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参数资料
| 型号： | IRS2980STRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 5/18页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER |
| 标准包装： | 2,500 |
| 系列： | * |
IRS2980S
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.
High Voltage Input
Supply Current
Maximum Power Dissipation @ TA ≤ +25oC
Symbol
VHV
VOUT
VADIM
VRAMP
ICC
IOMAX
PD
R θ JA
TJ
TS
TL
Definition
?
Low-Side Output Voltage
DIM Input Voltage
RAMP Input Voltage
??
Maximum allowable current at OUT due to external
power transistor Miller effect.
???
Thermal Resistance, Junction to Ambient
Junction Temperature
Storage Temperature
Lead Temperature (Soldering, 10 seconds)
Min.
-0.3
-0.3
-0.3
-0.3
---
-500
---
---
-55
-55
---
Max.
450
VCC + 0.3
VCC + 0.3
VCC + 0.3
20
500
0.625
128
150
150
300
Units
V
mA
W
oC/W
oC
?
??
???
The IRS2980S uses an HVIC process capable of withstanding up to 600V, however the internal
regulator maximum input voltage rating is limited to 450V maximum due to package power
dissipation. The device can withstand transient voltages up to 600V for short periods.
This IC contains a zener clamp structure between the chip VCC and COM which has a nominal
breakdown voltage of 15.6V. This supply pin should not be driven by a DC, low impedance power
source greater than the VCLAMP specified in the Electrical Characteristics section.
Power dissipation is dependent on VHV and switching frequency. In order to limit device
temperature rise some thermal relief may be required in the form of copper on the PCB located
under and around the device. Alternatively a small heat sink may be attached to the top of the
device. Thermally conductive potting compounds can also provide excellent heat transfer.
www.irf.com
5
? 2011 International Rectifier
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| IRS-3.3/15-Q48N-C | 功能描述:1/16TH BRICK 3.3V 15A 18-75VIN 制造商:murata power solutions inc. 系列:* 零件状态:在售 标准包装:24 |
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