LT3050IMSE

LT3050IMSE

  • 厂商:

    LINER

  • 封装:

  • 描述:

    LT3050IMSE - 100mA, Low Noise Linear Regulator With Precision Current Limit And Diagnostic Functions...

  • 详情介绍
  • 数据手册
  • 价格&库存
LT3050IMSE 数据手册
FEATURES n n n n n n n n n n n n n n n LT3050 100mA, Low Noise Linear Regulator With Precision Current Limit And Diagnostic Functions DESCRIPTION The LT®3050 is a micro-power, low noise, low dropout voltage (LDO) linear regulator. The device supplies 100mA of output current with a dropout voltage of 340mV. A 10nF bypass capacitor reduces output noise to 30μVRMS in a 10Hz to 100kHz bandwidth and soft-starts the reference. The LT3050’s ±45V input voltage rating combined with its precision current limit and diagnostic functions make the IC an ideal choice for robust, high reliability applications. A single resistor programs the LT3050’s current limit, accurate to ±5% over a wide input voltage and temperature range. A single resistor programs the LT3050’s minimum output current monitor, useful for detecting open-circuit conditions. The current monitor function sources a current equal to 1/100th of output current. A logic FAULT pin asserts low if the LT3050 is in current limit, operating below its minimum output current (open-circuit) or is in thermal shutdown. The LT3050 optimizes stability and transient response with low ESR ceramic capacitors, requiring a minimum of 2.2μF. The LT3050 is available as an adjustable device with an output voltage range down to the 0.6V reference. The LT3050 is available in the thermally-enhanced 12-Lead 3mm × 2mm DFN and MSOP packages. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Output Current: 100mA Dropout Voltage: 340mV Input Voltage Range: 1.6V to 45V Programmable Precision Current Limit: ±5% Programmable Minimum IOUT Monitor Output Current Monitor: 1/100th of IOUT Fault Indicator: Current Limit, Minimum IOUT or Thermal Limit Low Noise: 30μVRMS (10Hz to 100kHz) Adjustable Output (VREF = VOUT(MIN) = 0.6V) Output Tolerance: ±2% Over Line, Load and Temperature Stable with Low ESR, Ceramic Output Capacitors (2.2μF minimum) Shutdown Current:
LT3050IMSE
物料型号: - LT3050

器件简介: - LT3050是一款微功耗、低噪声、低 dropout 电压(LDO)线性调节器。该器件可提供100mA的输出电流,dropout电压为340mV。它适用于1.6V至45V的输入电压范围,并具备精确的电流限制和诊断功能,适合用于高可靠性应用。

引脚分配: - REF/BYP(引脚1):旁路/软启动。 - IMON(引脚12):输出电流监控。 - IMIN(引脚2):最小输出电流编程引脚。 - FAULT(引脚3):故障引脚。 - SHDN(引脚4):关闭引脚。 - IN(引脚5, 6):输入引脚。 - OUT(引脚7, 8):输出引脚。 - ADJ(引脚9):调节引脚。 - GND(引脚10,暴露的垫片引脚13):地引脚。 - IMAX(引脚11):精确电流限制编程引脚。

参数特性: - 输出电流:100mA - Dropout电压:340mV - 输入电压范围:1.6V至45V - 可编程精确电流限制:±5% - 输出电流监控:IOUT的1/100 - 故障指示:电流限制、最小IOUT或热限制 - 低噪声:30μVRMS(10Hz至100kHz) - 可调输出:VREF=VOUT(MIN)=0.6V

功能详解: - LT3050通过一个外部电阻编程电流限制,精确度为±5%,并可在宽输入电压和温度范围内工作。 - 通过一个外部电阻编程最小输出电流监控,有助于检测开路条件。 - 当输出电流降至最小输出电流阈值以下时,故障指示功能会触发FAULT引脚。 - LT3050优化了稳定性和瞬态响应,并与低ESR陶瓷电容器兼容,至少需要2.2μF。 - LT3050可调设备,输出电压范围可低至0.6V参考电压。

应用信息: - 受保护的天线电源 - 汽车远程信息处理 - 工业应用(卡车、叉车等) - 高可靠性应用

封装信息: - LT3050提供12引脚3mm×2mm DFN和MSOP封装。 - LT3050EMSE#PBF、LT3050IMSE#PBF、LT3050MPMSE#PBF等为不同温度范围和无铅版本的型号。
LT3050IMSE 价格&库存

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