參數(shù)資料
型號: IR21571
廠商: International Rectifier
英文描述: FULLY INTEGRATED BALLAST CONTROL IC
中文描述: 完全集成的鎮(zhèn)流器控制IC
文件頁數(shù): 2/17頁
文件大?。?/td> 234K
代理商: IR21571
IR21571
(S)
2
www.irf.com
Note 1:
This IC contains a zener clamp structure between the chip V
CC
and COM which has a nominal breakdown
voltage of 15.6V. Please note that this supply pin should not be driven by a DC, low impedance power source
greater than the V
CLAMP
specified in the Electrical Characteristics section.
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage
parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal
resistance and power dissipation ratings are measured under board mounted and still air conditions.
Symbol Definition
V
B
V
S
V
HO
V
LO
I
OMAX
Min.
-0.3
Max.
625
Units
High side floating supply voltage
High side floating supply offset voltage
V
B
- 25
V
S
- 0.3
-0.3
V
B
+ 0.3
V
B
+ 0.3
V
CC
+ 0.3
High side floating output voltage
Low side output voltage
Maximum allowable output current (either output) due to
external power transistor miller effect
I
RT
V
CT
V
DC
I
CPH
I
RPH
I
RUN
I
DT
V
CS
I
CS
I
OC
I
SD
I
CC
dV/dt
R
T
pin current
C
T
pin voltage
V
DC
pin voltage
CPH pin current
-5
5
-0.3
5.5
-0.3
V
CC
+ 0.3
5
-5
RPH pin current
-5
5
RUN pin current
-5
5
Deadtime pin current
-5
5
Current sense pin voltage
-0.3
5.5
V
Current sense pin current
-5
5
Over-current threshold pin current
-5
5
Shutdown pin current
-5
5
Supply current (note 1)
-20
20
Allowable offset voltage slew rate
Package power dissipation @ T
A
+25
°
C
P
D =
(T
JMAX
-T
A
)/Rth
JA
Thermal resistance, junction to ambient
-50
50
V/ns
P
D
(16 lead PDIP)
1.60
(16 lead SOIC)
1.00
Rth
JA
(16 lead PDIP)
75
(16 lead SOIC)
115
T
J
T
S
T
L
Junction temperature
-55
150
Storage temperature
-55
150
Lead temperature (soldering, 10 seconds)
300
V
°
C/W
mA
-500
500
V
mA
mA
W
°
C
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