LT3029EDE

LT3029EDE

  • 厂商:

    LINER

  • 封装:

  • 描述:

    LT3029EDE - Dual 500mA/500mA Low Dropout, Low Noise, Micropower Linear Regulator - Linear Technology

  • 详情介绍
  • 数据手册
  • 价格&库存
LT3029EDE 数据手册
FEATURES n n n n n n n n n n n n n LT3029 Dual 500mA/500mA Low Dropout, Low Noise, Micropower Linear Regulator DESCRIPTION The LT®3029 is a dual, micropower, low noise, low dropout linear regulator. The device operates either with a common input supply or independent input supplies for each channel, over an input voltage range of 1.8V to 20V. Each output supplies up to 500mA of output current with a typical dropout voltage of 300mV. Quiescent current is well controlled in dropout. With an external 10nF bypass capacitor, output noise is only 20μVRMS over a 10Hz to 100kHz bandwidth. Designed for use in battery-powered systems, the low 55μA quiescent current per channel makes it an ideal choice. In shutdown, quiescent current drops to less than 1μA. Shutdown control is independent for each channel, allowing for flexible power management. The LT3029 optimizes stability and transient response with low ESR ceramic output capacitors, requiring a minimum of only 3.3μF The regulator does not require the addition . of ESR, as is common with other regulators. Internal circuitry provides reverse-battery protection, reverse-current protection, current limiting with foldback and thermal shutdown. The device is available as an adjustable output voltage device with a 1.215V reference voltage. The LT3029 is offered in the thermally enhanced 16-lead MSOP and 16-lead, low profile (4mm × 3mm × 0.75mm) DFN 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: 500mA per Channel Low Dropout Voltage: 300mV Low Noise: 20μVRMS (10Hz to 100kHz) Low Quiescent Current: 55μA per Channel Wide Input Voltage Range: 1.8V to 20V (Common or Independent Input Supply) Adjustable Output: 1.215V Reference Voltage Very Low Quiescent Current in Shutdown:
LT3029EDE
1. 物料型号: - 型号为LT3029,是由Linear Technology公司生产的。

2. 器件简介: - LT3029是一款双路500mA/500mA的低功耗、低噪声、低 dropout 线性稳压器。该设备可以独立或共用输入电源,适用于1.8V至20V的输入电压范围。每个输出通道可提供高达500mA的输出电流,典型dropout电压为300mV。该器件适用于电池供电系统,每通道的静态电流低至55μA,使其成为理想选择。在关闭状态下,静态电流降至小于1μA。每个通道的关闭控制是独立的,允许灵活的电源管理。

3. 引脚分配: - LT3029有16个引脚,包括输入引脚IN1/IN2、输出引脚OUT1/OUT2、地引脚GND、调整引脚ADJ1/ADJ2、旁路引脚BYP1/BYP2以及关闭引脚SHDN1/SHDN2。

4. 参数特性: - 输出电流:每通道500mA。 - 低dropout电压:300mV。 - 低噪声:20μVRMS(10Hz至100kHz)。 - 低静态电流:每通道55μA。 - 宽输入电压范围:1.8V至20V(共用或独立输入电源)。 - 可调输出:1.215V参考电压。 - 关闭状态下非常低的静态电流:每通道小于1μA。 - 与3.3μF最小输出电容器稳定工作。 - 与陶瓷、钽或铝电解电容器稳定工作。 - 反电池和反输出至输入保护。 - 限流与折叠回和热关闭。

5. 功能详解: - LT3029优化了与低ESR陶瓷输出电容器的稳定性和瞬态响应,仅需最小3.3μF的电容器。该器件不需要像其他稳压器那样添加ESR。 - 跟踪/排序能力:与LTC292X电源供应跟踪IC兼容。 - 热增强的16引脚MSOP和16引脚(4mm×3mm)DFN封装。

6. 应用信息: - 通用线性稳压器、电池供电系统、微处理器核心/逻辑电源、开关电源后稳压、跟踪/排序电源。

7. 封装信息: - LT3029提供热增强的16引脚MSOP和16引脚、低轮廓(4mm×3mm×0.75mm)DFN封装。
LT3029EDE 价格&库存

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