IRPLDIM1E 查看數據表（PDF） - International Rectifier

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IRPLDIM1E

IR21592 Dimming Ballast Control IC Design Kit

International Rectifier 

3) IR21592 Programmable Inputs

With all of the lamp requirements fulfilled, the component values for setting the programmable inputs

of the IR21592 are calculated as:

Equation No.

(8)

(8)

(9)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

Variable

f 100%

f 1%

ϕ 100%

ϕ 1%

RFMIN

RCS

R IPH

C TPH

R MIN

R MAX

Value

46kHz

58kHz

-56.12deg

-89.27deg

33kOhm

0.8 Ohm

24kOhm

330nF

27kOhm

24kOhm

Table V, IR21592 Programmable Inputs for T8/36W lamp.

Important Note: These design kits are intended as a demonstration of the functionality and perfor-

mance of the IR21592 Dimming Ballast Control IC only. Adequate EMI filtering, line transient protec-

tion, galvanic dim control input isolation, and ballast and lamp life testing are not considered in this

design.

10

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