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參數(shù)資料
| 型號： | IR2520DS |
| 廠商： | International Rectifier |
| 英文描述： | ADAPTIVE BALLAST CONTROL IC |
| 中文描述： | 自適應(yīng)鎮(zhèn)流器控制IC |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 335K |
| 代理商： | IR2520DS |
IR2520D(S)& (PbF)
2
www.irf.com
Symbol
Definition
Min.
Max.
Units
V
B
High side floating supply voltage
-0.3
625
V
S
High side floating supply offset voltage
V
B
- 25
V
B
+ 0.3
V
HO
High side floating output voltage
V
S
- 0.3
V
B
+ 0.3
V
LO
Low side output voltage
-0.3
V
CC
+ 0.3
I
VCO
Voltage controlled oscillator input current (Note 1)
-5
+ 5
mA
I
CC
Supply current (Note 2)
-25
25
mA
dV
S
/dt
Allowable offset voltage slew rate
-50
50
V/ns
P
D
Package power dissipation @ T
A
≤
+25
°
C
8-Lead PDIP
—
1
PD=(T
JMAX
-T
A
)Rth
JA
8-Lead SOIC
—
0.625
Rth
JA
Thermal resistance, junction to ambient
8-Lead PDIP
—
125
8-Lead SOIC
—
200
T
J
Junction temperature
-55
150
T
S
Storage temperature
-55
150
T
L
Lead temperature (soldering, 10 seconds)
—
300
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage param-
eters 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.
V
°
C
W
°
C/W
Note 1: This IC contains a zener clamp structure between the chip VCO and COM, which has a nominal breakdown voltage
of 6V. Please note that this pin should not be driven by a DC, low impedance power source greater than 6V.
Note 2: This IC contains a zener clamp structure between the chip VCC 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
VCLAMP specified in the Electrical Characteristics section.
Note 3: Enough current should be supplied into the VCC pin to keep the internal 15.6V zener clamp diode on this pin
regulating its voltage, VCLAMP.
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol
Definition
Min.
Max.
Units
V
BS
High side floating supply voltage
V
CC
- 0.7
V
CLAMP
V
S
Steady state high side floating supply offset voltage
-1
600
V
CC
Supply voltage
V
CCUV+
V
CLAMP
I
CC
Supply current
Note 3
10
mA
R
FMIN
Minimum frequency setting resistance
20
140
k
V
VCO
VCO pin voltage
0
5
V
T
J
Junction temperature
-25
125
°C
V
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