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IR3876MBF датащи(PDF) 9 Page - International Rectifier

номер детали IR3876MBF
подробное описание детали  12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
PDF  20 Pages
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производитель  IRF [International Rectifier]
домашняя страница  http://www.irf.com
Logo IRF - International Rectifier

IR3876MBF датащи(HTML) 9 Page - International Rectifier

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IR3876MBF
Figure 8: Startup
Figure 9: Shutdown
Figure 10: DCM (I
OUT = 0.1A)
Figure 11: CCM (I
OUT = 12A)
Figure 12: Over Current Protection
(tested by shorting VOUT to PGND)
Figure 13: Over Voltage Protection
(tested by shorting FB to VOUT)
EN
PGOOD
SS
VOUT
EN
PGOOD
SS
VOUT
VOUT
PHASE
i
L
VOUT
PHASE
i
L
PGOOD
VOUT
IOUT
PGOOD
FB
VOUT
i
L
TYPICAL OPERATING DATA
Tested with demoboard shown in Figure 7, VIN = 12.6V, VCC = 5V, Vout = 1.05V, Fs = 300kHz, TA = 25oC, no airflow,
unless otherwise specified
5V/div 5V/div 1V/div 500mV/div
5ms/div
5V/div 5V/div 1V/div 500mV/div
200µs/div
20mV/div 5V/div 2A/div
10µs/div
20mV/div 5V/div 5A/div
2µs/div
5V/div 1V/div 500mV/div 2A/div
50µs/div
5V/div 1V/div 1V/div 10A/div
2ms/div
SS



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