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| 型号： | IR21592S |
| 厂商： | International Rectifier |
| 英文描述： | DIMMING BALLAST CONTROL IC |
| 中文描述： | 调光镇流器控制IC |
| 文件页数： | 9/25页 |
| 文件大小： | 259K |
| 代理商： | IR21592S |
IR21592/IR21593
(S)
www.irf.com
9
External Components Selection Procedure
(Note:
Please refer to
"Typical Connection"
diagram, page 1)
Calculate R
CS
PK
IGN
CS
I
R
6
=
R
sets the maximum ignition current
which corresponds to the maximum
ignition voltage across the lamp.
R
CS
I
IGN
V
IGN
Select R
FMIN
Use Graph 5 or Graph 6
The minimum operating frequency must
be lower than f
of f
(whichever is
lower). R
FMIN
also programs I
MIN
and
I
IPH
, so R
FMIN
must be set first.
R
FMIN
f
MIN
BEGIN
Calculate R
PULL-UP
VAC
R
=
QCCUV
ON
TURN
UP
PULL
I
Set R
and R
such that the voltage
on pin VDC will exceed 5.1 volts at the
desired line turn-on voltage.
R
VDC
VAC
TURN-ON
Calculate R
VDC
ON
TURN
VAC
R
ON
TURN
1
VDC
VAC
VAC
R
=
1
1
The voltage at pin IPH is the reference
for amplitude current control during
preheat mode. R
IPH
must be set after
R
FMIN
.
R
IPH
I
PH
V
PH
Select & Calculate R
IPH
Use Graph 8 to find I
IPH
,
then calculate R
IPH
I
R
=
IPH
CS
PH
IPH
I
R
PK
Calculate C
CPH
(
CPH
C
6
=
)
PH
t
e
7
During preheat, an internal 1.3
μ
A
current source at pin CPH charges
external capacitor CCPH. Preheat mode
ends when VCPH exceeds 5.1 volts.
C
CPH
t
PH
Calculate
MIN
(Equations 8 & 9)
Find V
MIN
(Graph 9)
R
sets the lower phase boundary
corresponding to minimum lamp
power when V
DIM
= 0 volts. R
MIN
must
be set after R
FMIN
.
R
MIN
MIN
P
LAMP
Calculate R
MAX
Use Equation 15
R
MAX
MAX
P
LAMP
R
sets the upper phase boundary
corresponding to maximum lamp power
when V
DIM
= 5 volts. R
MAX
must be set
after R
FMIN
and R
MIN
.
Find I
MIN
(Graph 7)
MIN
MIN
MIN
I
V
R
=
Calculate R
MIN
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| 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 |
| IR21593 | 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 |
| IR21593PBF | 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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