IR21531S データシートの表示（PDF） - Infineon Technologies
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IR21531S Datasheet PDF : 9 Pages
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IR21531(D)(S) & (PbF)
NOTE:For new designs, we recommend
IR’s new product IRS21531D
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.
Symbol
VB
VS
VHO
VLO
VRT
VCT
ICC
IRT
dVs/dt
PD
RthJA
TJ
TS
TL
Definition
High side floating supply voltage
High side floating supply offset voltage
High side floating output voltage
Low side output voltage
RT pin voltage
CT pin voltage
Supply current (note 1)
RT pin current
Allowable offset voltage slew rate
Maximum power dissipation @ TA ≤ +25°C (8 Lead DIP)
(8 Lead SOIC)
Thermal resistance, junction to ambient
(8 Lead DIP)
(8 Lead SOIC)
Junction temperature
Storage temperature
Lead temperature (soldering, 10 seconds)
Min.
-0.3
VB - 25
VS - 0.3
-0.3
-0.3
-0.3
—
-5
-50
—
—
—
—
-55
-55
—
Max.
625
VB + 0.3
VB + 0.3
VCC + 0.3
VCC + 0.3
VCC + 0.3
25
5
50
1.0
0.625
125
200
150
150
300
Units
V
mA
V/ns
W
°C/W
°C
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol
VBs
VS
VCC
ICC
TJ
Definition
High side floating supply voltage
Steady state high side floating supply offset voltage
Supply voltage
Supply current
Junction temperature
Min.
VCC - 0.7
-3.0 (note 2)
10
(note 3)
-40
Max.
VCLAMP
600
VCLAMP
5
125
Units
V
mA
°C
Note 1:
Note 2:
Note 3:
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.
Care should be taken to avoid output switching conditions where the VS node flies inductively below ground by
more than 5V.
Enough current should be supplied to the VCC pin of the IC to keep the internal 15.6V zener diode clamping the
voltage at this pin.
2
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