MAX8760 데이터 시트보기 (PDF) - Maxim Integrated
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MAX8760
Maxim Integrated
MAX8760 Datasheet PDF : 39 Pages
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Dual-Phase, Quick-PWM Controller for AMD
Mobile Turion 64 CPU Core Power Supplies
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 12V, VCC = VDD = 5V, SHDN = SKIP = VCC, D0–D5 set for 1.5V (SUS = GND), S0 and S1 set for 1V
(SUS = VCC), OFS = GND, TA = +25°C, unless otherwise specified.)
3.3V
0
0
1.46V
0
0
0
POWER-UP SEQUENCE
MAX8760 toc17
3.3V
A
0
B
C
0
D
0
E
0
SOFT-START
MAX8760 toc18
A
B
C
D
3.3V
1.46V
SOFT-SHUTDOWN WAVEFORMS
MAX8760 toc19
A
B
10A
C
10A
D
2ms/div
A. SHDN, 5V/div
B. VROK, 5V/div
C. 1.5V OUTPUT, 1V/div
D. IL1, 10A/div
E. IL2, 10A/div
RLOAD = 75mΩ
200µs/div
A. SHDN, 5V/div
B. 1.5V OUTPUT, 500mV/div
C. IL1, 10A/div
D. IL2, 10A/div
RLOAD = 75mΩ
200µs/div
A. SHDN, 5V/div
B. 1.5V OUTPUT, 500mV/div
C. IL1, 10A/div
D. IL2, 10A/div
RLOAD = 75mΩ
15A
5A
15A
5A
1.48A
1.44V
1.30V LOAD TRANSIENT
(10A TO 30A LOAD)
MAX8760 toc20
A
B
C
20µs/div
A. IL1, 10A/div
B. IL2, 10A/div
C. OUTPUT VOLTAGE, 20mV/div
OFFSET TRANSITION
MAX8760 toc21
0.2V
A
0
1.5V
B
5A
C
5A
D
20µs/div
A. VOFS = 0 TO 200mV, 0.2V/div
B. VOUT = 1.500V TO 1.475V, 20mV/div
C. IL1, 10A/div
D. IL2, 10A/div
10A LOAD
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