参数资料
型号: NCP1392BDR2G
厂商: ON Semiconductor
文件页数: 15/21页
文件大小: 0K
描述: IC HALF BRIDGE DVR HV OSC 8SOIC
标准包装: 2,500
类型: 半桥
输入类型: 非反相
输出数: 2
电流 - 峰值输出: 1A
电源电压: 16V
工作温度: -40°C ~ 125°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-SOICN
包装: 带卷 (TR)
NCP1392B, NCP1392D
Figure 31. Simulation Results for 350/250 ON/OFF Brown ? Out Levels
The IBO current sink is turned ON for BOdisch time after
any controller restart to let the BO input voltage stabilize
(there can be connected big capacitor to the BO input and the
IBO is only 18.2 m A so it will take some time to discharge).
Once the BOdisch time one shoot pulse ends the BO
comparator is supposed to either hold the I BO sink turned
ON (if the bulk voltage level is not sufficient) or let it turned
OFF (if the bulk voltage is higher than V bulk1 ).
See Figures 10 ? 13 for better understanding on how the
BO input works.
Vbulk_ON
Vbulk_OFF
Vbulk
1V
IBO is turned ON after Vcc_ON by
VBO
internal logic (for BOdisch time)
BO_OK
Vcc
< BOdisch
DRV_EN
Figure 32. BO Input Functionality ? V bulk2 < V bulk < V bulk1
http://onsemi.com
15
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