MAX8869

1A、MicroCap、低压差、线性稳压器

紧凑的1A、低压差线性稳压器,仅需要1µF输出电容!


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说明

The MAX8869 low-dropout linear regulator operates from a +2.7V to +5.5V input and delivers a guaranteed 1A load current with a low 200mV dropout. The high-accuracy (±1%) output voltage is preset at +5V, +3.3V, +2.5V, +1.8V, or +1.0V or is adjustable from +0.8V to +5V with an external resistor-divider.

The MAX8869 uses Microcap® technology and requires only a small 1µF output capacitor for guaranteed stability. An internal PMOS pass transistor allows low 500µA supply current, making this regulator useful for networking and telecom hardware as well as battery-operated equipment. Other features include soft-start, low-power shutdown, short-circuit protection, and thermal shutdown protection.

The MAX8869 is available in a 1.5W, 16-pin TSSOP package, which is 30% smaller than a SOT223 and only 1.1mm high.
MAX8869:典型工作电路 MAX8869:典型工作电路 放大+

关键特性

  • Guaranteed 1A Output Current
  • Stable with COUT = 1µF
  • Low 200mV Dropout at 1A
  • ±1% Output Voltage Accuracy
    • Preset at +5V, +3.3V, +2.5V, +1.8V, or +1.0V and Adjustable from +0.8V to +5.0V
  • 54dB PSRR at 100kHz
  • Adjustable Soft-Start
  • 3ms Reset Output
  • Foldback Output Current Limit
  • Thermal Overload Protection
  • High-Power 16-Pin TSSOP Package (1.5W)
    • 30% Smaller than SOT223 (Only 1.1mm High)

应用

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  • 网络设备
  • 笔记本电脑
  • 个人计算机
  • 电信硬件
Part NumberRegulatorsVIN
(V)
VIN
(V)
Preset VOUT
(V)
Adj. VOUT
(V)
Adj. VOUT
(V)
VDROPOUT @Rated ILOAD
(V)
Rated ILOAD
(mA)
Rated ILOAD
(mA)
ICC
(µA)
Output Voltage Noise
(µV RMS)
Ref. BypassLow Batt./ Pwr. Fail OutPOK/Reset Thresh.
(V)
WatchdogReverse Batt. Protect.Oper. Temp.
(°C)
Package/PinsBudgetary
Price
minmaxminmaxtypmaxtypnomSee Notes
MAX8869 12.75.5
1
1.8
2.5
3.3
5
0.850.2100010002000150NoNoVout-8%NoNo-40 to +85
TSSOP/16
$2.69 @1k
查看所有Linear Regulators (144)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

质量和环境数据

产品可靠性报告: MAX8869.pdf 
无铅封装的锡(Sn)晶须报告

CAD Symbols and Footprints

  • MAX8869EUE10
  • MAX8869EUE10+
  • MAX8869EUE10+T
  • MAX8869EUE18+
  • MAX8869EUE18+T
  • MAX8869EUE25
  • MAX8869EUE25+
  • MAX8869EUE25+T
  • MAX8869EUE33+
  • MAX8869EUE33+T
  • MAX8869EUE33/GG8
  • MAX8869EUE50+
  • MAX8869EUE50+T
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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