参数资料
型号: SG6516DZ
厂商: Fairchild Semiconductor
文件页数: 7/12页
文件大小: 0K
描述: IC SUPERVISOR PC PWR SUPP 8-DIP
标准包装: 30
类型: 多压监控器
监视电压数目: 4
输出: 开路漏极或开路集电极
电压 - 阀值: 3.3V,5V,12V,12V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
Functional Description
The SG6516 provides over-current protection for the
3.3V, 5V, and two 12V rails. Whenever an OCP
condition occurs at any of the voltage rails, PGO is
LOW and FPO is open. The internal OCP comparators
have a very small offset voltage ( ± 3mV). The sink
currents of IS33, IS5, and IS12 are eight times the
current at the RI pin. The current at the RI pin is V RI /R I .
The following example demonstrates how to set the
over-current protection. If I 1 ×R 1 > I RI × R2, OCP is active.
If R 1 =5m ? , R I =30K ? , and the OCP active level is 35A;
the R 2 resistor is:
R 2 =
I 1 × R 1
I RI × 8
= 525 Ω
(1)
Figure 4. OCP Set-up
where C is bypass noise, with a suggested value
between 1μF ~ 2.2μF
? 2007 Fairchild Semiconductor Corporation
SG6516 ? Rev. 1.0.2
7
www.fairchildsemi.com
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