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Seiko Instruments Inc.

Seiko Instruments Inc.- Power Management ICs

Seiko Instruments Inc. (SII) was founded in 1937 as a key manufacturing arm of the Seiko Group, with headquarters in Chiba, Japan. The company specializes in micromechatronics, nanotechnology, and low-power consumption technologies derived from decades of precision watchmaking. Its core business encompasses electronic devices, hard disk drive (HDD) components, large-format inkjet printers, network solutions, and scientific instruments. SII is particularly renowned for its high-performance quartz crystal devices, including MHz-band crystal units, 32.768 kHz tuning fork crystals, and high-precision TCXO/OCXO oscillators. Its product portfolio also features CMOS ICs such as real-time clocks (RTCs), voltage detectors, and power management ICs that leverage its crystal technology. The company's crystal device series, including the SML tuning fork crystals and SPXO crystal oscillators, are widely adopted in consumer electronics, automotive systems, and IoT applications. With a global reputation built on decades of innovation, SII is considered one of the world's top quartz crystal manufacturers, competing closely with NDK and KDS. Its technological excellence in miniaturization, frequency stability, and ultra-low power consumption sets it apart in the electronic components market. SII continues to drive advancements in timing solutions through continuous R&D investment and application of MEMS fabrication techniques.

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Power Management ICs - 型号列表

11,284 parts in total

Package / Case

Output Type

Voltage - Supply

Voltage - Clamping

RoHS

Packaging

Product Category

Factory Pack Quantity

Voltage Rating

Line Regulation

Load Regulation

Current - Output

Voltage - Input (Min)

Voltage Regulation - Load

Mounting Style

Mechanical Life

Mfr Part #Quantity AvailablePriceRoHSPackagingFactory Pack QuantityOutput TypeMounting StylePackage / CaseMechanical LifeOperating TemperatureProduct CategoryResetWatchdog TimerVoltage - SupplyVoltage - ClampingNumber of Voltages MonitoredVoltage RatingLine RegulationLoad RegulationCurrent - OutputNumber of OutputsVoltage - Input (Min)Voltage Regulation - LoadTolerancePower Dissipation (Max)Current - Supply
S-1323B27NB-N8M-TF
S-1323B27NB-N8M-TF

Low Dropout Regulators - LDO 2.7 Volt 1% 70uV

Seiko Instruments

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S-1131B30PD-N4P-TF
S-1131B30PD-N4P-TF

Low Dropout Regulators - LDO 3.0 Volt 1% 0.25mV

Seiko Instruments

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S-812C39AUA-C2T-T2
S-812C39AUA-C2T-T2

Low Dropout Regulators - LDO 3.9V 1.0uA 2.0%

Seiko Instruments

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S-8521E50MC-BMJ-T2
S-8521E50MC-BMJ-T2

DC/DC Switching Controllers 5.0V Step-Dn PWM/PFM

Seiko Instruments

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S-80127ANMC-JCM-T2
S-80127ANMC-JCM-T2

Voltage Detectors / Monitors 2.7V 1.3uA N-Ch Open

Seiko Instruments

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S-8358N33MC-O6ST2G
S-8358N33MC-O6ST2G

DC/DC Switching Controllers Step-Up SWR PWM/PFM 25.9uA Iq Switching Controllers Step-Up SWR PWM/PFM 25.9uA Iq

Seiko Instruments

102040: ¥3.604RoHS CompliantReel----------------------
S-8357N30MC-O2PT2G
S-8357N30MC-O2PT2G

DC/DC Switching Controllers STEP-UP SWR PWM 25.9UA IQ Switching Controllers STEP-UP SWR PWM 25.9UA IQ

Seiko Instruments

102040: ¥3.604RoHS CompliantReel----------------------
S-80954CNMC-G9Q-T2
S-80954CNMC-G9Q-T2

Voltage Detectors / Monitors 5.4V 1.2uA N-Ch Open

Seiko Instruments

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S-8353A38UA-IQXT2G
S-8353A38UA-IQXT2G

DC/DC Switching Controllers Step-Up SWR PWM 18.7uA Iq Voltage Regulators - Switching Regulators Step-Up SWR PWM 18.7uA Iq

Seiko Instruments

10420: ¥6.3512RoHS CompliantReel----------------------
S-80824KNUA-D2B-T2
S-80824KNUA-D2B-T2

Voltage Detectors / Monitors 2.4V 1.3uA N-Ch Open

Seiko Instruments

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S-816A30AMC-BAF-T2
S-816A30AMC-BAF-T2

Low Dropout Regulators - LDO 2.5V 1uA 2.0%

Seiko Instruments

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S-80945CLMC-G7F-T2
S-80945CLMC-G7F-T2

Voltage Detectors / Monitors 4.5V 1.3uA CMOS Out

Seiko Instruments

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S-1122B29PN-L8O-TF
S-1122B29PN-L8O-TF

Low Dropout Regulators - LDO 2.9 Volt 1% 0.19mV

Seiko Instruments

-NoReel3000FixedSMD/SMTSON-5AObsolete+ 85 CLow Dropout Regulators - LDO-----2.9 V0.2 % / V40 mV150 mA16.5 V1 %---
S-80945ANMP-DD9-T2
S-80945ANMP-DD9-T2

Voltage Detectors / Monitors SOT-23 4.5V 1.2uA

Seiko Instruments

-NoReel3000Open DrainSMD/SMTSOT-23-5Obsolete+ 85 C-NoNo1.1 V to 6 V4.41 V1----------
S-817A18ANB-CUH-T2
S-817A18ANB-CUH-T2

Low Dropout Regulators - LDO 1.8V 1.2uA 2.0% LDO Voltage Regulators 1.8V 1.2uA 2.0% LDO Regulator Pos 1.8V 0.02A 4-Pin(3+Tab) SC-82AB T/R

Seiko Instruments

25371: ¥3.264NoReel3000FixedSMD/SMTSC-82ABEnd of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.+ 85 CLow Dropout Regulators - LDO-----1.8 V20 mV20 mV50 mA112 V2 %+/- 2 %400 mW-
S-8355K30MC-NAPT2G
S-8355K30MC-NAPT2G

DC/DC Switching Controllers Step-Up SWR PWM 25.9uA Iq Switching Controllers Step-Up SWR PWM 25.9uA Iq

Seiko Instruments

102040: ¥3.604RoHS CompliantReel----------------------
S-80844KLY-B
S-80844KLY-B

Voltage Detectors / Monitors 4.4V 1.3uA CMOS Out

Seiko Instruments

-NoBulk500Push-PullThrough HoleTO-92Obsolete+ 85 CVoltage Detectors / MonitorsNoNo0.8 V to 6 V4.45 V1---------0.8 uA
S-80950CLNB-G7L-T2
S-80950CLNB-G7L-T2

Voltage Detectors / Monitors 5.0V 1.2uA CMOS Out

Seiko Instruments

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S-80830CLUA-B6P-T2
S-80830CLUA-B6P-T2

Voltage Detectors / Monitors 3.0V 1.3uA CMOS Out

Seiko Instruments

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S-80830ANY
S-80830ANY

Voltage Detectors / Monitors 3.0V 0.9uA N-Ch Open

Seiko Instruments

-No-500Open DrainThrough HoleTO-92-3Obsolete+ 85 C-NoNo3.0 V +/- 2 %2.94 V1----------
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