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参数资料
| 型号： | IR21592PBF |
| 厂商： | International Rectifier |
| 文件页数： | 22/26页 |
| 文件大小： | 0K |
| 描述： | IC CTLR BALLAST DIMMING 16-DIP |
| 标准包装： | 25 |
| 类型： | 镇流器控制器 |
| 频率： | 73 ~ 108 kHz |
| 电流 - 电源： | 10mA |
| 电源电压： | 12.5 V ~ 15.6 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-DIP |
| 包装： | 管件 |
| 配用： | IRPLDIM2U-ND - BALLAST DIM DIG 32W/T8 120VAC |
IR21592/IR21593 (S) &(PbF)
Ballast Output Stage
The operating frequency [Hz] at maximum lamp
power is given as:
The components comprising the output stage are
selected using a set of equations. Different ballast
? 2 100 %
2 π LC C V 100 %
? 1
32 P 100 % ?
2
+ ? ? 2 4 ? ?
? 4 V DC ?
1 ? ? ?
?
L C
operating frequencies and their respective
voltages and currents are calculated.
The inductor and capacitor values are obtained
using equations (2) through (7). The results of
f 100 % =
1 1 32 P 2
4
? LC C V 100 % ?
2
2
?
? V 100 % π ?
2 2
(6)
these equations reveal the location of each
I Cath 1 % =
V 1 % f 1 % π C
operating frequency and the corresponding
voltages and currents. For a given L, C, DC bus
voltage, and pre-heat current, the resulting voltage
over the lamp during pre-heat is given as:
The cathode heating current at minimum lamp
power is given as:
(7)
2
? ? 2 V DC ?
? ? ? π
8 L 2 ?
I ph ? ?
? ?
V ph = ? ? ? +
?
2
C
1
2
2 V DC (2)
π
Design Constraints
The inductor and capacitor values should be
iterated until the following design constraints have
The resulting operating frequency during pre-heat
been fulfilled (Table II).
f ph =
is given as:
2 I ph
π CV ph
[Hz]
(3)
Design Constraint
V ph < V ph max
f ph ? f ign > 5 kHz
I ign < I ign max
Reason
Ignition during pre-
heat
Production tolerances
Inductor saturation
The resulting operating frequency during ignition
I Cath 1 % ≥ I Cath min
Lamp extinguishing
during dimming
is given as:
Table II, Ballast design constraints
V DC
f ign =
1
2 π
1 +
4
π
V ign
LC
[Hz]
(4)
IR21592/IR21593 Programmable Inputs
In order to program the MIN and MAX settings of
the dimming interface, the phase of the output
The total load current during ignition is given as:
stage current at minimum and maximum lamp
power must be calculated. This is obtained using
I ign = f ign CV ign 2 π
22
[App] (5)
the following equations:
www.irf.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR21592PBF | 制造商:International Rectifier 功能描述:Controller IC Output Voltage Max.:20V |
| IR21592S | 功能描述:IC CNTRLR BALLAST DIMMING 16SOIC 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 |
| IR21592SPBF | 功能描述:功率驱动器IC DIMMING BALLAST CTRL 0.5 to 5V DC 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 |
| IR21592STR | 功能描述:IC CNTRLR BALLAST DIMMING 16SOIC 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 |
| IR21592STRPBF | 功能描述:功率驱动器IC Dim Ballast Cntrl 1.8us Deadtime 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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