參數(shù)資料
型號： IR21593
廠商： International Rectifier
英文描述： DIMMING BALLAST CONTROL IC
中文描述： 調(diào)光鎮(zhèn)流器控制IC
文件頁數(shù)： 3/25頁
文件大?。?/td> 259K
代理商： IR21593
IR21592/IR21593
(S)
www.irf.com
3
Note 2:
Enough current should be supplied into the VCC lead to keep the internal 15.6V zener clamp diode on this lead
regulating its voltage, V
CLAMP
.
The MAX lead is a voltage-controlled current source. For optimum dim interface current mirror performance,
this current should be kept between 0 and 750
μ
A.
Note 3:
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol Definition
V
BS
V
S
V
CC
I
CC
V
VCO
V
DIM
V
MAX
V
MIN
V
BSMIN
R
FMIN
I
SD
I
CS
T
J
Min.
V
CC
- 0.7
-1
Max.
V
CLAMP
600
Units
High side floating supply voltage
Steady state high side floating supply offset voltage
Supply voltage
V
CCUV+
note 2
V
CLAMP (15.6)
10
Supply current
mA
VCO pin voltage
DIM pin voltage
0
5
0.5
5.0
MAX pin current (note 3)
-750
0
μ
A
MIN pin voltage
Minimum required V
BS
voltage for proper HO functionality
Minimum frequency setting resistance
Shutdown pin current
1
—
10
-1
3
5
100
1
k
Current sensing pin current
-1
1
Junction temperature
-40
125
o
C
V
V
mA
Electrical Characteristics
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
CPH
= 0.0V, C
LO,HO
= 1000pF, T
A
= 25
o
C unless otherwise specified.
Supply Characteristics
V
CCUV+
V
CC
supply undervoltage positive going
threshold
V
CC
supply undervoltage lockout hysteresis
UVLO mode quiescent current
Fault-mode quiescent current
12.0
12.5
13.0
V
CCHYS
I
QCCUV
I
QCCFLT
1.5
70
—
1.6
200
240
1.7
330
—
V
CC
= 10V
SD=5V, CS=2V, or
Tj > T
SD
V
VCO
= 0V
V
VCO
= 5V
V
VCO
= 0V
V
VCO
= 5V
I
CC
= 10mA
I
CCFMIN
I
CCFMAX
I
CCFMIN
I
CCFMAX
V
CLAMP
V
CC
supply current @ FMIN (IR21592)
V
CC
supply current @ FMAX (IR21592)
V
CC
supply current @ FMIN (IR21593)
V
CC
supply current @ FMAX (IR21593)
V
CC
zener shunt clamp voltage
—
—
—
—
5.6
6.0
5.4
6.8
—
—
—
—
14.5 15.6 16.5
V
Symbol Definition
Min.
Typ.
Max. Units Test Conditions
μ
A
V
mA
V
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