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参数资料
| 型号： | IR21571STRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 15/18页 |
| 文件大小： | 0K |
| 描述： | IC BALLAST CONTROL INTEG 16-SOIC |
| 标准包装： | 2,500 |
| 类型： | 镇流器控制器 |
| 频率： | 45.5 ~ 50.5 kHz |
| 电流 - 电源： | 5.5mA |
| 电流 - 输出： | 500mA |
| 电源电压： | 11.4 V ~ 15.6 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 带卷 (TR) |
IR21571(S) & (PbF)
Figure 16: Hard switching condition
Figure 18: Auto restart for lamp replacement
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
www.irf.com
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| IR2157S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Ballast Control. Below Resonance Protection. Thermal Overload Protection. Protection from Failure to Strike. Programmable Preheat Time and Run Frequency. Programmable Deadtime in a 16-lead SOIC Narrow package |
| IR2159 | 制造商:IRF 制造商全称:International Rectifier 功能描述:DIMMING BALLAST CONTROL IC |
| IR21591 | 制造商:IRF 制造商全称:International Rectifier 功能描述:DIMMING BALLAST CONTROL IC |
| IR21591S | 制造商:IRF 制造商全称:International Rectifier 功能描述:DIMMING BALLAST CONTROL IC |
| IR21592 | 功能描述:IC CTRLR BALLAST DIMMING 16-DIP 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 |
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