MAX8707 데이터 시트보기 (PDF) - Maxim Integrated
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MAX8707
Maxim Integrated
MAX8707 Datasheet PDF : 37 Pages
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Multiphase, Fixed-Frequency Controller for
AMD Hammer CPU Core Power Supplies
Typical Operating Characteristics (continued)
(Circuit of Figure 1. VIN = 12V, VCC = 5V, SUS = SKIP = GND, SHDN = VCC, VSUSV = 0.80V, TA = +25°C, unless otherwise specified.)
65A
10A
1.30V
LOAD TRANSIENT
(VOUT = 1.30V)
MAX8707 toc16
A
B
30A
0
1.00V
LOAD TRANSIENT
(VOUT = 1.00V)
MAX8707 toc17
A
B
70A
0A
1.30V
TRANSIENT PHASE REPEAT
MAX8707 toc18
A
B
12V
C
0
20A
D
10A
0
20µs/div
A. IOUT = 10A TO 65A,
50A/div
B. VOUT, 100mV/div
C. LX1, 10V/div
D. INDUCTOR CURRENT
(IL1), 10A/div
12V
C
0
10A
D
0
20µs/div
A. IOUT = 0 TO 30A,
50A/div
B. VOUT, 50mV/div
C. LX1, 10V/div
D. INDUCTOR CURRENT
(IL1), 10A/div
20V
C
0
20A
10A
D
0
VIN = 20V
2µs/div
A. IOUT = 0 TO 70A,
100A/div
B. VOUT, 100mV/div
C. LX1, 10V/div
D. INDUCTOR CURRENT
(IL1), 10A/div
DEEP-SLEEP TRANSITION
MAX8707 toc19
3.3V
A
0
0.2V
0
B
C
1.300V
1.275V
5A
5A
D
E
IOUT = 20A
20µs/div
A. DPSLP, 5V/div
B. OFS, 200mV/div
C. VOUT, 25mV/div
D. INDUCTOR CURRENT
(IL1), 10A/div
E. INDUCTOR CURRENT
(IL3), 10A/div
3.3V
0
1.30V
0.80V
5V
0
SUSPEND EXIT TRANSITION
MAX8707 toc20
A
B
C
D
E
3.3V
0
1.30V
0.80V
5V
0
SUSPEND TRANSITION
(SKIP = SUS)
MAX8707 toc21
A
B
C
D
E
20µs/div
A. SUS, 5V/div
B. VOUT, 500mV/div
C. DRSKP, 5V/div
D. INDUCTOR CURRENT
(IL1), 10A/div
E. INDUCTOR CURRENT
(IL3), 10A/div
200µs/div
A. SUS, 5V/div
B. VOUT, 500mV/div
C. DRSKP, 5V/div
D. INDUCTOR CURRENT
(IL1), 10A/div
E. INDUCTOR CURRENT
(IL3), 10A/div
______________________________________________________________________________________ 11
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