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PDF AUIRS2118S Data sheet ( Hoja de datos )
| Número de pieza | AUIRS2118S | |
| Descripción | SINGLE CHANNEL DRIVER | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Automotive Grade
AUIRS211(7,8)S
SINGLE CHANNEL DRIVER
Features
Product Summary
• Floating channel designed for bootstrap operation
• Fully operational to +600 V
Topology
• Tolerant to negative transient voltage – dV/dt immune VOFFSET
• Gate drive supply range from 10 V to 20 V
• Undervoltage lockout
VOUT
• CMOS Schmitt-triggered inputs with pull-down
(AUIRS2117) or pull-up (AUIRS2118)
Io+ & I o- (typical)
• Output in phase with input (AUIRS2117) or out of
Phase with input (AUIRS2118)
tON & tOFF (typical)
• Leadfree, RoHS compliant
• Automotive qualified*
Package Options
Typical Applications
• Direct/Piezo injection
• BLDC Motor Drive
• MOSFET and IGBT drivers
Single High Side
≤ 600 V
10 V – 20 V
290 mA & 600 mA
140 ns & 140 ns
8-Lead SOIC
Typical Connection Diagram
* Qualification standards can be found on IR’s web site ww.irf.com
© 2010 International Rectifier
1 page  
AUIRS211(7,8)Swww.DataSheet4U.com
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 lead. Stresses beyond those listed under "
Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only; and
functional operation of the device at these or any other condition beyond those indicated in the “Recommended
Operating Conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may
affect device reliability. The thermal resistance and power dissipation ratings are measured under board mounted
and still air conditions. Ambient temperature (TA) is 25°C, unless otherwise specified.
Symbol
VB
VS
VHO
VCC
VIN
dVS/dt
PD
RthJA
TJ
TS
TL
Definition
High-side floating absolute voltage
High-side floating supply offset voltage
High-side floating output voltage
Logic supply voltage
Logic input voltage
Allowable offset supply voltage transient (Fig. 2)
Package power dissipation @ TA ≤ 25°C
Thermal resistance, junction to ambient
Junction temperature
Storage temperature
Lead temperature (soldering, 10 seconds)
Min.
-0.3
VB - 25
VS - 0.3
-0.3
0.3
—
—
Max.
625
VB + 0.3
VB + 0.3
25
VCC + 0.3
50
0.625
— 200
— 150
-55 150
— 300
Units
V
V/ns
W
°C/W
°C
Recommended Operating Conditions
The input/output logic timing diagram is shown in Fig. 1. For proper operation the device should be used within the
recommended conditions. The VS offset rating is tested with all supplies biased at 15 V differential.
Symbol
Definition
Min Max
Units
VB High-side floating supply absolute voltage
VS High-side floating supply offset voltage
VHO High-side floating output voltage
VCC Logic supply voltage
VIN Logic input voltage
TA Ambient temperature
VS +10
†
VS
10
0
-40
VS +20
600
VB
20
VCC
125
V
°C
† Logic operational for VS of -5 V to +600 V. Logic state held for VS of -5 V to – VBS.
(Please refer to the Design Tip DT97-3 for more details).
www.irf.com
© 2008 International Rectifier
5
5 Page 
AUIRS211(7,8)Swww.DataSheet4U.com
Tolerant to Negative VS Transients
A common problem in today’s high-power switching converters is the transient response of the switch node’s
voltage as the power switches transition on and off quickly while carrying a large current. A typical half bridge
circuit is shown in Figure 5; here we define the power switches and diodes of the inverter.
If the high-side switch (e.g., Q1 in Figures 6 and 7) switches off, while the current is flowing to a load, a current
commutation occurs from high-side switch (Q1) to the diode (D2) in parallel with the low-side switch of the inverter.
At the same instance, the voltage node VS swings from the positive DC bus voltage to the negative DC bus voltage.
Figure 5: Half Bridge Circuit
Also when the current flows from the load back to the inverter (see Figures 8 and 9), and Q2 switches on, the
current commutation occurs from D1 to Q2. At the same instance, the voltage node VS swings from the positive DC
bus voltage to the negative DC bus voltage.
www.irf.com
© 2008 International Rectifier
11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet AUIRS2118S.PDF ] | |
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