NS6305 是支持高电压输入的同步降压电源管理芯片，在宽输入电压范围内可实现 1.2A 的连续电流输出。NS6305 具有优秀的恒压特性。NS6305 采用电流模式的环路控制原理，实现了快速的动态响应。NS6305 工作开关频率为 220kHz，具有良好的EMI 特性。 NS6305 内置有低导通电阻的上下功率管导通，能够最大程度提高效率。支持在轻重负载情况下自动负载切换调制方式，在轻载时采用效率更高的PSM（Pulse skip mode）方式，重载时采用 220KHZ固定频率的 PWM（Pulse width mode）方式。同时芯片还包含多重保护功能：过温保护，输出短路保护和输入欠压/过压保护等。 NS6305 采用 SOP-8 的标准封装。

PL59011是一款适用于输入电压高达100V的超宽输入范围、高性能同步降压DC-DC的PWM控制器。PL59011通过驱动一对外部整流和续流MOS-FET实现大输出电流(可达20A)、超宽出入范围(12-100V)的降压DC-DC应用。可外部编程 调整开关频率，可调范围为50 kHz-500kHz,实现在不同应用下对转换效率、体积、功率大小的灵活设计。 PL59011保护功能齐全,具有可编程设置的输入欠压锁定、输入过压锁定、和输出过流保护以及电源电流低于10μA时 的自动关闭模式。在家庭储能电源、电信总线网络转换器、工业电机驱动等高压、大电流应用的理想选择。

PL56002 is a PWM controller, designed for high performance synchronous Buck DC/DC applications with input voltages 4.2 V to 32 V PL56002 employs Constant ON time control. The switching frequency could be set to 150kHz,300kHz based on different resistor value between FREQ pinand GND pin. The device also features a programmable soft-start function and offers all kinds of protection features including cycle-by-cycle current limiting, input under voltage lockout (UvLO), output over voltage protection (OvP), thermal shutdown and output short prote ction etc.

PL84052 is a PWM controller, designed for highperformance synchronous Buck DC/DC applications with input voltages 3.0 V to 32 V(36 V maximum).PL84052 employs Constant ON time control. The switching frequency could be set to 150kHz,300kHz600kHz or 1200kHz based on different resistor value between FREQ pin and GND pin. The device also features a programmable soft-start function and offers all kinds of protection features including cycle-by-cycle current limiting, input under voltage lockout (UVLO),output over voltage protection (OVP), thermal shutdow and output short protection etc.

The RY9121 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous output current over a wide input supply range, with excellent load and line regulation. ECOT control operation provides very fast transient response and easy loop design as well as very tight output regulation. The RY9121 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.

The RY9121E is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous output current over a wide input supply range, with excellent load and line regulation. ECOT control operation provides very fast transient response and easy loop design as well as very tight output regulation. The RY9121E requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.

The RY8336 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 3A continuous current over a wide input supply range, with excellent load and line regulation. The RY8336 requires a minimal number of readily available, external components and is available in a space saving ESOP8 package.

The RY8320 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous current over a wide input supply range,with excellent load and line regulation. The RY8320 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package

The RY8510 device is high-efficiency, synchronous step-down DC/DC regulators. With a wide input range, it issuitable for a wide range of applications, such as power conditioning from unregulated sources. It features a lowRDSON (500mΩ/300mΩ typical) internal switch for maximum efficiency (92% typical). Supports PSM mode, theoperating frequency is fixed at 850kHz, allowing the use of small external components while still being able to havelow output voltage ripple. With OVP function, the IC can stand off input voltage as high as 50V

The RY8411 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 lowRDSON(250mΩ/150mΩ typical) internal switch for maximum efficiency (92% typical). Supports PSM mode, theoperating frequency is fixed at 800kHz, allowing the use of small external components while still being able to havelow output voltage ripple. With OVP function, the IC can stand off input voltage as high as 42V.

The RY8310 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 1A continuous current over a wide input supply range, with excellent load and line regulation. The RY8310 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.

SLM6900是一款支持多节多类型锂电池或磷酸铁锂电池的充电电路，它预置了三节和四节锂电池充电模式，同时也支持通过外围分压电阻调节的其它输出电压模式。它是采用300kHz固定频率的同步降压型转换器，因此具有很高的充电效率，自身发热量极小。 SLM6900包括完整的充电终止电路、自动再充电和一个精确度达±1.0%的充电电压控制电路，内部集成了输入低电压保护、输出短路保护、电池温度保护等多种功能。 SLM6900采用TSSOP-14L封装，外围应用简单，作为大容量电池的高效充电器。