IRS2509SPBF データシートの表示（PDF） - International Rectifier

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IRS2509SPBF

HALF-BRIDGE DRIVER

International Rectifier 

IRS2509SPbF

Shut down Input

The IRS2509 is equipped with a shut down (/SD) input pin that is used to shutdown or enable the HVIC. When the /SD pin is in the

high state the HVIC is able to operate normally. When the /SD pin is in low state the HVIC is tristated.

Figure 5: Shut down

50%

IN

HO

LO

DTLO-HO 10%

90%

50%

90%

DTHO-LO

MDT = DTLO-HO

10%

- DTHO-LO

Figure 6: Dead time Definition

Figure 7: Delay Matching waveform Definition

Input Logic Compatibility

The inputs of this IC are compatible with standard CMOS and TTL outputs. The IRS2509 has been designed to be compatible with

3.3 V and 5 V logic-level signals. The IRS2509 features an integrated 5.2 V Zener clamp on the /SD. Figure 8 illustrates an input

signal to the IRS2509, its input threshold values, and the logic state of the IC as a result of the input signal.

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