IRS20954STRPBF International Rectifier, IRS20954STRPBF Datasheet - Page 20

• Manufacturer Part Number: IRS20954STRPBF
• Description: IC DVR DGTL AUDIO PROT 16-SOIC
• Manufacturer: International Rectifier
• Type: MOSFET Driverr

Specifications of IRS20954STRPBF

• Applications: Amplifiers, Receivers
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

time the voltage at CSD pin reached the release threshold, V
for the low-side and high-side are disabled until UVLO of V
As soon as V
MOSFET.
As the IRS20954 contains analog circuitry, careful attention to the power supply decoupling should be taken to achieve proper
operation. Ceramic capacitors of 0.1 µF or more close to the power supply pins are recommended.
Please also refer to the application note AN-978 for general considerations of high voltage gate driver IC.
There is a case that V
This causes excessive negative V
negative bias to V
purpose.
www.irf.com
Power-down Sequence
Power Supply Decoupling
V
SS
Negative Bias Clamping
DD
or V
SS
, if there is a possibility. A standard recovery 1 A diode such as 1N4002 is sufficient in most cases for this
CC
SS
reaches the UVLO negative going threshold, protection logic makes LO and HO 0 V to turn off the
can go below the COM potential such as a case missing negative supply in dual supply configuration.
Not recommended for new designs.
SS
Please use IRS20957SPBF.
voltage to damage the IRS20954. It is recommended to have a diode to clamp potential
Figure 20: IRS20954 Power-Down Timing Chart
CC
and V
th1
, shutdown logic enables LO and HO. The OC detection blocks
BS
are released.
IRS20954SPBF
20