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| 型号： | CS8312YDR8 |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | IC PREDRIVER IGBT IGNITION 8SOIC |
| 产品变化通告： | Product Obsolescence 30/Dec/2003 |
| 标准包装： | 2,500 |
| 配置： | 低端 |
| 输入类型： | 非反相 |
| 延迟时间： | 30µs |
| 电流 - 峰： | 5mA |
| 配置数： | 1 |
| 输出数： | 1 |
| 电源电压： | 7 V ~ 10 V |
| 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) |
| 其它名称： | CS8312YDR8OS |
CS8312
CIRCUIT DESCRIPTION
Flag Function (See Figure 2)
The flag indicates when the voltage across the two sense
pins is approaching a current limit level that has been
determined by the value of the external sense resistor
(R SENSE ) and the state of the CTRL and CLI pins. If the
voltage across the sense pins (SENSE+, SENSE–) is less
than the flag turn–on voltage, then the FLAG is off. When
the voltage between the sense pins equals the FLAG turn on
voltage, the FLAG will latch on until the CTRL pin goes
low. FLAG is disabled whenever CTRL is low. Changing the
CLI pin from low to high will increase nominal FLAG turn
on voltage by approximately 45%.
Table 1. FLAG Timing Sequence
Output Stage
The CS8312 output (OUT) saturates and supplies voltage
to the IGBT (or MOSFET) gate once the CTRL switches
from low to high. As current through the IGBT (MOSFET)
increases and the voltage across the sense resistor passes the
flag turn on voltage, the FLAG will turn on. If the current
through the sense resistor continues to rise and the sense
resistor voltage reaches the regulation sense voltage, then
the gate voltage will fall to a level that regulates the driver
and maintains the regulation sense voltage at the sense
resistor.
Current Limit Function
Changing the CLI pin from a logic low to a logic high
State
0
1
2
3
0
CONTROL
Low
High
High
High
Low
SENSE+
X
Below Threshold
Above Threshold
X
X
FLAG
OFF
OFF
ON
ON
OFF
increases the FLAG turn on voltage by approximately 45%
and the regulation sense voltage by approximately 39%
respectively.
V CC
V CC
V CC
0.1 μ F
OUT
V BAT
LOAD
Microprocessor
R
FLAG
CTRL
CS8312
SENSE+
CLI
SENSE–
GND
Figure 2. Application and Test Diagram
http://onsemi.com
4
R SENSE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CS8312YN8 | 功能描述:IC PREDRIVER IGBT IGNITION 8DIP RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:- 标准包装:50 系列:- 配置:低端 输入类型:非反相 延迟时间:40ns 电流 - 峰:9A 配置数:1 输出数:1 高端电压 - 最大（自引导启动）:- 电源电压:4.5 V ~ 35 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6，D²Pak（5 引线+接片），TO-263BA 供应商设备封装:TO-263 包装:管件 |
| CS831A1 | 制造商:HVPSI 制造商全称:High Voltage Power Solutions, Inc. 功能描述:MOV Modules |
| CS831A2 | 制造商:HVPSI 制造商全称:High Voltage Power Solutions, Inc. 功能描述:MOV Modules |
| CS831B1 | 制造商:HVPSI 制造商全称:High Voltage Power Solutions, Inc. 功能描述:MOV Modules |
| CS831B2 | 制造商:HVPSI 制造商全称:High Voltage Power Solutions, Inc. 功能描述:MOV Modules |
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