MAX1907A 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1907A
Maxim Integrated
MAX1907A Datasheet PDF : 43 Pages
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Quick-PWM Master Controllers for Voltage-
Positioned CPU Core Power Supplies (IMVP-IV)
Typical Operating Characteristics
(Circuit of Figure 1, V+ = 12V, VCC = VDD = 5V, B0–B2 set to 1.276V, S0–S2 set to 0.748V.)
VOLTAGE-POSITIONED OUTPUT
vs. LOAD CURRENT (VOUT = 1.436V)
1.46
1.44
1.42
1.40
1.38
1.36
1.34
1.32
1.30
1.28
0
10
20
30
40
50
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 0.844V)
100
90
VIN = 5V
80
VIN = 8V
70
60
VIN = 12V
VIN = 20V
50
0.1
1
10
100
LOAD CURRENT (A)
OUTPUT VOLTAGE SHIFT
vs. TEMPERATURE
3
2
1
0
NO LOAD
-1
-2
-3
-40 -20
20A LOAD
0 20 40 60 80 100
TEMPERATURE (°C)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 1.436V)
100
90
VIN = 5V
80
VIN = 8V
70
60
VIN = 12V
VIN = 20V
50
0.1
1
10
100
LOAD CURRENT (A)
VOLTAGE-POSITIONED OUTPUT
vs. LOAD CURRENT (VOUT = 0.748V)
0.77
0.76
0.75
0.74
0.73
0.72
0.71
0.70
0.69
0.68 SUS = VCC
0.67
0
5
10
15
20
25
LOAD CURRENT (A)
FREQUENCY vs. LOAD CURRENT
400
350
FORCED PWM
300
250
200
150
SKIP OPERATION
100
50
0
0
SINGLE PHASE
5 10 15 20 25 30
LOAD CURRENT (A)
VOLTAGE-POSITIONED OUTPUT
vs. LOAD CURRENT (VOUT = 0.844V)
0.86
0.84
0.82
0.80
0.78
0.76
0.74
0
5 10 15 20 25 30
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(VOUT = 0.748V)
100
90 .
VIN = 5V
VIN = 8V
80
70
60
50
0.1
VIN = 12V
VIN = 20V
SUS = VCC
1
10
100
LOAD CURRENT (A)
FREQUENCY vs. INPUT VOLTAGE
350
SINGLE PHASE
330
IOUT = 20A
310
290
270
NO LOAD
250
230
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
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