3A, 36V, 500kHz 同步降压型 DC/DC 转换器

RT7272B为高效率，电流模式操作的同步降压型 DC/DC 转换器，在输入电压范围4.5V至36V间，可输出电流达3A。整合了高端150mΩ 与80mΩ 低端的MOSFET以达到95%的高转换效率。电流模式的控制架构可支持快速的瞬时响应与简易的补偿方式。逐周期形式的限流机制可在输出短路时提供电路保护作用，内建的缓启动机制则可消除启动瞬间的输入电流涌浪的问题。此外RT7272B提供了完整的保护功能，例如输入低电压锁定机制，输出低电压保护、过电流保护与与热关断保护功能。RT7272B采用SOP-8(裸露焊盘)的封装规格。 • 4.5V 至 36V输入电压范围\n• 内建 N-MOSFET 开关组件\n• 恒定操作频率 : 500kHz\n• 效率高达 95% \n• 逐周期的过电流保护\n• 输出低电压保护\n• 可调电流限制 \n• 符合RoHS规范与无卤特性;

3A, 36V, 500kHz Synchronous Step-Down Converter

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Evaluation Board

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封装/外壳：8-SOIC（0.154"，3.90mm 宽）裸露焊盘 功能：降压 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC REG BUCK ADJUSTABLE 3A 8SOP 集成电路（IC） 稳压器 - DC-DC 开关稳压器

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 BUCK ADJ 3A 8SOP 集成电路（IC） DC DC 开关稳压器

6 GHz, 400 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERAL DESCRIPTION The NEC LD7272 series of PPM focused traveling wave tubes are designed for final amplifier in the earth-tosatellite communications transmitter. These are capable of delivering an output power of 400 W over the range of 5.85 to 6.45 GHZ and an output power of 400 W over the ra

27 dB GAIN 750 MHz 110.CHANNEL CATV AMPLIFIER

The RF Line 110-Channel (750 MHz) CATV Line Extender Amplifier • 24 V Supply Voltage • Specified for 110–Channel Performance • Superior Gain, Return Loss and DC Current Stability with Temperature • All Gold Metallization • 7 GHz fT Ion–Implanted Transistors

27 dB GAIN 750 MHz 110.CHANNEL CATV AMPLIFIER

The RF Line 110-Channel (750 MHz) CATV Line Extender Amplifier • 24 V Supply Voltage • Specified for 110–Channel Performance • Typical Noise Figure NF = 5.5 dB @ 750 MHz • All Gold Metallization • Improved CTB Performance over Previous Versions

8-BIT MCU WITH 24K ROM, EEPROM,ADC,PWM/BRM DACs,SYNC PROCESSOR,EWPCC,TIMER AND DDC INTERFACE

INTRODUCTION The ST7272 HCMOS Microcontroller Unit is a member of the ST7 family of Microcontroller. The device is based on an industry-standard 8-bit core and features an enhanced instruction set. Oscillator frequency can be as high as 8MHz, however, thanks to the fully static design, operation

HIGH PERFORMANCE MOTOR SPEED REGULATOR

DESCRIPTION TDA7272A are high performance motor speed controller for small power DC motors as used in cassette players. Using the motor as a digital tachogenerator itself the performance of true tacho controlled systems is reached. A dual loop control circuit provides long term stability and fa