MAX17480 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17480 Datasheet PDF : 48 Pages
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AMD 2-/3-Output Mobile Serial
VID Controller
Typical Operating Characteristics (continued)
(Circuit of Figure 2, VIN = 12V, VDD = VCC = 5V, VDDIO = 2.5V, TA = +25°C, unless otherwise noted.)
CORE SMPS OUTPUT OVERLOAD
WAVEFORM (SEPARATE MODE)
MAX17480 toc24
5V
SHDN, 5V/div
1.2V
5V
VOUT1, 1V/div
0
DL1, 10V/div
1.2V
5V
0
VOUT2, 1V/div
DL2, 10V/div
1.2V
5V
0
100µs/div
VIN = 12V
VSVID = 1.2V
ILOAD1 = 3A TO 40A
ILOAD2 = 3A
ILOAD3 = 0.5A
VOUT3, 1V/div
LX3, 10V/div
CORE SMPS OUTPUT OVERVOLTAGE
WAVEFORM (SEPARATE MODE)
MAX17480 toc25
5V
SHDN, 5V/div
1.2V
VOUT1, 1V/div
DL1, 10V/div
0
1.2V
5V
VOUT2, 1V/div
0
DL2, 10V/div
1.2V
5V
VOUT3, 1V/div
0
LX3, 10V/div
100µs/div
VIN = 12V
VSVID = 1.2V
ILOAD1 = NO LOAD
ILOAD2 = 3A
ILOAD3 = 0.5A
DYNAMIC OUTPUT-VOLTAGE
TRANSITIONS (LIGHT LOAD)
MAX17480 toc26
1.3V
VOUT1, 0.5V/div
0.6V
1.3V
VOUT2, 0.5V/div
0.6V
1.3V
VOUT3, 0.5V/div
0.6V
2.5V
SVC, 2.5V/div
2.5V
SVD, 2.5V/div
100µs/div
VIN = 12V
VSVID = 1.3V TO 0.6V TO 1.3V
PGD_IN TRANSITION (LIGHT LOAD)
MAX17480 toc27
1.1V
VOUT, 200mV/div,
VOUT3, 200mV/div
0.8V
0.9V
0
LX1, 20V/div
0
LX3, 5V/div
1.2V
1.1V
VOUT2, 200mV/div
0
LX2, 20V/div
5V
PWRGD, 5V/div
0
5V
PGD_IN, 5V/div
0
VIN = 12V
VBOOT = 1.1V
10µs/div
VOUT1 = 0.8V
VOUT2 = 1.2V
VOUT3 = 0.9V
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