IR3553_15 datasheet(12/22 Pages) IRF

12 / 22 page

July 16, 2014 | DATASHEET V3.3

IR3553

40A Integrated PowIRstage®

TYPICAL OPERATING CHARACTERISTICS (CONTINUED)

Circuit of Figure 32, VIN=12V, VOUT=1.2V, ƒSW = 400kHz, L=150nH (0.29mΩ), VCC=7V, TAMBIENT = 25°C, no heat sink, no air flow,

8-layer PCB board of 3.7” (L) x 2.6” (W), no PWM controller loss, no inductor loss, unless specified otherwise.

Figure 25: Diode Emulation Setup through BBRK# Input

Figure 26: Diode Emulation Setup through BBRK# Input

Figure 27: Current Sense Amplifier Output vs. Current

Figure 28: Current Sense Amplifier Output, IOUT = 0A

Figure 29: Current Sense Amplifier Output, IOUT = 20A

Figure 30: Current Sense Amplifier Output, IOUT = 20A, 300kHz

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

Output Current (A)

VCC

2V/div

BBRK#

2V/div

4ms/div

VCC

2V/div

BBRK#

2V/div

4ms/div

V(IOUT)-

V(REFIN)

0.2V/div

10A/div

2us/div

20V/div

V(IOUT)-

V(REFIN)

0.2V/div

10A/div

2us/div

20V/div

V(IOUT)-

V(REFIN)

0.2V/div

10A/div

2us/div

20V/div

IR3553 데이터시트(PDF) 12 Page - International Rectifier

IR3553 데이터시트(HTML) 12 Page - International Rectifier

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

데이터시트 다운로드

링크 URL