MAX17528 查看數據表（PDF） - Maxim Integrated
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MAX17528 Datasheet PDF : 41 Pages
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1-Phase Quick-PWM
Intel IMVP-6.5/GMCH Controllers
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted. Circuit of Figure 1.)
IMVP-6.5 SOFT-START
WAVEFORM (UP TO CLKEN)
MAX17528 toc16
5V
A
0
5V
0
B
1V
C
0
0
D
200µs/div
A. SHDN, 5V/div
B. CLKEN, 5V/div
C. VOUT, 500mV/div
D. INDUCTOR CURRENT,
10A/div
IMVP-6.5 SOFT-START
WAVEFORM (UP TO PWRGD)
MAX17528 toc17
5V
A
0
5V
B
0
5V
C
0
1V
D
0
0
E
1ms/div
A. SHDN, 5V/div
B. PWRGD, 5V/div
C. CLKEN, 5V/div
D. VOUT, 500mV/div
E. INDUCTOR CURRENT,
10A/div
IMVP-6.5 SHUTDOWN WAVEFORM
MAX17528 toc18
5V
A
0
3.3V
B
0
5V
C
0
5V
D
0.9V
E
0
0
F
100µs/div
A. SHDN, 5V/div
B. CLKEN, 3.3V/div
C. PWRGD, 5V/div
E. DL, 5V/div
D. VOUT, 1V/div
F. INDUCTOR CURRENT,
5A/div
GMCH SOFT-START WAVEFORM
MAX17528 toc19
5V
A
0
5V
0
B
0.9V
C
0
0
D
1ms/div
A. SHDN, 5V/div
B. PWRGD, 5V/div
C. VOUT, 500mV/div
D. INDUCTOR CURRENT,
10A/div
5V
0
5V
0
5V
0
1.0815V
GMCH SHUTDOWN WAVEFORM
MAX17528 toc20
A
23A
B
5.5A
C 0.9V
0.863V
23A
LOAD-TRANSIENT RESPONSE
(IMVP-6.5 HFM MODE)
MAX17528 toc21
A
B
C
0
D
0
E 5.5A
100µs/div
A. SHDN, 5V/div
B. PWRGD, 5V/div
C. DL, 5V/div
D. VOUT, 500mV/div
E. INDUCTOR CURRENT,
5A/div
20µs/div
A. IOUT = 5.5A TO 23A,
10A/div
B. VOUT, 50mV/div
C. INDUCTOR CURRENT,
10A/div
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