MAX17080 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17080 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.)
STARTUP WAVEFORMS
MAX17080 toc16
SHDN, 5V/div
0
VOUT1, 0.5V/div
VOUT2, 0.5V/div
VOUT3, 0.5V/div
0
0
0
PWRGD, 5V/div
0
5A
ILX, 5A/div
0
1A
ILX3, 1A/div
0
200µs/div
VIN = 12V
VBOOT = 1V
ILOAD1 = 3A
ILOAD2 = 3A
ILOAD3 = 0.5A
STARTUP SEQUENCE
MAX17080 toc17
SHDN, 5V/div
0
VOUT1, 0.5V/div
VOUT2, 0.5V/div
VOUT3, 0.5V/div
0
0
PWRGD, 5V/div
0
0
PGD_IN, 2.5V/div
0
SVC, 2.5V/div
0
SVD, 2.5V/div
0
400µs/div
VIN = 12V
VBOOT = 1V
VSVID = 1.2V
SHUTDOWN WAVEFORMS
MAX17080 toc18
3.3V
1.2V
SHDN, 5V/div
1.2V
1.2V
5V
5V
5V
5V
100µs/div
VIN = 12V
VSVID = 1.2V
ILOAD1 = 3A
ILOAD2 = 3A
ILOAD3 = 0.5A
VOUT1, 0.5V/div
VOUT2, 0.5V/div
VOUT3, 0.5V/div
DL1, 10V/div
DL2, 10V/div
LX3, 10V/div
PWRGD, 10V/div
CORE SMPS 1-PH LOAD-TRANSIENT
RESPONSE
MAX17080 toc19
1.2V
VOUT1, 50mV/div
13.5A
1.5A
ILX1, 10A/div
12V
LX1, 10V/div
0
20µs/div
VIN = 12V
ILOAD1 = 1.5A TO 13.5A TO 1.5A
VOUT1 = 1.2V PWM MODE
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