丝印：CB-**；Package：WQFN-163x3；1MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter

General Description The RT8058 is a current mode PWM step-down converter. The chip is ideal for fixed frequency and low ripple applications over full range of load conditions. Its input voltage range is from 2.6V to 5.5V with a constant 1MHz switching frequency that allows it to adopt tiny, low c

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丝印：CB-***；Package：SOT-353；120mA, Low Dropout, Low Noise Ultra-Fast Without Bypass Capacitor CMOS LDO Regulator

General Description The RT9013A is a high-performance, 120mA LDO regulator, offering extremely high PSRR and ultra-low dropout. The chip is ideal for portable RF and wireless applications with demanding performance and space requirements. Features Wide Operating Voltage Ranges : 2.2V to

文件：189.49 Kbytes 页数：10 Pages

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丝印：CB-***；Package：SOT-25；Low-Noise, Fixed Output Voltage,300mA/500mA LDO Regulator

General Description The RT9167/A is a 300mA/500mA low dropout and low noise micropower regulator suitable for portable applications. The output voltages range from 1.5V to 5.0V in 100mV increments and 2 accuracy. The RT9167/A is designed for use with very low ESR capacitors. The output remains

文件：230.99 Kbytes 页数：13 Pages

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丝印：CB-***；Package：SOT-23；100 mA, 4uA QUIESCENT CURRENT CMOS LDO REGULATOR

General Description The RT9169/H series are 100mA ultra-low quiescent current CMOS low dropout (LDO) regulator designed for battery-powered equipments. The output voltages range from 1.2V to 5V with 0.1V per step. The other features include 4μA ultra-low quiescent, low dropout voltage, high outp

文件：245.12 Kbytes 页数：12 Pages

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丝印：CB-***；Package：SOT-23；100mA, 4關A Quiescent Current CMOS LDO Regulator

文件：136.83 Kbytes 页数：9 Pages

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Small Magnetic Type Buzzer

Features 1. Small size and lightweight for versatile usage 2. Non-mechanical contacts afford high reliability and long life. 3. No electrical noise 4. Low current consumption, yet high sound pressuure level 5. Clear and stable sound quality is obtainable. Application Mobil

文件：451.66 Kbytes 页数：2 Pages

CITIZEN

西铁城电子株式会社

voltage 5(V),Driving frequency 2700(Hz)

Features 1. Small size and lightweight for versatile usage 2. Non-mechanical contacts afford high reliability and long life. 3. No electrical noise 4. Low current consumption, yet high sound pressuure level 5. Clear and stable sound quality is obtainable. Application Mobil

文件：449.49 Kbytes 页数：1 Pages

CITIZEN

西铁城电子株式会社

Small Magnetic Type Buzzer

Features 1. Small size and lightweight for versatile usage 2. Non-mechanical contacts afford high reliability and long life. 3. No electrical noise 4. Low current consumption, yet high sound pressuure level 5. Clear and stable sound quality is obtainable. Application Mobil

文件：451.66 Kbytes 页数：2 Pages

CITIZEN

西铁城电子株式会社

Connection leads竊싷섟,竊?竊

[CITIZEN] Connection leads：Ｐ,Ｗ,Ｎ

文件：218.15 Kbytes 页数：1 Pages

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Connection leads竊싷섟,竊?竊

[CITIZEN] Connection leads：Ｐ,Ｗ,Ｎ

文件：218.15 Kbytes 页数：1 Pages

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