MAX8880:12V、超低IQ、低压差线性稳压器,带有POK

The MAX8880/MAX8881 are ultra-low supply current, low-dropout linear regulators, capable of delivering up to 200mA. They are designed for battery-powered applications where reverse battery protection and long battery life are critical. These regulators' low 3.5µA supply current extends battery life in applications with long standby periods. Unlike PNP-based designs, a 2Ω PMOS device maintains ultra-low supply current throughout the entire operating range and in dropout. The parts are internally protected from output short circuits, reverse battery connection, and thermal overload. An internal power-OK (POK) comparator indicates when the output is out of regulation. The MAX8880 output is adjustable from 1.25V to 5V using an external resistor-divider. The MAX8881 provides only factory-preset output voltages of 1.8V, 2.5V, 3.3V, or 5V (see Ordering Information in the full data sheet). The devices are available in 6-pin SOT23 and 6-pin TDFN packages.

关键特性
  • 3.5µA Supply Current at 12V
  • Reverse Battery Protection
  • 2.5V to 12V Input Voltage Range
  • ±1.5% Output Voltage Accuracy
  • 200mA max Output Current
  • 2Ω PMOS Output Device
  • Short-Circuit and Thermal Overload Protection
  • POK Output for Out-of-Regulation Indicator
  • Fixed 1.8V, 2.5V, 3.3V, and 5V (MAX8881) Adjustable from 1.25V to 5V (MAX8880)
  • Tiny 6-Pin SOT23 Package
  • Thin 6-Pin TDFN Package
MAX8880、MAX8881:典型工作电路
MAX8880、MAX8881:典型工作电路
应用
  • 电池供电报警
  • CMOS备用电源
  • 手持终端
  • PDA
  • 实时时钟
  • 远端发送器
  • 智能电池组/充电器
  • 烟雾检测器
数据手册DataSheet
语言下载文件备注
英文MAX8880-MAX8881.pdfRev 2; 01/2008
关键参数
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
MAX888012.512-1.2550.3620020010300NoNoVout-9.5%NoYes-40 to +85
  • SOT/6
  • TDFN-EP/6
$0.86 @1k
MAX8881
  • 1.8
  • 2.5
  • 3.3
  • 5
--SOT/6
技术资料
质量和环境数据
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX8880ETT+生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX8880ETT+T生产中TDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX8880ETT-T停止供货MAX8880ETT+TTDFN-EP,;6引脚;9.6mm²-40°C至+85°CRoHS/无铅:否
MAX8880EUT生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX8880EUT+生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX8880EUT+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
MAX8880EUT-T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX8880EUT/GH9-T停止供货MAX8880EUT+SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:否
MAX8880EUT/V+T生产中SOT,;6引脚;9mm²-40°C至+85°CRoHS/无铅:无铅
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