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OSC oscillation frequency setting function

DRVA and DRVB output oscillation frequency of DC/DC converter controller of each Ch can be set by installing

resistance between RT terminal and GND externally.

10

100

1000

10000

1

10

100

1000

RT端子抵抗[KΩ]

*参考データ

Figure 3 Terminal RT resistance-oscillation frequency

Off latch signal output function

PDET terminal outputs condition of off latch when protection operation of DC/DC converter controller of each Ch

operates.

Table 2 PDET terminal off latch signal output function

Protection operation

Terminal PDET

ON

LOW

OFF

Hi-Z

RT terminal resistance[KΩ]

*reference data