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高端电源

产品详情

主要特征

Parametric specs for MOSFET Drivers
Configuration High-Side N Drive
VSUPPLY (V) 3.5 to 16.5
Oper. Temp. (°C) -40 to +85
Package/Pins PDIP/8
SOIC (N)/8
Budgetary
Price (See Notes)
2.31
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参量

Parametric specs for MOSFET Drivers
Configuration High-Side N Drive
VSUPPLY (V) 3.5 to 16.5
Oper. Temp. (°C) -40 to +85
Package/Pins PDIP/8
SOIC (N)/8
Budgetary
Price (See Notes)
2.31

主要特征

  • +3.5V to +16.5V Operating Supply Voltage Range
  • Output Voltage Regulated to VCC + 11V (typ)
  • 150µA (typ) Quiescent Current
  • Power-Ready Output

应用/用途

  • 电池管理
  • H开关
  • 具有n沟道FET的高端电源控制
  • 低压差稳压器
  • 便携式计算机
  • 低电源电压的功率开关
  • 震动电机驱动器

描述

The MAX1822 high-side supply, using a regulated charge pump, generates a regulated output voltage 11V greater than the input supply voltage to power high-side switching and control circuits. The MAX1822 allows low-resistance N-channel MOSFETs (FETs) to be used in circuits that normally require costly, less efficient P-channel FETs and PNP transistors. The high-side output also eliminates the need for logic FETs in +5V and other low-voltage switching circuits.

A +3.5V to +16.5V input supply range and a typical quiescent current of only 150µA make the MAX1822 ideal for a wide range of line- and battery-powered switching and control applications where efficiency is crucial. Also provided is a logic-level power-ready output (PR) to indicate when the high-side voltage reaches the proper level.

The MAX1822 comes in an 8-pin SO package and requires three inexpensive external capacitors. The MAX1822 is a pin-for-pin replacement to the MAX622.

简化框图

MAX1822:典型工作电路 MAX1822:典型工作电路 Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

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