S-1323 SII [Seiko Instruments Inc], S-1323 Datasheet
S-1323
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S-1323 Summary of contents
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... Power supply for cellular phones Packages Package Name SNT-4A SC-82AB The S-1323 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 large output current, and a built- ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 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.4.2 _00 *1 VOUT ...
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... Product name S−1323 x xx *1. Refer to the taping specifications at the end of this book. *2. Refer to the product name list. *3. Refer to 3. Shutdown (ON/OFF pin) under the Operation. for the S-1323 Series can be selected at the user’s package types xx − xxx TF G Seiko Instruments Inc. ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 Series 2. Product name list Output Voltage 1.5V±1.0% 1.6V±1.0% 1.7V±1.0% 1.8V±1.0% 1.85V±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±1.0% 2.85V±1.0% 2.9V±1.0% 3.0V±1.0% 3.1V±1.0% 3.2V±1.0% 3.3V±1.0% 3.4V±1.0% 3.5V±1.0% 3.6V±1.0% 3.7V± ...
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... Table 2 Pin No. Symbol Description 1 VOUT Output voltage pin 2 VIN Input voltage pin 3 ON/OFF Shutdown pin 4 VSS Table 3 Pin No. Symbol Description 1 VOUT Output voltage pin 2 VSS 3 ON/OFF Shutdown pin 4 VIN Input voltage pin Seiko Instruments Inc. S-1323 Series GND pin GND pin 5 ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 Series Absolute Maximum Ratings Item Input voltage Output voltage Power dissipation Operating ambient temperature Storage temperature *1. When mounted on board [Mounted board] (1) Board size: 114.3 mm × 76.2 mm × t1.6 mm (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 OUT(S) after gradually increasing the output current. OUT(E) = 150 mA. after gradually decreasing the input OUT3 S-1323 Series Test Max. Unit Circuit OUT( 0. 0 ppm/ ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 Series Test Circuits 1. Set to power VOUT VIN + V ON/OFF VSS Figure VIN VOUT ON/OFF VSS Set GND IN Figure 6 + VIN VOUT A ON/OFF VSS Set to power ON Figure 7 VOUT VIN A V ON/OFF ...
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... Check that no oscillation occurs with the application using the above capacitor. Input VIN VOUT ON/OFF * VSS Single GND * capacitor for stabilizing the input. IN *2. A ceramic capacitor of 1.0 µF or more can be used in C Figure 10 1.0 µF or more 1.0 µF or more 10 Ω or less Seiko Instruments Inc. S-1323 Series Output * GND . L 9 ...
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... The low dropout voltage regulator is a voltage regulator whose dropout voltage is low due to its built-in low on-resistance transistor. 2. Low ESR A capacitor whose ESR (Equivalent Series Resistance) is low. The S-1323 Series enables use of a low ESR capacitor, such as a ceramic capacitor, for the output-side capacitor C 10 Ω or less can be used. ...
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... Change in temperature of output voltage *2. Specified output voltage *3. Output voltage temperature coefficient ∆ V OUT output voltage ∆ • OUT Ex. S-1323B28 Typ. V OUT [V] *1 − the value of the output voltage measured at 25°C. OUT(E) Figure 11 ∆ OUT × ...
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... Current supply V ref Reference voltage VSS *1. Parasitic diode 2. Output transistor The S-1323 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. 12 ref and R ...
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... Figure 13 Selection of Output Capacitor (C The S-1323 Series requires an output capacitor between the VOUT and VSS pins for phase compensation. A ceramic capacitor with a capacitance of 1.0 µF or more can be used. Even if using an OS capacitor, tantalum capacitor, or aluminum electrolytic capacitor, a capacitance of 1.0 µF or more and an ESR of 10 Ω or less are required ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 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 pins (C the input between VIN and VSS pins (C short as possible. • ...
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... OUT 1. 1.40 1.0 1.5 2.0 V [V] IN S-1323B50 (Ta = 25°C) 5.10 5.05 5. OUT 4. 4.90 4.5 5.0 5.5 6.0 V [V] IN S-1323B30 (Ta = 25°C) 2.5 V 6.5 V 300 400 6.5 V Remark In determining the output current, attention 300 400 S-1323B30 (Ta = 25°C) 3.0 3.5 2.5 6.5 7.0 Seiko Instruments Inc. S-1323 Series 4.0 3.5 3.0 2 2.0 3.5 V 1.5 1.0 0 100 200 300 ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 Series (3) Dropout voltage vs. Output current S-1323B15 0.6 0.5 85°C 0.4 0.3 0.2 0 100 I [mA] OUT S-1323B50 0.6 0.5 85°C 0.4 0.3 0.2 0 100 I [mA] OUT (4) Output voltage vs. Ambient temperature S-1323B15 1.60 1.55 1.50 1.45 1.40 –40 – [°C] S-1323B50 5.10 5.05 5.00 4.95 4.90 –40 – [°C] ...
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... Frequency [Hz] S-1323B30 120 100 –40° S-1323B30 (Ta = 25° 100 = OUT 100k OUT 30 mA 100k 1M Seiko Instruments Inc. S-1323 Series 25°C 85°C –40°C ...
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... HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR S-1323 Series Reference Data (1) Input transient response characteristics = 30 mA 5.0 µ 0.47 µ OUT OUT 3.04 3. 3.02 3.01 V OUT 3.00 2.99 2.98 -20 - [µ mA 5.0 µ 2.2 µF, C OUT OUT 3.04 3. 3.02 3.01 V OUT 3.00 2.99 2.98 -20 - [µs] (2) Load transient response characteristics = 4 ...
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... S-1323B50 (Ta = 25° 1.0 µ 1.0 µ OUT ON/OFF OUT 0 –1 - [µs] S-1323B30 (Ta = 25°C) = 1.0 µ 1.0 µ –1 –2 – 1.0 µ –2 –4 –6 – ...
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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 ...