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    The RY8413 device is high-efficiency, synchronous step-down DC/DC regulators. With a wide input range, it is suitable for a wide range of applications, such as power conditioning from unregulated sources. It features a low RDSON (250m?/150m? typical) internal switch for maximum efficiency (92% typical). Supports PSM mode, the operating frequency is fixed at 800kHz, allowing the use of small external components while still being able to have low output voltage ripple. With OVP function, the IC can stand off input voltage as high as 42V. The RY8413 supports 1.2A continuous output current, and it has a 0.765V nominal feedback voltage.

    Additional features include: thermal shutdown, VIN undervoltage lockout, and gate drive undervoltage lockout. The RY8413 is available in a low-profile SOT23-6 package.

    RY8413設(shè)備是高效、同步降壓直流/直流調(diào)節(jié)器。它具有廣泛的輸入范圍，適用于廣泛的應(yīng)用，如來自不受調(diào)節(jié)的源的功率調(diào)節(jié)。它具有低RDSON (250mΩ/150mΩ典型）內(nèi)部開關(guān)，以實現(xiàn)最大效率(92%典型）。支持PSM模式，工作頻率固定在800 kHz，允許使用小的外部組件，同時仍然能夠具有較低的輸出電壓紋波。通過OVP功能，集成電路可以抵抗高達(dá)42V的輸入電壓。RY8413支持1.2A的連續(xù)輸出電流，并且它具有一個0.765V的標(biāo)稱反饋電壓。

    其他功能包括：熱關(guān)閉、VIN欠電壓鎖定，和柵極驅(qū)動欠電壓鎖定。RY8413有一個低調(diào)的SOT23-6封裝。

RY8413 Features/特性：

Wide 4V to 38V Operating Input Range

Standoff Voltage: 42V

1.2A Continuous Output Current

800KHz Switching Frequency

Short Protection with Foldback-Mode

Built-in Over Current Limit

Built-in Over Voltage Protection

Support PSM Mode

Internal Soft-Start

250mΩ/150mΩ Low RDS(ON) Internal Power MOSFETs

Output Adjustable from 0.765V

No Schottky Diode Required

Integrated internal compensation

Thermal Shutdown

Available in SOT23-6 Package

-40°C to +85°C Temperature Range

RY8413 Applications/應(yīng)用：

Battery-Powered Equipment

Portable Media Players

Industrial Distributed Power Applications

Portable Hand-Held Instruments

RY8413 Typical Application Circuit：

RY8413 Pin Description：

RY8413 Order Information (1)：

Marking	Part No.	Model	Description	Package	T/R Qty
HQYLL	70301654	RY8413	RY8413 PSM SYN Buck, 4-38V, 1.2A, 800KHz, VFB 0.765V, SOT23-6	SOT23-6	3000PCS

RY8413 Functional Block Diagram：