MAX1951A 1MHz、全陶瓷电容、2.6V至5.5V输
max1951a 1mhz、全陶瓷电容、2.6v至5.5v输入、2a、pwm降压型dc-dc调节器
概述
the max1951a high-efficiency, dc-dc step-down switching regulator delivers up to 2a of output current. the device operates from an input voltage range of 2.6v to 5.5v and provides an adjustable output voltage from 0.8v to vin, making the max1951a ideal for on-board postregulation applications. the max1951a total output error is less than ±1.5% over load, line, and temperature.
the max1951a operates at a fixed frequency of 1mhz with an efficiency of up to 94%. the high operating frequency minimizes the size of external components. internal soft-start control circuitry reduces inrush current. short-circuit and thermal-overload protection improve design reliability.
the max1951a can start up safely with a prebiased or without a preexisting output. this feature simplifies tracking supply designs for core and i/o applications and redundant supply designs.
the max1951a is available in an 8-pin so package and operates over the -40°c to +85°c extended temperature range.
max1951/max1951a,pdf datasgeet (pwm dc-dc step-down regulator)
关键特性
compact 0.385in2 circuit footprint 10µf ceramic input and output capacitors, 2µh inductor for 2a output efficiency up to 94% 1.5% output accuracy over load, line, and temperature guaranteed 2a output current operates from 2.6v to 5.5v supply adjustable output from 0.8v to vin internal digital soft-soft short-circuit and thermal-overload protection 1mhz switching frequency reduces component size enable input audio shutdown for reducing power consumption safe startup into prebiased output 应用/使用
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概述
the max1951a high-efficiency, dc-dc step-down switching regulator delivers up to 2a of output current. the device operates from an input voltage range of 2.6v to 5.5v and provides an adjustable output voltage from 0.8v to vin, making the max1951a ideal for on-board postregulation applications. the max1951a total output error is less than ±1.5% over load, line, and temperature.
the max1951a operates at a fixed frequency of 1mhz with an efficiency of up to 94%. the high operating frequency minimizes the size of external components. internal soft-start control circuitry reduces inrush current. short-circuit and thermal-overload protection improve design reliability.
the max1951a can start up safely with a prebiased or without a preexisting output. this feature simplifies tracking supply designs for core and i/o applications and redundant supply designs.
the max1951a is available in an 8-pin so package and operates over the -40°c to +85°c extended temperature range.
max1951/max1951a,pdf datasgeet (pwm dc-dc step-down regulator)
关键特性
compact 0.385in2 circuit footprint 10µf ceramic input and output capacitors, 2µh inductor for 2a output efficiency up to 94% 1.5% output accuracy over load, line, and temperature guaranteed 2a output current operates from 2.6v to 5.5v supply adjustable output from 0.8v to vin internal digital soft-soft short-circuit and thermal-overload protection 1mhz switching frequency reduces component size enable input audio shutdown for reducing power consumption safe startup into prebiased output 应用/使用
asic/dsp/µp/fpga核以及i/o电压
网络与电信系统
服务器
机顶盒
tv
typical operating circuit
中微爱芯单通道触摸按键芯片TK8021用于故障电弧探测器
电动脱模器使用方法_电动脱模器操作规程
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MAX1951A 1MHz、全陶瓷电容、2.6V至5.5V输
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