BD7692FJ-E2 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD7692FJ-E2

Power Factor Correction Controller IC

ROHM Semiconductor 

BD7692FJ

6 RT Pin - continued

Figure 10. Maximum Frequency vs RT Resister Value

Figure 11. Maximum ON Width vs RT Resister Value

Figure 12. Zero Current Detection Voltage Delay vs RT Resister Value

Table 1. RT Resister Value Characteristics (reference value)

RRT (kΩ)

fMAXDUTY (kHz)

tMAXDUTY (µs)

tZCDD (µs)

39

580

10

1.10

68

500

15

1.20

120

450

20

1.35

220

420

25

1.40

470

410

30

1.45

*These table and graph mentioned above are reference value. After the confirmation of the actual board, please set the fixed

number.

*The characteristic kind to fluctuate by RT resistance is only five kinds. When RT resistance is set other than the resistor

value mentioned above, it becomes the factor of the unstable operation.

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TSZ22111 • 15 • 001

7/22

TSZ02201-0F2F0A200320-1-2

04.Oct.2018 Rev.001

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