MAX8664AEEP 查看數據表（PDF） - Maxim Integrated
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MAX8664AEEP Datasheet PDF : 26 Pages
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Low-Cost, Dual-Output, Step-Down
Controller with Fast Transient Response
Typical Operating Characteristics (continued)
(Circuit of Figure 2, 600kHz, VIN = 12V, VOUT1 = 2.5V, VOUT2 = 1.8V, TA = +25°C, unless otherwise noted.)
VIN
VOUT1
VOUT2
VPRWGD
POWER-DOWN WAVEFORMS
MAX8664 toc09
10V/div
1ms/div
2V/div
2V/div
5V/div
ENABLE WAVEFORMS (FIGURE 2)
MAX8664 toc10
ENABLE
VOUT1
VOUT2
VPRWGD
1ms/div
5V/div
2V/div
2V/div
5V/div
ENABLE WAVEFORMS (FIGURE 4)
MAX8664 toc11
ENABLE
5V/div VLX1
VOUT1
VOUT2
VPRWGD
400μs/div
IL1
1V/div
1V/div VLX2
5V/div IL2
SWITCHING WAVEFORMS
MAX8664 toc12
10V/div
5A/div
10V/div
2μs/div
5A/div
605
604
603
602
601
600
599
598
597
596
595
-40
FEEDBACK VOLTAGE
vs. TEMPERATURE
NO LOAD
-20 0 20 40 60 80 100
TEMPERATURE (°C)
VOUT1
IIN
IL1
VPRWGD
SHORT-CIRCUIT WAVEFORMS
MAX8664 toc14
2V/div
2A/div
10μs/div
5A/div
5V/div
VOUT1
IL1
VDH1
VDL1
OVERVOLTAGE PROTECTION
MAX8664 toc15
5V/div
20μs/div
10A/div
10V/div
10V/div
_______________________________________________________________________________________ 5
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