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
(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.)
0.9V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
7V
90
12V
80
0.9V OUTPUT VOLTAGE
vs. LOAD CURRENT
0.92
SKIP MODE
0.91
70
60
50
40
0.01
20V
SKIP MODE
PWM MODE
0.1
1
10
100
LOAD CURRENT (A)
0.90
PWM MODE
0.89
0.88
0 2 4 6 8 10 12 14 16
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. LOAD CURRENT
350
VIN = 12V
300
250
200
150
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
100
IIN
10
ICC + IDD
ICC + IDD
1
100
50
0
0.01
SKIP MODE
PWM MODE
0.1
1
10
100
LOAD CURRENT (A)
0.1
IIN
SKIP MODE
PWM MODE
0.01
5 6 7 8 9 10 11 12 13 14
INPUT VOLTAGE (V)
0.8125V OUTPUT
VOLTAGE DISTRIBUTION
90
+85°C
80 +25°C
SAMPLE SIZE = 100
70
60
50
40
30
20
10
0
Gm(FB) TRANSCONDUCTANCE
DISTRIBUTION
50
45
+85°C
+25°C
SAMPLE SIZE = 100
40
35
30
25
20
15
10
5
0
OUTPUT VOLTAGE (V)
TRANSCONDUCTANCE (µS)
8 _______________________________________________________________________________________
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