参数资料
型号: IR3550MTRPBF
厂商: International Rectifier
文件页数: 12/22页
文件大小: 0K
描述: IC DRIVER GATE 60A PQFN
标准包装: 1
系列: *
其它名称: IR3550MTRPBFDKR
60A Integrated PowIRstage?
IR3550
TYPICAL OPERATING CHARACTERISTICS (CONTINUED)
Circuit of Figure 32, V IN =12V, V OUT =1.2V, ? SW = 400kHz, L=150nH (0.29m Ω), VCC=7V, T AMBIENT = 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.
VCC
2V/div
V(IOUT)-
V(REFIN)
0.2V/div
IL
10A/div
BBRK#
2V/div
SW
20V/div
4ms/div
Figure 25: Diode Emulation Setup through BBRK# Input
VCC
2V/div
2us/div
Figure 28: Current Sense Amplifier Output, I OUT = 0A
V(IOUT)-
V(REFIN)
0.2V/div
IL
10A/div
BBRK#
2V/div
SW
20V/div
4ms/div
Figure 26: Diode Emulation Setup through BBRK# Input
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
2us/div
Figure 29: Current Sense Amplifier Output, I OUT = 20A
V(IOUT)-
V(REFIN)
0.2V/div
IL
10A/div
0.00
0
5
10
15
20
25
30
35
40
45
50
SW
20V/div
Output Current (A)
2us/div
Figure 27: Current Sense Amplifier Output vs. Current
Figure 30: Current Sense Amplifier Output, I OUT = 40A
12
March 12, 2012 | FINAL DATASHEET
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