參數(shù)資料
型號: IR21593S
廠商: International Rectifier
英文描述: DIMMING BALLAST CONTROL IC
中文描述: 調光鎮(zhèn)流器控制IC
文件頁數(shù): 5/25頁
文件大小: 259K
代理商: IR21593S
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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