9

RD-0613

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Note 1: Different lamp types require different frequency programming components.

Note 2: CEOL and CSD values can be increased up to 470 nF to increase noise immunity.

Note 3: REOL4 value can be increased to 33 kΩ for a more sensitive lamp end-of-life detection

HORIZONTAL

INDUCTOR SPECIFICATION

CORE SIZE

CORE MATERIAL

GAP LENGTH

Fi 324 or equivalent

WINDING

START PIN

FINISH PIN

TURNS

WIRE DIAMETER (mm)

MAIN

ZX

PHYSICAL LAYOUT

TEST

MAIN WINDING INDUCTANCE INDUCTANCE TOLERANCES: +/- 5%

mm

(TEST FREQUENCY = 50kHz)

NOMINAL INDUCTANCE

MAXIMUM CURRENT

MAXIMUM CORE TEMPERATURE

mH

Apk

ºC

115

NOTE : Inductor must not saturate at maximum current and maximum core temperature at

given test frequency

ELECTRICAL

LAYOUT

BOBBIN

PINS

EVD25

3.5

8

2

2.5

17

TBD

35

26

4 strands of AWG 32

AWG 32

5mm

5mm

20.05mm

25mm

TOP VIEW

1

2

3

4

8

7

6

5

MAIN WINDING INDUCTANCE INDUCTANCE RESISTANCE MAX 3.2 OHM

Fig. 5: Power Factor Inductor Specification