AN2794 datasheet(35/39 Pages) STMICROELECTRONICS

35 / 39 page

AN2794

Product technical specification

Doc ID 14827 Rev 2

35/39

Appendix B

Product technical specification

Figure 26.

Technical specification for 1.5 mH 2.5 A inductor L4 (produced by

MAGNETICA)

TYPICAL APPLICATION

INDUCTOR FOR

DC/DC CONVERTERS AS BUCK, BOOST E

BUCK-BOOST CONVERTERS. ALSO SUITABLE IN HALF-

BRIDGE

, PUSH-PULL AND FULL-BRIDGE APPLICATIONS

TECHNICAL DATA

INDUCTANCE

1.5mH ±15%

(MEASURE 1KHZ, TA 20°C)

RESISTANCE

0.52

max

(MEASURE DC, TA 20°C)

OPERATING VOLTAGE

800 VP MAX

(F 100K HZ, IR 2.5A, TA 20°C)

OPERATING VOLTAGE

2.5 A MAX

(MEASURE DC 800

VP, TA 20°C)

SATURATION CURRENT

4.5 A NOM

(MEASURE DC, L 50%NOM, TA 20°C)

SELF

-RESONANT FREQUENY

1MHZ NOM

(TA 20°C)

OPERATING TEMPERATURE RANGE

-10°C÷+45°C

(IR 2.5 A MAX)

DIMENSIONS

45X20 H46mm

WEIGHT

78g CIRCA

SCHEMATIC

INDUCTANCE VS CURRENT

INDUCTANCE VS FREQUENCY

DIMENSIONAL DRAWING

DIMENSIONS IN MM

, DRAWING NOT IN SCALE

10%

100%

012

456

I [A]

50%

100%

150%

200%

250%

200

400

600

800

1000

f [kHz]

3 min

45 max

46 max

20 max

0.8 (X4), RECOMMENDED PCB HOLE

1.2 (X4)

BOTTOM VIEW

(PIN SIDE)

12.7

10.16

30.48

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