MAX8566 查看數據表（PDF） - Maxim Integrated
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MAX8566 Datasheet PDF : 20 Pages
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High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
Typical Operating Characteristics (continued)
(Typical values are at VIN = VDD = 3.3V, VOUT = 1.8V, RFREQ = 50kΩ, IOUT = 10A, and TA = +25°C.)
6.5A
IIN
(5A/div)
0A
VREFIN 0.6V
(500mV/div)
0V
1.8V
VOUT
(1V/div)
0V
SOFT-START WITH REFIN
MAX8566 toc16
3V
VPWRGD
(2V/div)
0V
SYNCHRONIZED OPERATION (NO LOAD)
MAX8566 toc17
IIN
(AC-COUPLED)
(20mA/div) 0A
IL1
(2A/div)
IL2
(2A/div)
0A
VLX1 3.3V
(5V/div) 0V
VLX2 3.3V
(5V/div) 0V
t = 400µs/div
t = 400ns/div
SOFT-START TIME
vs. SOFT-START CAPACITANCE
800
700
600
500
400
300
200
100
0
0 1 2 3 4 5 6 7 8 9 10
CSS (µF)
7.5A
IIN (PEAK)
(5A/div)
0A
3.3V
VEN
(12V/div)
0V
1.8V
VOUT 0.9V
(1V/div)
0V
STARTUP INTO PREBIASED OUTPUT
(RLOAD = 0.18Ω)
MAX8566 toc19
3V
VPWRGD
(2V/div)
0V
t = 400µs/div
10 ______________________________________________________________________________________
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