOUT VIN ON/OFF V VSS Set to power ON Figure 4 VOUT VIN ON/OFF VSS Set GND IN Figure 5 + VOUT A VIN ON/OFF VSS Figure 6 VOUT VIN ON/OFF VSS Figure 7 VOUT VIN ON/OFF VSS Figure 8 Seiko Instruments Inc S-1155 Series 9 ...
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... Selection of Input and Output Capacitors (C The S-1155 Series requires an output capacitor between the VOUT and VSS pin for phase compensation. Operation is stabilized by a ceramic capacitor with an output capacitance of 4.7 µF or more over the entire temperature range. ...
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... OUT ) OUT2 ) drop gradually until the output voltage has dropped to the value of 98% of output voltage 5.5 V. OUT(S) Seiko Instruments Inc. S-1155 Series *2 under the specified conditions of fixed input Characteristics (Typical , which is the input voltage (V IN1 ) when ...
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... C ∆ Ta *1. Change in temperature of output voltage *2. Specified output voltage *3. Output voltage temperature coefficient 12 ∆ V ∆ Ta OUT Ex. S-1155B30 Typ. V [V] OUT *1 V OUT(E) − the value of the output voltage measured at 25°C. OUT(E) Figure 10 ∆ V OUT ...
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... Reference voltage VSS *1. Parasitic diode 2. Output transistor In the S-1155 Series, a low on-resistance P-channel MOS FET is used as the output transistor. Be sure that V does not exceed V OUT current which flows, because of a parasitic diode between the VIN and VOUT pin, when the potential of V ...
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... Figure 12 4. Overcurrent protection circuit The S-1155 Series has an overcurrent protection circuit having the characteristics shown in (1) Output Voltage vs. Output Current (When load current is increased) ( ° “ protect the output transistor against an excessive output current and short circuiting between the VOUT and VSS pin ...
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... Rev.1.1 _00 5. Thermal shutdown circuit The S-1155 Series has a thermal shutdown circuit to protect the device from damage due to overheat. When the junction temperature rises to 150°C (Typ.), the thermal shutdown circuit operates to stop regulating. When the www.datasheet4u.com junction temperature drops to 120°C (Typ.), the thermal shutdown circuit is released to restart regulating. ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series Precautions • Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low. When mounting an output capacitor between the VOUT and VSS pin (C www.datasheet4u.com and VSS pin (C ), the distance from the capacitors to these pins should be as short as possible ...
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... OUT S-1155B30 = 100 mA 2.0 2.5 3 100 mA 4.9 5.1 5.3 5.5 V [V] IN Seiko Instruments Inc. S-1155 Series 3.5 3 2.0 4.0 V 1.5 1.0 0.5 0 800 0 200 400 600 I [mA] OUT should be paid to the following. 1. The minimum value of output current in Table 5 and footnote *5 in “ Characteristics ” ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series (3) Dropout Voltage vs. Output Current S-1155B10 0.40 www.datasheet4u.com 0.35 0. ° 0.15 0.10 5 ° 100 00 S-1155B50 0. 0.15 0.10 0. 100 200 (4) Dropout Voltage vs. Set Output Voltage 0.40 0.35 I 0.30 OUT 0.25 0.20 0.15 0.10 0. S-1155B30 40 ° C ...
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... S-1155B30 [° [°C] S-1155B30 °C 25 °C −40 °C 2.5 3.0 3.5 4.0 4.5 5.0 5 ° 2.5 3. 3.5 4.5 5. 5.5 V [V] IN Seiko Instruments Inc. S-1155 Series 3.20 3.15 3.10 3.05 3.00 2.95 2.90 2.85 2.80 −40 − [° ° ° 1.5 2. 2 [V] IN ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series (7) Ripple Rejection ( ° C) S-1155B10 V www.datasheet4u.com IN 100 100 1K Frequency [Hz] S-1155B50 V IN 100 100 1K Frequency [Hz] 20 S-1155B30 = 4.7 µ OUT OUT 30 mA 100 mA ...
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... OUT 150 100 50 0 −50 −100 −150 600 800 1000 1200 Seiko Instruments Inc. S-1155 Series 4.7 µF, C OUT OUT −200 0 200 400 800 1000 1200 600 t [µs] = 4.7 µ 4.7 µ ↔ ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series (3) Transient Response Characteristics of ON/OFF Pin (Ta = 25°C) S-1155B10 = 4.7 µ 2 OUT IN 5 www.datasheet4u.com ON/OFF OUT 0 −1 −500 0 500 t [µs] S-1155B50 4.7 µ OUT ...
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... 4.7 µ 500 [mA] Seiko Instruments Inc. S-1155 Series = 4.7 µ 4.7 µF, I OUT IN OUT ON/OFF OUT I OUT −100 400 0 100 200 300 t [µs] VIN VOUT C IN S-1155 Series ON/OFF VSS = 500 mA 1.2 1.0 0.8 0.6 0.4 0.2 0 500 ESR 23 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1155 Series Marking Specifications SOT-89-5 www.datasheet4u.com SOT-89-5 Top view Product Name vs. Product Code Product Name S-1155B10-U5T1G S-1155B11-U5T1G S-1155B12-U5T1G S-1155B13-U5T1G S-1155B14-U5T1G S-1155B15-U5T1G S-1155B16-U5T1G S-1155B17-U5T1G S-1155B18-U5T1G S-1155B1J-U5T1G S-1155B19-U5T1G S-1155B20-U5T1G S-1155B21-U5T1G S-1155B22-U5T1G ...
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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 ...