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参数资料
| 型号： | DS1836BS-5+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC MICROMAN 5V ACT HI 5% 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | MicroManager |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效 |
| 复位超时： | 最小为 200 ms |
| 电压 - 阀值： | 4.63V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1836A/B/C/D
OPERATION
Power Monitor
The DS1836 provides the functions of detecting out-of-tolerance conditions on a 3.3V or 5V power
supply and warning a processor-based system of impending power failure. When V CC is detected as out of
tolerance the RST will be forced active. When V CC returns to a valid state the RST will remain active for
about 350ms and then return to an inactive state until the next V CC out-of-tolerance condition.
On power-up reset is kept active for approximately 350ms after the power supply input has reached the
selected tolerance. This allows the power supply and system power to stabilize before RST is released.
Power Switch (DS1836A & B)
The DS1836 switches the V OUT output between V CC and V BAT . On the initial power-up, V OUT draws
current from the V BAT input until V CC exceeds 3.9V. When V CC exceeds 3.9V V OUT switches from V BAT
to V CC and will not switch back to V BAT until V CC drops below 3.8V. When V CC is below 3.8V, power
will be drawn from the supply with the highest voltage: either V CC or V BAT .
Power Switch (DS1836C & D)
The DS1836 switches the V OUT output between V CC and V BAT . On the initial power up, V OUT draws
current from the V BAT input until V CC exceeds 2.8V. When V CC exceeds 2.8V V OUT switches from V BAT
to V CC and will not switch back to V BAT until V CC drops below 2.6V. When V CC is below 2.6V, power
will be drawn from the supply with the highest voltage either V CC or V BAT .
BLOCK DIAGRAM Figure 1
* DS1836B and DS1836D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1836C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| DS1836C05 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Peripheral IC |
| DS1836C-10 | 功能描述:监控电路 3.3/5V MicroManager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| DS1836C-10+ | 功能描述:监控电路 3.3/5V MicroManager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| DS1836C-20 | 功能描述:监控电路 3.3/5V MicroManager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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