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参数资料
| 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： | 5/25页 |
| 文件大小： | 259K |
| 代理商： | IR21592S |
IR21592/IR21593
(S)
www.irf.com
5
Electrical Characteristics (cont.)
V
CC
= V
BS
= V
BIAS
= 14V +/- 0.25V, V
CS
= 0.5V, V
SD
= 0.0V, R
FMIN
= 40k, C
VCO
= 10 nF, V
DIM
= 0.0V, R
MAX
= 33k,
R
MIN
= 56k, V
TPH
= 0.0V, C
LO,HO
= 1000pF, T
A
= 25
C unless otherwise specified.
Symbol Definition
Min.
Typ.
Max. Units Test Conditions
V
FMIN
V
FMINFLT
FMIN pin voltage during normal operation
FMIN pin voltage during fault mode
4.6
—
5.1
0.0
6.25
—
V VMIN=1.5V,VIPH=0.5V
V
SD = 5V, or CS = 2V,
or Tj > TSD
Minimum Frequency Setting
V
SDTH+
V
CSTH
V
VDCTH+
V
SDHYS
V
VDCHYS
V
SDCLMP
T
SD
Rising shutdown pin threshold voltage
Peak over current threshold
Rising VDC pin threshold voltage
SD threshold hysteresis
VDC threshold hysteresis
SD pin clamp voltage
Thermal shutdown junction temperature
1.6
1.2
—
—
—
—
—
2.0
1.6
5.1
150
2.1
7.6
165
2.6
1.9
—
—
—
—
—
VCPH =VIPH=0V
VCPH < 5V
VCPH=VCS=VSD=0V
mV
V
CPH
=VIPH=0V
VCPH=VCS=VSD=0V
ISD = 100mA
o
C
Protection Characteristics
V
V
V
CSTHZX
t
Blank
Zero-crossing threshold voltage
Zero-crossing internal blank time
—
291 400
0.0
—
V V
CPH
=5.5V,VIPH=0.5V
ns V
CPH
=5.5V,VIPH=0.5V
1030
Phase Control
V
DIMOFF
V
MINMIN
V
MINMAX
DIM pin offset voltage
DIM minimum reference voltage (MIN pin)
DIM maximum reference voltage (MIN pin)
—
—
—
0.5
1.0
3.0
—
—
—
V
CPH
=5.5V,VIPH=0.5V
V
CPH
=0.5V,VIPH=0.5V
Dimming Interface
V
Preheat Characteristics
I
CPH
CPH pin charging current
0.8
1.3
2.1
μ
A VCPH=VDIM=4.7V,
VCS=1.0V
VCS=2.0V
VCS=VDIM=VIPH=0V
μ
A
VCPH=VDIM=4.7V,
IIPH=1/RFMIN
V RIPH=27K, VMIN=0V,
VCPH=0V, VCSTH =
(IIPH) x (RIPH)
V
SD = 5V, or CS = 2V,
or Tj > TSD
V
CPHIGN
V
CPHCLMP
I
IPH
CPH pin ignition mode threshold voltage
CPH pin clamp voltage
IPH pin DC source current
4.3
—
—
5.0
10
25
5.7
—
—
V
CSTHPH
Peak preheat current regulation threshold
—
0.7
—
V
CPHFLT
CPH pin voltage during UVLO or fault
—
0.0
—
V
Ignition Detection
I
IPHIGN+
IPH source current (Vcs rising)
—
30
—
VCS=0V, RIPH=18K,
VCPH>5.1V
VCS =1.0V,
VCPH>5.1V
I
IPHIGN-
IPH source current (Vcs falling)
—
27.5
—
μ
A
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