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ADI/LINEAR MAX38902CANT+T MAX38902CANT
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR MAX38902CANT+T
- Type
- ADI/LINEAR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 100mV@(500mA)
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- 10.5uVrms
- Electronic Component
- MAX38902CANT+T
- Electronic Component
- 1
- Package
- WLP-6(0.8x1.2)
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.038g
- Electronic Component
- 1
- Features
- Current
- Electronic Component
- BM0265088222
- Operating Temperature
- 40℃~+125℃@(Tj)
- Operating Voltage
- 5.5V
- Output
- Electronic Component
- Output Voltage
- 600mV~5.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MAX38902CANT+T 产品概述
一、概述
MAX38902CANT+T 是一款高性能、低压差（LDO）线性稳压器，面向对噪声和电源抑制有严格要求的小尺寸应用。产品为正极输出、可调型单通道 LDO，封装为微型 WLP-6（0.8 × 1.2 mm），适合空间受限的移动、便携和高密度板级设计。器件品牌归属 ADI（含原 Linear/Maxim 系列），适用于工业级温度范围。
二、主要性能指标
- 输出极性：正极，输出可调；输出电压范围 600 mV ～ 5.3 V。
- 最大工作电压：5.5 V（输入端条件）。
- 输出电流：最高 500 mA，适合中等负载供电。
- 压差（Dropout）：100 mV @ 500 mA，低压差利于低压输入下维持输出。
- 静态电流（Iq）：365 μA，兼顾静态功耗与瞬态响应。
- 噪声：10.5 μVrms（典型），适合噪声敏感负载。
- PSRR：70 dB @ 10 kHz，对开关电源产生的中高频纹波有良好抑制。
- 环境温度：工作结温范围 -40 ℃ ～ +125 ℃。
- 通道数：1。
三、保护与控制功能
器件集成多种保护与控制功能：使能（EN）控制便于电源管理与系统上电顺序；可调软启动用于限制启动浪涌并减少输出电压超冲；短路保护与过流保护保障负载异常时器件安全；反向电流保护防止输出回灌损伤；热关断在过温时保护芯片；输入欠压保护（UVP）避免在输入不足时工作异常。综合这些特性，器件在可靠性与系统保护方面表现出色。
四、典型应用场景
- 便携式与电池供电设备（保持高效率与低噪声）。
- 无线通信与射频前端（利用高 PSRR 与低噪声特性）。
- 精密模拟与传感器供电（ADC/DAC、模拟前端）。
- 工业与汽车电子（宽温度与多重保护机制）。
五、设计与布局建议
- 输出与输入侧均建议使用低 ESR 陶瓷电容（常见 1 μF～10 μF，X5R/X7R），并将电容尽量靠近器件引脚布置，以稳定环路并降低纹波。
- WLP 封装热阻较大，散热依赖 PCB 热铺与过孔，建议为热敏路径预留充足铜箔并在必要处增加热通孔以改善散热能力，尤其在高负载（接近 500 mA）和高环境温度下。
- 使能与软启动脚用于电源序列控制，建议在系统设计中实现渐进上电以降低电流冲击。
- PCB 布局中保持输入地与输出地回流路径短而宽，避免噪声耦合到敏感模拟地。
六、总结
MAX38902CANT+T 以其低压差、低噪声、高 PSRR 以及全面的保护功能，适合对尺寸、噪声和可靠性有较高要求的现代电子系统。合理选择输出电容与热设计、配合使能/软启动策略，可以在便携式、通信与精密模拟等多种应用中实现稳定可靠的电源输出。
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