MAX17409 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17409 Datasheet PDF : 32 Pages
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1-Phase Quick-PWM GPU Controller
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 12V, VCC = VDD = 5V, SHDN = VCC, G0–G5 set for 1.05V (G0–G5 = 100110), TA = +25°C, unless other-
wise specified.)
Gm(IMON) TRANSCONDUCTANCE
DISTRIBUTION
100
+85°C
90 +25°C
SAMPLE SIZE = 100
80
70
60
50
40
30
20
10
0
TRANSCONDUCTANCE (mS)
SOFT-START WAVEFORM
MAX17409 toc08
5V
A
0
0
B
0.95V
C
0
D
0
E
0
1ms/div
A. SHDN, 5V/div
B. ILX, 10A/div
C. VOUT, 500mV/div
D. PWRGD, 5V/div
E. DL, 5V/div
IOUT = 0A, SKIP MODE
SOFT-SHUTDOWN WAVEFORM
MAX17409 toc09
5V
A
0
0
B
0.95V
C
0
D
0
E
0
100µs/div
A. SHDN, 5V/div
D. PWRGD, 5V/div
B. ILX, 10A/div
C. VOUT, 500mV/div
E. DL, 5V/div
IOUT = 0A, SKIP MODE
LOAD-TRANSIENT RESPONSE
(PWM MODE)
MAX17409 toc10
LOAD-TRANSIENT RESPONSE
(SKIP MODE)
MAX17409 toc11
0.95V
A
1A
B
C
0
20µs/div
A. VOUT, 50mV/div
B. ILX, 20A/div
C. LX, 10V/div
IOUT = 1A - 11A
0.95V
A
1A
B
C
0
20µs/div
A. VOUT, 50mV/div
B. ILX, 20A/div
C. LX, 10V/div
IOUT = 1A - 11A
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