参数资料
型号: IR21571
厂商: International Rectifier
英文描述: FULLY INTEGRATED BALLAST CONTROL IC
中文描述: 完全集成的镇流器控制IC
文件页数: 15/17页
文件大小: 234K
代理商: IR21571
IR21571
(S)
www.irf.com
15
Recovery from such a fault condition is accomplished
by cycling either the SD lead or the V
CC
lead. When
a lamp is removed, the SD lead goes high, the fault
latch is reset, and the chip is held off in an unlatched
state. Lamp replacement causes the SD lead to go
low again, reinitiating the startup sequence. The fault
latch can also be reset by the undervoltage lockout
signal, if V
CC
falls below the lower undervoltage
threshold.
Bootstrap Supply Considerations
Power is normally supplied to the high-side circuitry
by means of a simple charge pump from V
CC
, as
shown in Figure 19.
Figure 17: Operation below resonance
Figure 18: Auto restart for lamp replacement
Figure 16: Hard switching condition
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IR21571PBF 功能描述:功率驱动器IC Ballast Cntrl Thrml Ovrload Prot RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
IR21571PBF 制造商:International Rectifier 功能描述:Controller IC Output Voltage Max.:25V
IR21571S 功能描述:IC BALLAST CONTROL 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 照明,镇流器控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:CCFL 控制器 频率:40 ~ 80 kHz 电流 - 电源:5mA 电流 - 输出:- 电源电压:4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC 包装:带卷 (TR) 其它名称:90-3991V+V01
IR21571SPBF 功能描述:功率驱动器IC BALLAST CTRL BELO 600V 15.6V VCC 150uA RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
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