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数据资料 | 3.3V/5V或可调、升/降压型DC-DC转换器 | Jul 01, 1997 |
支持和培训
采样:
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主要特征
- Step-Up/Down Voltage Conversion
- +1.8V to +11V Input Range
- Output:
- 5V/250mA at VIN = 1.8V
- 5V/500mA at VIN = 3.6V
- No External FETs Required
- Load Disconnected from Input in Shutdown
- Battery Drain:
- 200µA No-Load (VIN = 4V)
- 7µA in Standby
- 0.2µA when Off
- 200µA No-Load (VIN = 4V)
- Low-Noise and High-Efficiency Modes
应用/用途
- 2节至4节AA碱性电池供电的手持设备
- 2节、3节及4节电池供电设备
- 3.3V及其它低电压系统
- 电池供电设备与AC输入适配器
- 数码相机
- 单节锂离子电池供电便携式设备
描述
The MAX710/MAX711 integrate a step-up DC-DC converter with a linear regulator to provide step-up/down voltage conversion. They are optimized for battery applications where the input varies above and below the regulated output voltage. They have an input range from +1.8V to +11V. Typical efficiency when boosting battery inputs is 85%.
The MAX710/MAX711 can be configured for minimum noise or optimum efficiency. Shutdown control turns off the part completely, disconnecting the input from the output (ISHDN = 0.2µA). Standby control turns off only the step-up converter and leaves the low-power linear regulator active (IQ = 7µA).
The MAX710 has a preset 3.3V or 5V output voltage. The MAX711 has an adjustable output that can be set from +2.7V to +5.5V with two resistors. Both devices come in 16-pin narrow SO packages.
The MAX710/MAX711 can be configured for minimum noise or optimum efficiency. Shutdown control turns off the part completely, disconnecting the input from the output (ISHDN = 0.2µA). Standby control turns off only the step-up converter and leaves the low-power linear regulator active (IQ = 7µA).
The MAX710 has a preset 3.3V or 5V output voltage. The MAX711 has an adjustable output that can be set from +2.7V to +5.5V with two resistors. Both devices come in 16-pin narrow SO packages.
Technical Docs
数据资料 | 3.3V/5V或可调、升/降压型DC-DC转换器 | Jul 01, 1997 |
支持和培训
采样:
选择上方“样片”按钮将重定向至第三方ADI样片网站。登录后,所选部件将转移到您在此网站上的购物车。如果您之前从未使用过此网站,请创建一个新帐户。有关此样片网站的任何问题,请联系SampleSupport@analog.com。