Richtek Technology Corporation

The RT8120 is a single-phase synchronous buck PWM DC/DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1 ( option for 0.6V ±1.5) reference.

同步降压型 DC/DC PWM 控制器

RT8120为用于驱动两组N-MOSFET的单相同步降压型 DC/DC PWM 控制器，可提供高精确率、可设计的输出电压，可藉由内部的0.8V ±1% ( 可选的0.6V ±1.5%) 参考电压以因应低调节电压的需求。RT8120应用单回授的PWM电压模式控制以因应快速的瞬时响应。固定的操作频率300kHz降低了所需外加电感与电容的组件大小并节省PCB面积。RT8120提供了因应高电流输出应用的快速瞬时响应并减少了所需外加组件的数量，适用于高效能的图像处理器、DDR与VTT电源。RT8120并包含了外部补偿机制、内建的缓启动以及输出致能功能。RT8120支持SOP-8 与 SO ·输入电压范围: 3V 至 13.2V\n·内建自举二极管\n· 0.8V ±1%, 0.6V ±1.5%内部参考电压\n· 闸极驱动击穿保护\n· 固定操作频率300kHz\n· 内建缓启动机制\n· 藉由感测MOSFET RDS(ON)的过电流保护\n· 致能/关机 控制\n· 驱动两组N-MOSFET\n· 责任周期范围: 0% 至 85%\n· 快速瞬时响应\n· 具备外部回路补偿的PWM电压模式控制\n· 不需外部引脚的LGATE过电流设置 (LGOCS)\n· 低电压保护\n·支持SOP-8 与 SOP-8 (裸露焊盘)的封装\n·符合RoHS规范与;

Single-Phase Synchronous Buck PWM Controller

文件：223.62 Kbytes Page：17 Pages

Richtek Technology Corporation

The RT8120 is a single-phase synchronous buck PWM DC/DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1 ( option for 0.6V ±1.5) reference.

Richtek Technology Corporation

The RT8120 is a single-phase synchronous buck PWM DC/DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1 ( option for 0.6V ±1.5) reference.

Single-Phase Synchronous Buck PWM Controller

The RT8120 is a single-phase synchronous buck PWM DC-DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1% ( option for 0.6V ±1.5%) reference. The RT8120 uses a single •Wide Input Voltage Range : 3V to 13.2V\n•0.8V ±1%, 0.6V ±1.5% Internal Reference \n•Fixed Frequency 300kHz \n•Over Current Protection by Sensing MOSFET RDS(ON)\n•Drives Two N-MOSFETs\n•Fast Transient Response\n•Pinless LGATE Over Current Setting (LGOCS)\n•SOP-8 and SOP-8 (Exposed Pad) Packa;

Single-Phase Synchronous Buck PWM Controller

The RT8120 is a single-phase synchronous buck PWM DC-DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1% ( option for 0.6V ±1.5%) reference. The RT8120 uses a single •Wide Input Voltage Range : 3V to 13.2V\n•0.8V ±1%, 0.6V ±1.5% Internal Reference \n•Fixed Frequency 300kHz \n•Over Current Protection by Sensing MOSFET RDS(ON)\n•Drives Two N-MOSFETs\n•Fast Transient Response\n•Pinless LGATE Over Current Setting (LGOCS)\n•SOP-8 and SOP-8 (Exposed Pad) Packa;

Richtek Technology Corporation

The RT8120 is a single-phase synchronous buck PWM DC/DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1 ( option for 0.6V ±1.5) reference.

Single-Phase Synchronous Buck PWM Controller

文件：223.62 Kbytes Page：17 Pages

Single-Phase Synchronous Buck PWM Controller

文件：223.62 Kbytes Page：17 Pages

封装/外壳：8-SOIC（0.154"，3.90mm 宽）裸露焊盘 功能：降压 包装：卷带（TR） 描述：IC REG CTRLR BUCK 8SOP 集成电路（IC） PMIC - 稳压器 - DC DC 开关式控制器

Single-Phase Synchronous Buck PWM Controller

文件：223.62 Kbytes Page：17 Pages

封装/外壳：8-SOIC（0.154"，3.90mm 宽）裸露焊盘 功能：降压 包装：卷带（TR） 描述：IC REG CTRLR BUCK 8SOP 集成电路（IC） DC-DC 开关控制器

Single-Phase Synchronous Buck PWM Controller

文件：223.62 Kbytes Page：17 Pages

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

-15 dBm INPUT, VARIABLE GAIN AMPLIFIER SILICON MMIC FOR TRANSMITTER AGC OF DIGITAL CELLULAR TELEPHONE

DESCRIPTION The µPC8130TA and µPC8131TA are silicon monolithic integrated circuits designed as variable gain amplifier. Due to 800 MHz to 1.5 GHz operation, these ICs are suitable for RF transmitter AGC stage of digital cellular telephone. These ICs are lower distortion than conventional µPC8119T

VARIABLE GAIN AMPLIFIER SILICON MMIC FOR TRANSMITTER AGC OF DIGITAL CELLULAR TELEPHONE

DESCRIPTION The µPC8119T and µPC8120T are silicon monolithic integrated circuits designed as variable gain amplifier. Due to 100 MHz to 1.9 GHz operation, these ICs are suitable for RF transmitter AGC stage of digital cellular telephone. Two types of gain control let users choose in accordance wi